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ASHRAE HVACSystemsEquipment Handbook IP 2020

$130.00

ASHRAE Handbook – HVAC Systems and Equipment (I-P)

Published By Publication Date Number of Pages
ASHRAE 2020 1025
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The 2020 ASHRAE Handbook—HVAC Systems and Equipment discussesvarious systems and the equipment (components or assemblies) that comprisethem, and describes features and differences. This information helps systemdesigners and operators in selecting and using equipment. Major sections discussair-conditioning and heating systems; equipment and components for air handling,heating, cooling, and general application; packaged, unitary, and split-system equipment;and general systems.

PDF Catalog

PDF Pages PDF Title
1 I-P_S20 FrontCover_download
3 Dedicated To The Advancement Of
The Profession And Its Allied Industries
DISCLAIMER
10 I-P_S20_Ch01
1. Selecting a System
Additional Goals
11 Equipment and System Constraints
12 Constructability Constraints
Narrowing the Choices
13 Selection Report
2. HVAC Systems and Equipment
Decentralized System Characteristics
14 Centralized System Characteristics
Air Distribution Systems
15 Primary Equipment
Refrigeration Equipment
Heating Equipment
Air Delivery Equipment
3. Space Requirements
16 Equipment Rooms
Fan Rooms
Horizontal Distribution
17 Vertical Shafts
Rooftop Equipment
Equipment Access
4. Air Distribution
Air Terminal Units
18 Duct Insulation
Ceiling and Floor Plenums
5. Pipe Distribution
Pipe Systems
Pipe Insulation
6. Security and environmental health and safety
7. Automatic Controls and Building Management Systems
19 8. Maintenance Management
9. Building System Commissioning
References
Bibliography
20 I-P_S20_Ch02
1. System Characteristics
Advantages
21 Disadvantages
2. Design Considerations
Air-Side Economizer
Advantages
22 Disadvantages
Water-Side Economizer
Advantages
Disadvantages
3. Window-Mounted and Through-the- Wall Room HVAC Units
Advantages
Disadvantages
23 Design Considerations
4. Water-Source Heat Pump Systems
24 Advantages
Disadvantages
Design Considerations
5. Multiple-Unit Systems
Advantages
25 Disadvantages
Design Considerations
26 6. Residential and Light Commercial Split Systems
Advantages
Disadvantages
Design Considerations
7. Commercial Self-Contained (Floor- by-Floor) Systems
Advantages
27 Disadvantages
Design Considerations
28 8. Commercial Outdoor Packaged Systems
Advantages
Disadvantages
Design Considerations
29 9. Single-Zone VAV Systems
Advantages
Disadvantages
30 Design Considerations
10. Automatic Controls and Building Management Systems
11. Maintenance Management
12. Building System Commissioning
31 Bibliography
32 I-P_S20_Ch03
1. System Characteristics
33 Advantages
Disadvantages
2. Design Considerations
Cooling and Heating Loads
34 Security
System Flow Design
36 Energy Recovery and Thermal Storage
3. Equipment
Primary Refrigeration Equipment
Ancillary Refrigeration Equipment
37 Primary Heating Equipment
38 Ancillary Heating Equipment
4. Distribution Systems
39 5. Sound, Vibration, Seismic, and Wind Considerations
Sound and Vibration
Seismic and Wind Issues
6. Space Considerations
40 Location of Central Plant and Equipment
Central Plant Security
7. Automatic Controls and Building Management Systems
41 Instrumentation
8. Maintenance Management Systems
42 9. Building System Commissioning
10. System Replacements and Expansions
References
Bibliography
44 I-P_S20_Ch04
Advantages of All-Air Systems
Disadvantages of All-Air Systems
45 Heating and Cooling Calculations
Zoning
Space Heating
Air Temperature Versus Air Quantity
46 Space Pressure
Other Considerations
First, Operating, and Maintenance Costs
47 Energy in Air Handling
1. AIR-HANDLING UNITS
Primary Equipment
Air-Handling Equipment
48 Central Mechanical Equipment Rooms (MERs)
Decentralized MERs
Fans
1.1 Air-Handling Unit Psychrometric Processes
Cooling
49 Heating
Humidification
Dehumidification
50 Air Mixing or Blending
1.2 Air-Handling Unit Components
Return Air Fan
Relief Air Fan
Automatic Dampers
Relief Openings
Return Air Dampers
Outdoor Air Intakes
51 Economizers
Mixing Plenums
Static Air Mixers
Filter Section
52 Preheat Coil
Cooling Coil
Reheat Coil
Humidifiers
53 Dehumidifiers
Energy Recovery Devices
Sound Control Devices
Supply Air Fan
54 Miscellaneous Components
1.3 Air Distribution
Ductwork Design
55 2. AIR-HANDLING SYSTEMS
2.1 Single-Duct Systems
Constant Volume
Variable Air Volume (VAV)
56 2.2 Dual-Duct Systems
Constant Volume
Variable Air Volume
57 2.3 Multizone Systems
58 2.4 Special Systems
Primary/Secondary
Dedicated Outdoor Air
Underfloor Air Distribution
59 Wetted Duct/Supersaturated
Compressed-Air and Water Spray
60 Low-Temperature
Smoke Control
2.5 Air Terminal Units
Constant-Volume Reheat
Variable Air Volume
61 Terminal Humidifiers
Terminal Filters
2.6 Air Distribution System Controls
62 2.7 Automatic Controls and Building Management Systems
2.8 Maintenance Management System
63 2.9 Building System Commissioning
References
Bibliography
64 I-P_S20_Ch05
1. System Characteristics
Advantages
65 Disadvantages
Heating and Cooling Calculations
Space Heating
66 Central (Primary-Air) Ventilation Systems
Central Plant Sizing
Building Pressurization
First, Operating, and Maintenance Costs
Energy
67 Life-Cycle Costs
2. System Components and Configurations
Components
68 Configurations
3. Secondary-Water Distribution
4. Piping Arrangements
Four-Pipe Distribution
Two-Pipe Distribution
69 Three-Pipe Distribution
Condenser Water Systems with Heat Pump Terminal Units
5. Fan-Coil Unit and Unit Ventilator Systems
Types and Location
70 Ventilation Air Requirements
Selection
Wiring
Condensate
Capacity Control
Maintenance
71 6. Variable-Refrigerant-Flow (VRF) Units
7. Chilled-Beam Systems
Types and Location
Ventilation Air Requirements
Selection
72 Wiring
Condensate
Capacity Control
Maintenance
Other Concerns
8. Radiant-Panel Heating Systems
Types and Location
Ventilation Air Requirements
Selection
Wiring
Capacity Control
Maintenance
9. Radiant-Floor Heating Systems
73 Types and Location
Ventilation Air Requirements
Selection
Wiring
Capacity Control
Maintenance
10. Induction Unit Systems
11. Supplemental Heating Units
74 12. Primary-Air Systems
13. Performance Under Varying Load
75 14. Changeover Temperature
15. Two-Pipe Systems with Central Ventilation
76 Critical Design Elements
77 Changeover Temperature Considerations
Nonchangeover Design
Zoning
78 Room Control
Evaluation
Electric Heat for Two-Pipe Systems
16. Four-Pipe Systems
Zoning
Room Control
79 Evaluation
17. Automatic Controls and Building Management Systems
18. Maintenance Management Systems and Building System Commissioning
References
Bibliography
80 I-P_S20_Ch06
1. PRINCIPLES OF RADIANT SYSTEMS
81 1.1 Heat Transfer
Heat Transfer by Thermal Radiation
82 Heat Transfer by Natural Convection
83 Combined Heat Flux (Thermal Radiation and Natural Convection)
84 1.2 Factors Affecting Heat Transfer
Panel Thermal Resistance
85 Effect of Floor Coverings
Panel Heat Losses or Gains
86 Panel Performance
1.3 Panel Design
88 Special Cases
Examples
89 2. General Design Considerations
90 2.1 Hybrid Systems
3. RADIANT HEATING AND COOLING SYSTEMS
3.1 Hydronic Ceiling Panels
91 3.2 Embedded Systems with Tubing in Ceilings, Walls, or Floors
92 Hydronic Wall Panels
Hydronic Floor Panels
93 3.3 Electrically Heated Radiant Systems
Electric Ceiling Panels
95 Electric Wall Heating
Electric Floor Heating
96 4. DESIGN PROCEDURE
Sensible Cooling
Sensible Heating
Other Steps Common for Sensible Heating and Cooling
98 4.1 Controls
99 Sensible Cooling Controls
Heating Slab Controls
References
100 Bibliography
101 Blank Page
102 I-P_S20_Ch07
103 1. Terminology
104 2. CHP System Concepts
2.1 Custom-Engineered Systems
2.2 Packaged and Modular Systems
105 2.3 Load Profiling and Prime Mover Selection
2.4 Peak Load Shaving
2.5 Continuous-Duty Standby
106 2.6 Power Plant Incremental Heat Rate
3. Performance Parameters
3.1 Heating Value
3.2 CHP Electric Effectiveness
107 Power and Heating Systems
109 3.3 Fuel Energy Savings
110 4. Fuel-to-Power Components
4.1 Reciprocating Engines
Types
111 Performance Characteristics
112 Fuels and Fuel Systems
113 Combustion Air
114 Lubricating Systems
Starting Systems
Cooling Systems
115 Exhaust Systems
116 Emissions
Instruments and Controls
117 Noise and Vibration
118 Installation Ventilation Requirements
Operation and Maintenance
119 4.2 Combustion Turbines
Types
Advantages
Disadvantages
120 Gas Turbine Cycle
Components
4.3 Performance Characteristics
121 Fuels and Fuel Systems
122 Combustion Air
Lubricating Systems
Starting Systems
Exhaust Systems
Emissions
Instruments and Controls
Noise and Vibration
Operation and Maintenance
123 4.4 Fuel Cells
Types
125 5. Thermal-to-Power Components
5.1 Steam Turbines
Types
126 Performance Characteristics
129 Fuel Systems
Lubricating Oil Systems
Power Systems
Exhaust Systems
Instruments and Controls
131 Operation and Maintenance
132 5.2 Organic Rankine Cycles
5.3 Expansion Engines/Turbines
5.4 Stirling Engines
Types
Performance Characteristics
133 Fuel Systems
Power Systems
Exhaust Systems
Coolant Systems
Operation and Maintenance
6. Thermal-to-Thermal Components
6.1 Thermal Output Characteristics
Reciprocating Engines
134 Combustion Turbines
6.2 Heat Recovery
Reciprocating Engines
138 Combustion Turbines
Steam Turbines
139 6.3 Thermally Activated Technologies
Heat-Activated Chillers
140 Desiccant Dehumidification
Hot Water and Steam Heat Recovery
Thermal Energy Storage Technologies
141 7. Electrical Generators and Components
7.1 Generators
142 8. System Design
8.1 CHP Electricity-Generating Systems
Thermal Loads
143 Prime Mover Selection
Air Systems
Hydronic Systems
144 Service Water Heating
District Heating and Cooling
Utility Interfacing
Power Quality
Output Energy Streams
145 8.2 CHP Shaft-Driven HVAC and Refrigeration Systems
Engine-Driven Systems
146 Combustion-Turbine-Driven Systems
147 Steam-Turbine-Driven Systems
148 9. Codes and Installation
9.1 General Installation Parameters
9.2 Utility Interconnection
149 9.3 Air Permits
9.4 Building, Zoning, and Fire Codes
Zoning
Building Code/Structural Design
Mechanical/Plumbing Code
Fire Code
Electrical Connection
10. Economic Evaluation
150 CHP Application Assessment
Types and Scope of CHP Studies
151 CHP System Modeling Techniques
152 CHP Feasibility Study for New Facilities
Tools and Software for Feasibility Study
10.1 Load Profiles and Load Duration Curves
Load Duration Curve Analysis
154 Two-Dimensional Load Duration Curve
Analysis by Simulations
155 References
156 Bibliography
158 I-P_S20_Ch08
170 I-P_S20_Ch09
1. TERMINOLOGY
2. APPLIED HEAT PUMP SYSTEMS
171 2.1 Heat Pump Cycles
2.2 Heat Sources and Sinks
Air
173 Water
Ground
Solar Energy
174 2.3 Types of Heat Pumps
2.4 Heat Pump Components
Compressors
176 Heat Transfer Components
177 Refrigeration Components
Controls
178 Supplemental Heating
2.5 Industrial Process Heat Pumps
Closed-Cycle Systems
181 Open-Cycle and Semi-Open-Cycle Heat Pump Systems
182 Heat Recovery Design Principles
183 3. APPLIED HEAT RECOVERY SYSTEMS
3.1 Waste Heat Recovery
General Considerations
184 Applications of Waste Heat Recovery
Alternative Heat Sources
Locating the Heat Recovery Heat Pump
185 Specific Considerations of Condenser-Side Recovery
Specific Considerations of Evaporator-Side Recovery
Special Considerations of Double-Bundle Heat Recovery
Selecting a Compressor Type
186 Pumping Considerations
HRHP Selection
188 Example
3.2 Water-Loop Heat Pump Systems
Description
189 Design Considerations
191 Controls
Advantages of a WLHP System
Limitations of a WLHP System
3.3 Balanced Heat Recovery Systems
Definition
Heat Redistribution
192 Heat Balance Concept
Heat Balance Studies
193 General Applications
194 Multiple Buildings
3.4 Heat Pumps in District Heating and Cooling Systems
195 References
Bibliography
196 I-P_S20_Ch10
1. Components
Heating and Cooling Units
197 Ducts
Accessory Equipment
Controls
2. Common System Problems
198 3. System Design
Estimating Heating and Cooling Loads
Locating Outlets, Returns, Ducts, and Equipment
199 Selecting Heating and Cooling Equipment
Determining Airflow Requirements
Finalize Duct Design and Size
Selecting Supply and Return Grilles and Registers
200 4. Detailed Duct Design
Detailing the Duct Configuration
202 Detailing the Distribution Design
Duct Design Recommendations
Zone Control for Small Systems
203 Duct Sizing for Zone Damper Systems
Box Plenum Systems Using Flexible Duct
Embedded Loop Ducts
204 5. Small Commercial Systems
Air Distribution in Small Commercial Buildings
Controlling Airflow in New Buildings
205 6. Testing for Duct Efficiency
Data Inputs
Data Output
Standards
References
206 Bibliography
209 Blank Page
210 I-P_S20_Ch11
1. Advantages
2. Fundamentals
211 3. Effects of Water , Air , and Gases
4. Heat Transfer
5. Basic Steam System Design
6. Steam Source
212 Boilers
Heat Recovery and Waste Heat Boilers
Heat Exchangers
7. Boiler Connections
Supply Piping
Return Piping
214 8. Design Steam Pressure
9. Piping
Supply Piping Design Considerations
215 Terminal Equipment Piping Design Considerations
Return Piping Design Considerations
216 10. Condensate Removal from Temperature-Regulated Equipment
11. Steam Traps
217 Thermostatic Traps
Mechanical Traps
218 Kinetic Traps
12. Pressure-Reducing Valves
Installation
219 Valve Size Selection
220 13. Terminal Equipment
Selection
Natural Convection Units
Forced-Convection Units
221 14. Convection Steam Heating
One-Pipe Steam Heating Systems
Two-Pipe Steam Heating Systems
222 15. Steam Distribution
16. Temperature Control
224 17. Heat Recovery
Flash Steam
225 Direct Heat Recovery
18. Combined Steam and Water Systems
19. Commissioning
References
Bibliography
226 I-P_S20_Ch12
Applicability
Components
227 Environmental Benefits
1. SYSTEM MASTER PLANNING
228 1.1 Economic Considerations
Consumer Economics
Producer Economics
230 District Energy Economic Comparison
231 2. CENTRAL PLANT
2.1 Heating and Cooling Production
Heating Medium
232 Steam and Hot Water Generation
233 Chilled-Water Generation
234 Thermal Storage
235 Auxiliaries
236 2.2 Chilled-Water Distribution Design Considerations
Constant Flow
Variable Flow
237 Chilled-Water System Design Guidelines
3. DISTRIBUTION SYSTEM
3.1 Hydraulic Considerations
Objectives of Hydraulic Design
238 Water Hammer
Pressure Losses
Pipe Sizing
Network Calculations
Condensate Drainage and Return in Steam Systems
239 3.2 Thermal Considerations
Thermal Design Conditions
Thermal Properties of Pipe Insulation and Soil
241 3.3 Methods of Heat Transfer Analysis
Calculation of Undisturbed Soil Temperatures
242 Convective Heat Transfer at Ground Surface
Uninsulated Buried Pipe
243 Insulated Buried Pipe
Buried Pipe in Conduit with Air Space
244 Buried Pipe with Composite Insulation
246 Two Pipes Buried in Common Conduit with Air Space
Two Buried Pipes or Conduits
247 Pipes in Buried Trenches or Tunnels
248 Pipes in Shallow Trenches
249 Buried Pipes with Other Geometries
Pipes in Air
Economical Thickness for Pipe Insulation
250 3.4 Expansion Provisions
Pipe Supports, Guides, and Anchors
251 3.5 Distribution System Construction
Piping Materials and Standards
253 Aboveground Systems
Underground Systems
256 Conduits
258 Cathodic Protection of Direct-Buried Conduits
259 Leak Detection
Geotechnical Considerations
260 Valve Vaults and Entry Pits
262 4. CONSUMER INTERCONNECTIONS
4.1 Direct Connections
264 4.2 Indirect Connections
4.3 Steam Connections
266 Building Conversion to District Heating
4.4 Components
Heat Exchangers
268 Flow Control Devices
269 Instrumentation
Controller
Pressure Control Devices
Flow and Energy Metering
270 4.5 Temperature Differential Control
271 4.6 Operation and Maintenance
References
273 Bibliography
274 I-P_S20_Ch13
Principles
1. TEMPERATURE CLASSIFICATIONS
275 2. CLOSED WATER SYSTEMS
2.1 Method of Design
276 2.2 Thermal Components
Loads
Load Devices
277 Source
Expansion Chamber
279 2.3 Hydraulic Components
Pump or Pumping System
282 Variable-Speed Pumping Application
283 Pump Connection
284 Distribution System
Expansion Chamber
285 2.4 Piping Circuits
286 2.5 Capacity Control of Load System
287 Sizing Control Valves
289 Alternatives to Control Valves
290 2.6 Low-Temperature Heating Systems
Nonresidential Heating Systems
291 2.7 Chilled-Water Systems
293 2.8 Dual-Temperature Systems
Two-Pipe Systems
Two-Pipe Dual-Temperature Chilled-Water Systems
Four-Pipe Common Load Systems
Four-Pipe Independent Load Systems
294 2.9 Other Design Considerations
Makeup and Fill Water Systems
Safety Relief Valves
295 Air Elimination
Drain and Shutoff
Balance Fittings
296 Pitch
Strainers
Thermometers
Flexible Connectors and Pipe Expansion Compensation
Gage Cocks
Insulation
Condensate Drains
Common Pipe
2.10 Other Design Procedures
Preliminary Equipment Layout
297 Final Pipe Sizing and Pressure Drop Determination
Freeze Prevention
2.11 Antifreeze Solutions
Effect on Heat Transfer and Flow
Effect on Heat Source or Chiller
298 Effect on Terminal Units
Effect on Pump Performance
Effect on Piping Pressure Loss
Installation and Maintenance
299 References
Bibliography
300 I-P_S20_Ch14
1. Once-Through City Water Systems
2. Open Cooling Tower Systems
301 Air and Vapor Precautions
Pump Selection and Pressure Calculations
302 Water Treatment
Freeze Protection and Winter Operation
303 3. Low-Temperature (Water Economizer) Systems
4. Closed-Circuit Evaporative Coolers
5. Other Sources of Water
6. Overpressure Caused by Thermal Fluid Expansion
Bibliography
304 I-P_S20_Ch15
1. System Characteristics
305 2. Basic System
3. Design Considerations
Direct-Fired High-Temperature Water Generators
306 Expansion and Pressurization
308 Direct-Contact Heaters (Cascades)
System Circulating Pumps
309 4. Distribution Piping Design
5. Heat Exchangers
6. Air-Heating Coils
7. Space-Heating Equipment
310 8. Instrumentation and Controls
9. Water Treatment
311 10. Heat Storage
11. Safety Considerations
References
Bibliography
312 I-P_S20_Ch16
1. Energy Conservation
2. Infrared Energy Sources
Gas Infrared
313 Electric Infrared
314 Oil Infrared
315 3. System Efficiency
4. Reflectors
5. Controls
6. Precautions
316 7. Maintenance
8. Design Considerations for Beam Radiant Heaters
319 References
Bibliography
320 I-P_S20_Ch17
1. Terminology
321 2. UVGI Fundamentals
Microbial Dose Response
Susceptibility of Microorganisms to UV Energy
322 3. Lamps and power supplies
Types of UV-C Lamps
323 UV-C Lamp Drivers or Ballasts
324 Germicidal Lamp Cooling and Heating Effects
UV-C Lamp Aging
UV-C Lamp Irradiance
325 UV-C Photodegradation of Materials
326 4. Maintenance
Lamp Replacement
Lamp Disposal
Visual Inspection
5. Safety
Hazards of Ultraviolet Radiation to Humans
Sources of UV Exposure
327 Exposure Limits
UV Radiation Measurements for Upper Air Applications
Safety Design Guidance
328 Personnel Safety Training
Lamp Breakage
6. Unit Conversions
References
329 Bibliography
330 I-P_S20_Ch18
System Types
331 VRF Applications
Zoned Comfort
Indoor Air Quality
Annual Operating Efficiency Characteristics
Local and Remote Monitoring
332 Life-Cycle Cost Comparison
1. Standards
333 2. Equipment
Air-Source Outdoor and Water-Source Units
Indoor Unit Types
System Controls
334 System Expansion or Reconfiguration
3. VRF System Operation
335 Load Management
Cooling Operation
Heating Operation
Saturation Temperature Reset
Heat Recovery Operation
336 Defrost Operation
337 Oil Recovery Management
Humidity Control
High-Heating-Performance Air-Source VRF Units
4. Modeling Considerations
338 5. Design Considerations
Water-Source VRF Systems
Air-Source VRF Systems
Low External Ambient Heating-Dominant Applications
Integration with Supplemental Heating Sources
Outdoor Air Economizer
339 Generating Radiant Heating/Cooling and Domestic Hot Water
6. VRF System Design Example
Performing a Load-Profile Analysis
System Type Selection, Zoning, and Potential for Heat Recovery
Accurately Sizing Air-Source Outdoor and Indoor Units
340 Selecting Indoor Units
341 Ventilation Air Strategy
Refrigerant Piping
342 Refrigerant Piping Guidelines
Controls
Safety Considerations for Refrigerants
343 Fault Tree Analysis
Optimizing VRF Systems to Minimize Environmental Impact
344 7. Commissioning
References
Bibliography
345 Blank Page
346 I-P_S20_Ch19
1. Building Code Requirements
2. Pressure Classifications
347 3. Duct Cleaning
4. HVAC System Leakage
System Sealing
Sealants
348 Leakage Testing
350 Responsibilities
5. Air-Handling Unit Leakage
6. Residential and Commercial Duct Construction
Terminology
351 Buildings and Spaces
352 Round, Flat Oval, and Rectangular Ducts
353 Fibrous Glass Ducts
Phenolic Ducts
Flexible Ducts
354 Hangers and Supports
Installation
Plenums and Apparatus Casings
Acoustical Treatment
355 7. Industrial Duct Construction
Materials
Round Ducts
Rectangular Ducts
Construction Details
Hangers
8. Antimicrobial-Treated Ducts
9. Duct Construction for Grease- and Moisture-Laden Vapors
Factory-Built Grease Duct Systems
356 Site-Built Grease Duct Systems
Duct Systems for Moisture-Laden Air
10. Rigid Plastic Ducts
11. Air Dispersion Systems
Dispersion Types
357 12. Underground Ducts
13. Ducts Outside Buildings
14. Seismic Qualification
15. Sheet Metal Welding
358 16. Thermal Insulation
17. Specifications
References
359 Bibliography
361 Blank Page
362 I-P_S20_Ch20
1. Systems Overview
All-Air Systems
Decoupled Cooling Systems
Sensible-Only Decoupled Cooling Systems
2. System Classifications
363 2.1 Fully Mixed Systems
Factors That Influence Selection
364 Outlet Selection Procedure
2.2 Fully Stratified Systems
Factors that Influence Selection
365 Outlet Selection Procedure
2.3 Partially Mixed Systems
Factors That Influence Selection
Outlet Selection Procedures
3. EQUIPMENT
3.1 Supply air outlets
366 3.2 Return and Exhaust Air Inlets
367 3.3 Grilles
Types
Application-Specific Grilles
3.4 Nozzles and Drum Louvers
3.5 Diffusers
Types
368 Accessories
369 3.6 Terminal Units
370 Single-Duct Terminal Units
Dual-Duct Terminal Units
Air-to-Air Induction Terminal Units
Fan-Powered Terminal Units
372 3.7 Fan-Coil Units
373 3.8 Chilled Beams
374 Beam Types and Configurations
3.9 Air Curtain Units
377 References
Bibliography
378 I-P_S20_Ch21
1. Types of Fans
2. Principles of Operation
383 3. Testing and Rating
4. Field Testing of Fans for Air Performance
5. Fan Laws
384 6. Fan and System Pressure Relationships
385 7. AIR Temperature Rise Across Fans
8. Duct System Characteristics
386 9. System Effects
387 10. Selection
388 11. Parallel Fan Operation
389 12. Series Fan Operation
13. Noise
14. Vibration
390 Vibration Isolation
15. Arrangement and Installation
16. Fan Control
391 17. Fan Inlet Cone Instrumented for Airflow Measurement
18. Symbols
392 References
393 Bibliography
394 I-P_S20_Ch22
1. Environmental Conditions
Health and Comfort
395 Prevention and Treatment of Disease
396 Electronic Equipment
Process Control and Materials Storage
397 Static Electricity
Sound Wave Transmission
Miscellaneous
2. Enclosure Characteristics
Vapor Retarders
Visible Condensation
398 Concealed Condensation
3. Energy and water Considerations
Load Calculations
Design Conditions
399 Ventilation Rate
Additional Moisture Losses
Internal Moisture Gains
Supply Water for Humidifiers
Scaling
400 Potential Bacterial Growth
4. Equipment
Residential Humidifiers for Central Air Systems
402 Residential Humidifiers for Nonducted Applications
Industrial and Commercial Humidifiers for Central Air Systems
405 Selecting Humidifiers
5. Controls
408 Mechanical Controls
409 Electronic Controls
Control Location
Management Systems
6. Application Considerations
Humidity Control with Direct Space Humidification
410 Humidity Control with Duct-Mounted Humidification
Humidity Control in Variable-Air-Volume Systems
Commissioning Systems
References
411 Bibliography
412 I-P_S20_Ch23
1. Uses for Coils
2. Coil Construction and Arrangement
413 Water and Aqueous Glycol Coils
Direct-Expansion Coils
414 Control of Coils
Flow Arrangement
415 Applications
416 3. Coil Selection
417 Performance and Ratings
4. Airflow Resistance
5. Heat Transfer
418 6. Performance of Sensible Cooling Coils
420 7. Performance of Dehumidifying Coils
425 8. Determining Refrigeration Load
426 9. Maintenance
427 10. Symbols
References
428 Bibliography
429 Blank Page
430 I-P_S20_Ch24
1. Methods of Dehumidification
431 2. Desiccant Dehumidification
432 2.1 Liquid Desiccant Equipment
433 2.2 Solid-Sorption Equipment
434 2.3 Rotary Solid-Desiccant Dehumidifiers
436 2.4 Equipment Ratings
437 2.5 Equipment Operating Recommendations
439 2.6 Applications for Atmospheric- Pressure Dehumidification
441 3. Desiccant Drying at Elevated Pressure
3.1 Equipment Types
442 3.2 Applications
References
Bibliography
443 Additional Information
444 I-P_S20_Ch25
1. Mechanical Dehumidifiers
Psychrometrics of Dehumidification
445 Residential Dehumidifiers
447 General-Purpose Dehumidifiers
DX Dedicated Outdoor Air System (DOAS) Units
448 Indoor Swimming Pool Dehumidifiers
450 Ice Rink Dehumidifiers
451 Industrial Dehumidifiers
Dehumidifiers for Controlled Environment Agriculture
Tunnel Dryer Dehumidifier
452 2. Controls and Sensors
3. Installation and Service Considerations
453 4. Wraparound Heat Exchangers
454 References
Bibliography
455 Blank Page
456 I-P_S20_Ch26
1. Applications
457 2. Basic heat or heat and water vapor transfer relations
Effectiveness
458 Rate of Energy Transfer
459 Fan Power
460 3. Types of Air-to-Air Heat Exchangers
Ideal Air-to-Air Energy Exchange
Fixed-Plate Heat Exchangers
461 Rotary Air-to-Air Energy Exchangers
463 Coil Energy Recovery (Runaround) Loops
464 Heat Pipe Heat Exchangers
466 Thermosiphon Heat Exchangers
468 Liquid-Desiccant Cooling Systems
469 Twin-Tower Enthalpy Recovery Loops
470 Fixed-Bed Regenerators
472 4. Performance Ratings
Performance Ratings for Air-to-Air Heat or Heat and Mass Exchangers
Performance Ratings for Residential Ventilators with Air-to-Air Heat or Heat and Mass Exchangers
473 5. Additional technical considerations
Air Leakage
Air Capacity of Ventilator Fans
474 Pressure Drop
Maintenance
Filtration
Controls
Fouling
Corrosion
Condensation and Freeze-Up
475 Frost Control Strategies for Air-to-Air Energy Recovery Systems
476 Indirect Evaporative Air Cooling
477 Use of Economizer
478 6. Comparison of Air-to-Air Heat or Heat and Mass exchanger characteristics
7. Use of Air-to-Air Heat or Heat and Mass Exchangers in Systems
Characterizing System Efficiency of Heat or Energy Recovery Ventilators
480 Selection of Heat or Energy Recovery Ventilators
Systems with Multiple Energy Recovery Exchangers
Using Air-to-Air Heat Exchangers to Modify the Latent Capacity Ratio of Cooling Coils
483 Dessicant and Heat Wheel Systems
485 8. Economic Considerations
487 9. Energy and/or Mass Recovery Calculation Procedure
491 10. Symbols
References
492 Bibliography
494 I-P_S20_Ch27
1. Coil Construction and Design
Steam Coils
495 Water/Aqueous Glycol Heating Coils
496 Volatile Refrigerant Heat Reclaim Coils
Electric Heating Coils
2. Coil Selection
Coil Ratings
497 Overall Requirements
3. Installation Guidelines
498 4. Coil Maintenance
References
500 I-P_S20_Ch28
1. Unit Ventilators
Application
Selection
502 Control
503 2. Unit Heaters
Application
Selection
505 Control
506 Piping Connections
507 Maintenance
3. Makeup Air Units
Description and Applications
Selection
508 Control
Applicable Codes and Standards
509 Commissioning
Maintenance
References
Bibliography
510 I-P_S20_Ch29
1. terminology
Definitions
Acronyms
2. Atmospheric Aerosols
511 3. Aerosol Characteristics
4. Air-Cleaning Applications
5. Mechanisms of Particle Collection
512 6. Evaluating Air Cleaners
513 7. Air Cleaner Test Methods
Arrestance Test
Dust-Holding Capacity (DHC) Test
Particle Size Removal Efficiency (PSE) Test
DOP Penetration Test
514 Leakage (Scan) Tests
ISO Standard 29462
Other Performance Tests
Environmental Tests
515 AHRI Standards
8. Types of Air Cleaners
9. Filter Types and Performance
Panel Filters
517 Electronic Air Cleaners
518 10. Selection and Maintenance
519 Residential Air Cleaners
520 VAV Systems
Antimicrobial Treatment of Filter Media
11. Air Cleaner Installation
521 12. Safety Considerations
References
522 Bibliography
524 I-P_S20_Ch30
Equipment Selection
1. Regulations and Monitoring
Gas-Cleaning Regulations
525 Measuring Gas Streams and Contaminants
Gas Flow Distribution
Monitors and Controls
2. Particulate Contaminant Control
526 Collector Performance
2.1 Mechanical Collectors
Settling Chambers
527 Inertial Collectors
528 2.2 Electrostatic Precipitators
531 Single-Stage Designs
532 Two-Stage Designs
533 2.3 Fabric Filters
Principle of Operation
534 Pressure-Volume Relationships
Electrostatic Augmentation
Fabrics
535 Types of Self-Cleaning Mechanisms for Fabric Dust Collectors
537 2.4 Granular-Bed Filters
Principle of Operation
538 2.5 Particulate Scrubbers (Wet Collectors)
Principle of Operation
Spray Towers and Impingement Scrubbers
Centrifugal-Type Collectors
Orifice-Type Collectors
Venturi Scrubber
539 Electrostatically Augmented Scrubbers
540 3. Gaseous Contaminant Control
3.1 Spray Dry Scrubbing
Principle of Operation
Equipment
541 3.2 Wet-Packed Scrubbers
Scrubber Packings
542 Arrangements of Packed Scrubbers
543 Pressure Drop
Absorption Efficiency
546 General Efficiency Comparisons
Liquid Effects
3.3 Adsorption of Gaseous Contaminants
547 Equipment for Adsorption
Solvent Recovery
549 Odor Control
Applications of Fluidized Bed Adsorbers
3.4 Incineration of Gases and Vapors
Thermal Oxidizers
550 Catalytic Oxidizers
Applications of Oxidizers
Adsorption and Oxidation
551 4. Auxiliary Equipment
4.1 Ducts
Temperature Controls
Fans
4.2 Dust- and Slurry-Handling Equipment
Hoppers
552 Dust Conveyors
Dust Disposal
Slurry Treatment
5. Operation and Maintenance
Corrosion
Fires and Explosions
References
553 Bibliography
554 I-P_S20_Ch31
1. GENERAL CONSIDERATIONS
1.1 Terminology
1.2 System Application
555 1.3 Safety
1.4 Efficiency and Emission Ratings
Steady-State and Cyclic Efficiency
Emissions
556 2. GAS-BURNING APPLIANCES
2.1 Gas-Fired Combustion Systems
Burners
Combustion System Flow
557 Ignition
Input Rate Control
558 2.2 Residential Appliances
Boilers
Forced-Air Furnaces
Water Heaters
559 Combination Space- and Water-Heating Appliances
Pool Heaters
Conversion Burners
2.3 Commercial-Industrial Appliances
Boilers
Space Heaters
560 Water Heaters
Pool Heaters
2.4 Applications
Location
Gas Supply and Piping
Air for Combustion and Ventilation
561 Draft Control
Venting
Building Depressurization
562 Gas Input Rate
Effect of Gas Temperature and Barometric Pressure Changes on Gas Input Rate
Fuel Gas Interchangeability
563 Altitude
564 3. OIL-BURNING APPLIANCES
3.1 Residential Oil Burners
565 3.2 Commercial/Industrial Oil Burners
Pressure-Atomizing Oil Burners
566 Return-Flow Pressure-Atomizing Oil Burners
Air-Atomizing Oil Burners
Horizontal Rotary Cup Oil Burners
567 Steam-Atomizing Oil Burners (Register Type)
Mechanical Atomizing Oil Burners (Register Type)
Return-Flow Mechanical Atomizing Oil Burners
3.3 Dual-Fuel Gas/Oil Burners
3.4 Equipment Selection
568 Fuel Oil Storage Systems
Fuel-Handling Systems
569 Fuel Oil Preparation System
570 4. SOLID-FUEL-BURNING APPLIANCES
4.1 Capacity Classification of Stokers
4.2 Stoker Types by Fuel-Feed Methods
Spreader Stokers
571 Underfeed Stokers
572 Chain and Traveling Grate Stokers
Vibrating Grate Stokers
5. CONTROLS
573 5.1 Safety Controls and Interlocks
Ignition and Flame Monitoring
Draft Proving
Limit Controls
Other Safety Controls
574 Prescriptive Requirements for Safety Controls
Reliability of Safety Controls
5.2 Operating Controls
575 Integrated and Programmed Controls
576 References
Bibliography
577 Blank Page
578 I-P_S20_Ch32
1. Classifications
Working Pressure and Temperature
Fuel Used
Construction Materials
580 Type of Draft
Condensing or Noncondensing
581 Wall-Hung Boilers
Integrated (Combination) Boilers
582 Electric Boilers
2. Selection Parameters
583 3. Efficiency: Input and Output Ratings
4. Performance Codes and Standards
5. Sizing
584 6. Burner Types
7. Boiler Controls
Operating Controls
Water Level Controls
585 8. Flame Safeguard Controls
References
Bibliography
586 I-P_S20_Ch33
1. Components
Casing or Cabinet
Heat Exchangers
587 Heat Sources
Combustion Venting Components
Circulating Blowers and Motors
Filters and Other Accessories
Airflow Variations
588 Combustion System Variations
589 Indoor/Outdoor Furnace Variations
2. Heat Source Types
Natural Gas and Propane Furnaces
Oil Furnaces
Electric Furnaces
590 3. Commercial Equipment
Ducted Equipment
Unducted Heaters
4. Controls and Operating Characteristics
External to Furnace
Internal to Furnace
591 5. Equipment Selection
Distribution System
Equipment Location
Forced-Air System Primary Use
Fuel Selection
Combustion Air and Venting
592 Equipment Sizing
Types of Furnaces
Consumer Considerations
593 Selecting Furnaces for Commercial Buildings
6. Calculations
7. Technical Data
Natural Gas Furnaces
594 Propane Furnaces
Oil Furnaces
Electric Furnaces
Commercial Furnaces
8. Installation
595 9. Agency Listings
References
Bibliography
596 I-P_S20_Ch34
1. GAS IN-SPACE HEATERS
Room Heaters
Wall Furnaces
597 Floor Furnaces
U.S. Minimum Efficiency Requirements
1.1 Controls
Valves
Thermostats
598 1.2 Vent Connectors
1.3 Sizing Units
2. OIL AND KEROSENE IN-SPACE HEATERS
Vaporizing Oil Pot Heaters
Powered Atomizing Heaters
Portable Kerosene Heaters
3. ELECTRIC IN-SPACE HEATERS
Wall, Floor, Toe Space, and Ceiling Heaters
Baseboard Heaters
599 3.1 Radiant Heating Systems
Heating Panels and Heating Panel Sets
Embedded Cable and Storage Heating Systems
Cord-Connected Portable Heaters
Controls
4. SOLID-FUEL IN-SPACE HEATERS
600 4.1 Fireplaces
Simple Fireplaces
Factory-Built Fireplaces
Freestanding Fireplaces
4.2 Stoves
Conventional Wood Stoves
Advanced-Design Wood Stoves
Fireplace Inserts
601 Pellet-Burning Stoves
5. GENERAL INSTALLATION PRACTICES
Safety with Solid Fuels
Utility-Furnished Energy
602 Products of Combustion
Agency Testing
References
Bibliography
603 Blank Page
604 I-P_S20_Ch35
1. Terminology
2. Draft Operating Principles
605 3. Chimney Functions
Start-Up
Air Intakes
Vent Size
Draft Control
Pollution Control
606 Equipment Location
Wind Effects
Safety Factors
4. Steady-State Chimney Design Equations
607 Mass Flow of Combustion Products in Chimneys and Vents
Mean Chimney Gas Temperature and Density
610 Theoretical Draft
611 System Pressure Loss Caused by Flow
Available Draft
Chimney Gas Velocity
612 System Resistance Coefficient
613 Configuration and Manifolding Effects
614 Input, Diameter, and Temperature Relationships
Volumetric Flow in Chimney or System
Graphical Solution of Chimney or Vent System
615 5. Steady-State Chimney Design Graphical Solutions
617 6. Vent and Chimney Capacity Calculation Examples
623 7. Gas Appliance Venting
Vent Connectors
Masonry Chimneys for Gas Appliances
Type B and Type L Factory-Built Venting Systems
624 Gas Appliances Without Draft Hoods
Conversion to Gas
8. Oil-Fired Appliance Venting
Condensation and Corrosion
625 Connector and Chimney Corrosion
Vent Connectors
Masonry Chimneys for Oil-Fired Appliances
Replacement of Appliances
626 9. Fireplace Chimneys
631 10. Air Supply to Fuel-Burning Appliances
11. Vent and Chimney Materials
633 12. Vent and Chimney Accessories
Draft Hoods
Draft Regulators
Vent Dampers
634 Heat Exchangers or Flue Gas Heat Extractors
13. Draft Fans
635 14. Terminations: Caps and Wind Effects
637 15. Codes and Standards
16. Conversion Factors
638 17. Symbols
References
639 Bibliography
640 I-P_S20_Ch36
1. Description
Radiators
Pipe Coils
Convectors
641 Baseboard Units
Finned-Tube Units
Heat Emission
2. Ratings of Heat-Distributing Units
Radiators
642 Convectors
Baseboard Units
Finned-Tube Units
Other Heat-Distributing Units
Corrections for Nonstandard Conditions
3. Design
Effect of Water Velocity
644 Effect of Altitude
Effect of Mass
Performance at Low Water Temperatures
Effect of Enclosure and Paint
4. Applications
Radiators
Convectors
Baseboard Radiation
Finned-Tube Radiation
645 Radiant Panels
References
Bibliography
646 I-P_S20_Ch37
647 1. SOLAR HEATING SYSTEMS
1.1 Air-Heating Systems
1.2 Liquid-Heating Systems
648 Direct and Indirect Systems
Freeze Protection
1.3 Solar Thermal Energy Collectors
Collector Types
649 Collector Construction
651 1.4 Row Design
Piping Configuration
652 Velocity Limitations
Thermal Expansion
1.5 Array Design
Piping Configuration
654 Shading
1.6 Thermal Collector Performance
655 Testing Methods
Collector Test Results and Initial Screening Methods
656 Generic Test Results
1.7 Thermal Energy Storage
Air System Thermal Storage
Liquid System Thermal Storage
658 Storage Tank Construction
659 Storage Tank Insulation
Stratification and Short Circuiting
660 Storage Sizing
661 1.8 Heat Exchangers
Requirements
Internal Heat Exchanger
External Heat Exchanger
662 Heat Exchanger Performance
1.9 Controls
Differential Temperature Controllers
663 Photovoltaically Powered Pumps
Overtemperature Protection
664 Hot-Water Dump
Heat Exchanger Freeze Protection
2. PHOTOVOLTAIC SYSTEMS
665 Fundamentals of Photovoltaics
667 Related Equipment
668 References
669 Bibliography
671 Blank Page
672 I-P_S20_Ch38
1. POSITIVE-DISPLACEMENT COMPRESSORS
673 1.1 Performance
Ideal Compressor
674 Actual Compressor
Compressor Efficiency, Subcooling, and Superheating
675 1.2 Abnormal Operating Conditions, Hazards, and Protective Devices
Liquid Hazard
Suction and Discharge Pulsations
676 Noise
Vibration
Shock
Testing and Operating Requirements
677 1.3 Motors
678 2. RECIPROCATING COMPRESSORS
679 Performance Data
680 Motor Performance
681 Features
682 Special Devices
683 Application
3. ROTARY COMPRESSORS
3.1 Rolling-Piston Compressors
684 Performance
Features
685 3.2 Rotary-Vane Compressors
686 3.3 Screw Compressors
Single-Screw Compressors
690 Twin-Screw Compressors
696 3.4 Scroll Compressors
Mechanical Features
698 Capacity Control
699 Energy Efficiency
700 Noise and Vibration
Operation and Maintenance
3.5 Trochoidal Compressors
Description and Performance
701 4. CENTRIFUGAL COMPRESSORS
702 Refrigeration Cycle
703 Angular Momentum
Nondimensional Coefficients
704 Mach Number
Performance
Impellers
705 Surging
System Balance and Capacity Control
707 4.1 Application
Vibration
Noise
Drivers
708 Paralleling
Other Specialized Applications
4.2 Mechanical Design
Casings
709 Rotor Dynamics
Lubrication
Bearings
710 Oil-Free Centrifugal Compressors
Accessories and Controls
711 4.3 Isentropic Analysis
4.4 Polytropic Analysis
712 Testing
713 4.5 Operation and Maintenance
4.6 Symbols
714 References
715 Bibliography
716 I-P_S20_Ch39
1. WATER-COOLED CONDENSERS
1.1 Heat Removal
717 1.2 Heat Transfer
Overall Heat Transfer Coefficient
Water-Side Film Coefficient
718 Refrigerant-Side Film Coefficient
719 Tube-Wall Resistance
Surface Efficiency
Fouling Factor
720 1.3 Water Pressure Drop
1.4 Liquid Subcooling
1.5 Water Circuiting
1.6 Types
721 Shell-and-Tube Condensers
Shell-and-Coil Condensers
Tube-in-Tube Condensers
722 Brazed-Plate and Plate-and-Frame Condensers
1.7 Noncondensable Gases
1.8 Testing and Rating
723 Design Pressure
1.9 Operation and Maintenance
2. AIR-COOLED CONDENSERS
724 2.1 Types
Plate-and-Fin
Integral-Fin
Microchannel
2.2 Fans and Air Requirements
725 2.3 Heat Transfer and Pressure Drop
2.4 Condensers Remote from Compressor
2.5 Condensers as Part of Condensing Unit
726 2.6 Water-Cooled Versus Air-Cooled Condensing
2.7 Testing and Rating
727 2.8 Control
728 2.9 Installation and Maintenance
729 3. EVAPORATIVE CONDENSERS
3.1 Heat Transfer
730 3.2 Condenser Configuration
Coils
731 Method of Coil Wetting
Airflow
3.3 Condenser Location
3.4 Multiple-Condenser Installations
3.5 Ratings
732 3.6 Desuperheating Coils
733 3.7 Refrigerant Liquid Subcoolers
3.8 Multicircuit Condensers and Coolers
3.9 Water Treatment
3.10 Water Consumption
3.11 Capacity Modulation
734 3.12 Purging
3.13 Maintenance
3.14 Testing and Rating
References
736 Bibliography
737 Blank Page
738 I-P_S20_Ch40
1. Principle of Operation
739 2. Design Conditions
3. Types of Cooling Towers
742 Direct-Contact Cooling Towers
743 Indirect-Contact Cooling Towers
744 Hybrid Closed-Circuit Cooling Towers
745 Modular Fluid Coolers with Mixed Operational Mode
Adiabatic Fluid Coolers
746 4. Materials of Construction
747 5. Selection Considerations
748 6. Application
Siting
749 Piping
Capacity Control
751 Water-Side Economizer (Free Cooling)
752 Winter Operation
753 Sound
Drift
Fogging (Cooling Tower Plume)
754 Maintenance
Inspections
755 Water Treatment
756 White Rust
7. Performance Curves
757 8. Cooling Tower Thermal Performance
758 9. Cooling Tower Theory
759 Counterflow Integration
Cross-Flow Integration
761 10. Tower Coefficients
Available Coefficients
762 Establishing Tower Characteristics
11. Additional Information
References
763 Bibliography
764 I-P_S20_Ch41
776 I-P_S20_Ch42
783 Blank Page
784 I-P_S20_Ch43
800 I-P_S20_Ch44
1. Centrifugal Pumping
2. Construction Features
801 3. Pump Types
Circulator Pump
802 Close-Coupled, Single-Stage, End-Suction Pump
Frame-Mounted, End-Suction Pump on Base Plate
Base-Mounted, Horizontal (Axial) or Vertical, Split-Case, Single-Stage, Double-Suction Pump
Base-Mounted, Horizontal, Split-Case, Multistage Pump
803 Vertical In-Line Pump
Vertical In-Line Split-Coupled Pump
Vertical Turbine, Single- or Multistage, Sump-Mounted Pump
4. Pump Performance Curves
804 5. Hydronic System Curves
805 6. Pump and Hydronic System Curves
806 7. Pump Power
8. Pump Efficiency
807 9. Affinity Laws
809 10. Radial Thrust
11. Net Positive Suction Characteristics
810 12. Selection of Pumps
811 13. Arrangement of Pumps
Duty Standby
Parallel Pumping
812 Series Pumping
Standby Pump
813 Primary-Secondary Pumping
Variable-Speed Central Pumping
Variable-Speed Distributed Pumping
Differential Pressure Control with Predefined Control Curves
814 14. Motive Power
15. Energy Conservation in Pumping
815 16. Installation, Operation, and Commissioning
816 Commissioning Base-Mounted Centrifugal Pumps
17. Troubleshooting
References
Bibliography
818 I-P_S20_Ch45
1. MOTORS
1.1 Alternating-Current Power Supply
819 1.2 Codes and Standards
1.3 Motor Efficiency
820 1.4 General-Purpose Motors
821 Application
1.5 Permanent-Magnet AC Motors
822 1.6 Hermetic Motors
Application
1.7 Integral Thermal Protection
823 1.8 Motor Protection and Control
Separate Motor Protection
824 Protection of Control Apparatus and Branch Circuit Conductors
Three-Phase Motor Starting
825 Direct-Current Motor Starting
Single-Phase Motor Starting
Operating AC Induction Motors above Nameplate Speed Using Variable-Frequency Drives
826 VFD-Induced Bearing Currents
827 Detecting Bearing Currents
828 Strategies for Mitigating Bearing Currents
830 2. AIR VOLUME CONTROL
831 2.1 Variable-Frequency Drives
Power Transistor Characteristics
832 Motor and Conductor Impedance
833 Motor Ratings and NEMA Standards
834 Motor Noise and Drive Carrier Frequencies
Carrier Frequencies and Drive Ratings
2.2 Power Distribution System Effects
835 VFDs and Harmonics
836 2.3 performance testing and rating standards
837 Calculating VFD and Motor Efficiency
VFD-Generated Harmonics
Motor Insulation Stress
References
Bibliography
839 Blank Page
840 I-P_S20_Ch46
1. Fundamentals
Body Ratings
Materials
841 Flow Coefficient and Pressure Drop
Cavitation
Water Hammer
Noise
Body Styles
842 2. Manual Valves
Selection
Globe Valves
Gate Valves
Plug Valves
Ball Valves
843 Butterfly Valves
3. Automatic Valves
Actuators
Pneumatic Actuators
844 Electric Actuators
Electronic Hydraulic Actuators
845 Solenoids
Thermostatic Radiator Valves
Control of Automatic Valves
Two-Way Valves
Three-Way Valves
846 Special-Purpose Valves
Ball Valves
Butterfly Valves
Pressure-Independent Control Valves
847 Flow-Limiting Valves
Control Valve Flow Characteristics
848 Control Valve Sizing
849 4. Balancing Valves
850 Manual Balancing Valves
Automatic Flow-Limiting Valves
Balancing Valve Selection
5. Multiple-Purpose Valves
851 6. Safety Devices
852 7. Self-Contained Temperature Control Valves
8. Pressure-Reducing Valves
Makeup Water Valves
853 9. Check Valves
10. Stop-Check Valves
11. Backflow Prevention Devices
Selection
Installation
854 12. Steam Traps
References
Bibliography
855 Blank Page
856 I-P_S20_Ch47
1. Fundamentals
2. Types of Heat Exchangers
Shell-and-Tube Heat Exchangers
858 Tube-in-Tube Heat Exchanger
Plate Heat Exchangers
859 Double-Wall Heat Exchangers
3. Components
Shell-and-Tube Components
Plate Components
860 4. Application
5. Selection Criteria
Thermal/Mechanical Design
861 Cost
Maintenance
Space Requirements
Steam
Water Quality
6. Installation
Additional Resources
862 I-P_S20_Ch48
1. General Design Considerations
User Requirements
Application Requirements
863 Installation
Service
Sustainability
2. Types of Unitary Equipment
865 Single-Package Equipment: Types and Installations
866 Combined Space-Conditioning/Water-Heating Systems
867 Engine-Driven Heat Pumps and Air Conditioners
3. Equipment and System Standards
Energy Conservation and Efficiency
868 AHRI Certification Programs
Safety Standards and Installation Codes
4. Air Conditioners
Refrigerant Circuit Design
869 Air-Handling Systems
870 Electrical Design
Mechanical Design
Accessories
Heating
5. Air-Source Heat Pumps
871 Add-On Heat Pumps
Selection
Refrigerant Circuit and Components
872 System Control and Installation
6. Water-Source Heat Pumps
Systems
874 Performance Certification Programs
Equipment Design
875 7. Variable-Refrigerant-Flow Heat Pumps
Application
Categories
Refrigerant Circuit and Components
Heating and Defrost Operation
References
876 Bibliography
877 Blank Page
878 I-P_S20_Ch49
886 I-P_S20_Ch50
Terminology
888 Classification of Systems
Storage Media
Basic Thermal Storage Concepts
Benefits of Thermal Storage
889 Design Considerations
1. Sensible Thermal Storage Technology
Sensible Energy Storage
Temperature Range and Storage Size
Techniques for Thermal Separation in Sensible Storage Devices
890 Performance of Chilled-Water Storage Systems
Design of Stratification Diffusers
891 Storage Tank Insulation
Other Factors
892 Chilled-Water Storage Tanks
Low-Temperature Fluid Sensible Energy Storage
Storage in Aquifers
Chilled-Water Thermal Storage Sizing Examples
895 2. Latent Cool Storage Technology
Water as Phase-Change Thermal Storage Medium
896 Internal Melt Ice-On-Coil
897 3. Chiller and Ice Storage Selection
Operation With Disabled Chiller
898 Selecting Storage Equipment
External-Melt Ice-On-Coil
899 Encapsulated Ice
900 Ice Harvesters
901 Ice Slurry Systems
Unitary Thermal Storage Systems
Other Phase-Change Materials
902 4. Heat Storage Technology
Sizing Heat Storage Systems
Service Water Heating
903 Brick Storage (ETS) Heaters
904 Pressurized Water Storage Heaters
Underfloor Heat Storage
905 Building Mass Thermal Storage
906 Factors Favoring Thermal Storage
908 Comparative Value of TEC versus Other Energy Storage Technologies
Factors Discouraging Thermal Storage
Typical Applications
909 5. Sizing Cool Storage Systems
Sizing Strategies
910 Calculating Load Profiles
Sizing Equipment
911 6. Application of Thermal Storage Systems
Chilled-Water Storage Systems
913 Ice (and PCM) Storage Systems
915 Unitary Thermal Storage Systems (UTSSs)
7. Operation and Control
Operating Modes
917 Control Strategies
Operating Strategies
Utility Demand Control
Instrumentation Requirements
918 8. Other Design Considerations
Hydronic System Design for Open Systems
Cold-Air Distribution
919 Storage of Heat in Cool Storage Units
System Interface
Insulation
920 9. Cost Considerations
10. Maintenance Considerations
Water Treatment
921 11. Commissioning
Statement of Design Intent
922 Commissioning Specification
Required Information
Performance Verification
923 Sample Commissioning Plan Outline for Chilled-Water Plants with Thermal Storage Systems
12. Good Practices
References
926 Bibliography
928 I-P_S20_Ch51
935 Blank Page
936 I-P_S20_Ch52
966 I-P_S2020 IndexIX
Abbreviations, F38
Absorbents
Absorption
Acoustics. See Sound
Activated alumina, S24.1, 4, 12
Activated carbon adsorption, A47.9
Adaptation, environmental, F9.17
ADPI. See Air diffusion performance index (ADPI)
Adsorbents
Adsorption
Aeration, of farm crops, A26
Aerosols, S29.1
AFDD. See Automated fault detection and diagnostics (AFDD)
Affinity laws for centrifugal pumps, S44.8
AFUE. See Annual fuel utilization efficiency (AFUE)
AHU. See Air handlers
Air
Air barriers, F25.9; F26.5
Airborne infectious diseases, F10.7
Air cleaners. (See also Filters, air; Industrial exhaust gas cleaning)
Air conditioners. (See also Central air conditioning)
967 Air conditioning. (See also Central air conditioning)
Air contaminants, F11. (See also Contaminants)
Aircraft, A13
Air curtains
Air diffusers, S20
Air diffusion, F20
Air diffusion performance index (ADPI), A58.6
Air dispersion systems, fabric, S19.11
Air distribution, A58; F20; S4; S20
Air exchange rate
Air filters. See Filters, air
Airflow
968 Airflow retarders, F25.9
Air flux, F25.2. (See also Airflow)
Air handlers
Air inlets
Air intakes
Air jets. See Air diffusion
Air leakage. (See also Infiltration)
Air mixers, S4.8
Air outlets
Airports, air conditioning, A3.6
Air quality. [See also Indoor air quality (IAQ)]
Air terminal units (ATUs)
Airtightness, F37.24
Air-to-air energy recovery, S26
Air-to-transmission ratio, S5.13
Air transport, R27
Air washers
Algae, control, A50.12
All-air systems
Altitude, effects of
Ammonia
Anchor bolts, seismic restraint, A56.7
Anemometers
Animal environments
969 Annual fuel utilization efficiency (AFUE), S34.2
Antifreeze
Antisweat heaters (ASH), R15.5
Apartment buildings
Aquifers, thermal storage, S51.7
Archimedes number, F20.6
Archives. See Museums, galleries, archives, and libraries
Arenas
Argon, recovery, R47.17
Asbestos, F10.5
ASH. See Antisweat heaters (ASH)
Atriums
Attics, unconditioned, F27.2
Auditoriums, A5.3
Automated fault detection and diagnostics (AFDD), A40.4; A63.1
Automobiles
Autopsy rooms, A9.12; A10.6, 7
Avogadro’s law, and fuel combustion, F28.11
Backflow-prevention devices, S46.14
BACnet®, A41.9; F7.18
Bacteria
Bakery products, R41
Balance point, heat pumps, S48.9
Balancing. (See also Testing, adjusting, and balancing)
BAS. See Building automation systems (BAS)
Baseboard units
Basements
Bayesian analysis, F19.37
Beer’s law, F4.16
Behavior
BEMP. See Building energy modeling professional (BEMP)
Bernoulli equation, F21.1
Best efficiency point (BEP), S44.8
Beverages, R39
BIM. See Building information modeling (BIM)
Bioaerosols
Biocides, control, A50.14
Biodiesel, F28.8
Biological safety cabinets, A17.5
Biomanufacturing cleanrooms, A19.11
Bioterrorism. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Boilers, F19.21; S32
Boiling
Brake horsepower, S44.8
Brayton cycle
Bread, R41
Breweries
Brines. See Coolants, secondary
Building automation systems (BAS), A41.8; A63.1; F7.14
970 Building energy modeling professional (BEMP), F19.5
Building energy monitoring, A42. (See also Energy, monitoring)
Building envelopes
Building information modeling (BIM), A41.8; A60.18
Building materials, properties, F26
Building performance simulation (BPS), A65.8
Buildings
Building thermal mass
Burners
Buses
Bus terminals
Butane, commercial, F28.5
CAD. See Computer-aided design (CAD)
Cafeterias, service water heating, A51.12, 19
Calcium chloride brines, F31.1
Candy
Capillary action, and moisture flow, F25.10
Capillary tubes
Carbon dioxide
Carbon emissions, F34.7
Carbon monoxide
Cargo containers, R25
Carnot refrigeration cycle, F2.6
971 Cattle, beef and dairy, A25.7. (See also Animal environments)
CAV. See Constant air volume (CAV)
Cavitation, F3.13
CBRE. See Chemical, biological, radiological, and explosive (CBRE) incidents
CEER. See Combined energy efficiency ratio (CEER)
Ceiling effect. See Coanda effect
Ceilings
Central air conditioning, A43. (See also Air conditioning)
Central plant optimization, A8.13
Central plants
Central systems
Cetane number, engine fuels, F28.9
CFD. See Computational fluid dynamics (CFD)
Change-point regression models, F19.28
Charge minimization, R1.36
Charging, refrigeration systems, R8.4
Chemical, biological, radiological, and explosive (CBRE) incidents, A61
Chemical plants
Chemisorption, A47.10
Chilled beams, S20.10
Chilled water (CW)
Chillers
Chilton-Colburn j-factor analogy, F6.7
Chimneys, S35
Chlorinated polyvinyl chloride (CPVC), A35.44
Chocolate, R42.1. (See also Candy)
Choking, F3.13
CHP systems. See Combined heat and power (CHP)
Cinemas, A5.3
CKV. See Commercial kitchen ventilation (CVK)
Claude cycle, R47.8
Cleanrooms. See Clean spaces
Clean spaces, A19
972 Clear-sky solar radiation, calculation, F14.8
Climate change
Climatic design information, F14
Clinics, A9.17
Clothing
CLTD/CLF. See Cooling load temperature differential method with solar cooling load factors (CLTD/CLF)
CMMS. See Computerized maintenance management system (CMSS)
Coal
Coanda effect, A34.22; F20.2, 7; S20.2
Codes, A66. (See also Standards)
Coefficient of performance (COP)
Coefficient of variance of the root mean square error [CV(RMSE)], F19.33
Cogeneration. See Combined heat and power (CHP)
Coils
Colburn’s analogy, F4.17
Colebrook equation
Collaborative design, A60
Collectors, solar, A36.6, 11, 24, 25; S37.3
Colleges and universities, A8.11
Combined energy efficiency ratio (CEER), S49.3
Combined heat and power (CHP), S7
Combustion, F28
973 Combustion air systems
Combustion turbine inlet cooling (CTIC), S7.21; S8.1
Comfort. (See also Physiological principles, humans)
Commercial and public buildings, A3
Commercial kitchen ventilation (CKV), A34
Commissioning, A44
Comprehensive room transfer function method (CRTF), F19.11
Compressors, S38
Computational fluid dynamics (CFD), F13.1, F19.25
Computer-aided design (CAD), A19.6
Computerized maintenance management system (CMMS), A60.17
Computers, A41
Concert halls, A5.4
Concrete
Condensate
Condensation
974 Condensers, S39
Conductance, thermal, F4.3; F25.1
Conduction
Conductivity, thermal, F25.1; F26.1
Constant air volume (CAV)
Construction. (See also Building envelopes)
Containers. (See also Cargo containers)
Contaminants
Continuity, fluid dynamics, F3.2
Control. (See also Controls, automatic; Supervisory control)
975 Controlled-atmosphere (CA) storage
Controlled-environment rooms (CERs), and plant growth, A25.16
Controls, automatic, F7. (See also Control)
Convection
Convectors
Convention centers, A5.5
Conversion factors, F39
Cooking appliances
Coolants, secondary
Coolers. (See also Refrigerators)
976 Cooling. (See also Air conditioning)
Cooling load
Cooling load temperature differential method with solar cooling load factors (CLTD/CLF), F18.57
Cooling towers, S40
Cool storage, S51.1
COP. See Coefficient of performance (COP)
Corn, drying, A26.1
Correctional facilities. See Justice facilities
Corrosion
Costs. (See also Economics)
Cotton, drying, A26.8
Courthouses, A10.5
Courtrooms, A10.5
CPVC. See Chlorinated polyvinyl chloride (CPVC)
Crawlspaces
Critical spaces
Crops. See Farm crops
Cruise terminals, A3.6
Cryogenics, R47
977 Curtain walls, F15.6
Dairy products, R33
Dampers
Dampness problems in buildings, A64.1
Dams, concrete cooling, R45.1
Darcy equation, F21.6
Darcy-Weisbach equation
Data centers, A20
Data-driven modeling
Daylighting, F19.26
DDC. See Direct digital control (DDC)
Dedicated outdoor air system (DOAS), F36.12; S4.14; S18.2, 8; S25.4; S51
Definitions, of refrigeration terms, R50
Defrosting
Degree-days, F14.12
Dehumidification, A48.15; S24
Dehumidifiers
Dehydration
Demand control kitchen ventilation (DCKV), A34.18
Density
Dental facilities, A9.17
Desiccants, F32.1; S24.1
978 Design-day climatic data, F14.12
Desorption isotherm, F26.20
Desuperheaters
Detection
Dew point, A64.8
Diamagnetism, and superconductivity, R47.5
Diesel fuel, F28.9
Diffusers, air, sound control, A49.12
Diffusion
Diffusivity
Dilution
Dining halls, in justice facilities, A10.4
DIR. See Dispersive infrared (DIR)
Direct digital control (DDC), F7.4, 11
Direct numerical simulation (DNS), turbulence modeling, F13.4; F24.13
Dirty bombs. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Disabilities, A8.23
Discharge coefficients, in fluid flow, F3.9
Dispersive infrared (DIR), F7.10
Display cases
Display cases, R15.2, 5
District energy (DE). See District heating and cooling (DHC)
District heating and cooling (DHC), S12
d-limonene, F31.12
DNS. See Direct numerical simulation (DNS)
DOAS. See Dedicated outdoor air system (DOAS)
Doors
Dormitories
Draft
Drag, in fluid flow, F3.5
Driers, S7.6. (See also Dryers)
Drip station, steam systems, S12.14
Dryers. (See also Driers)
Drying
DTW. See Dual-temperature water (DTW) system
Dual-duct systems
Dual-temperature water (DTW) system, S13.1
DuBois equation, F9.3
Duct connections, A64.10
Duct design
Ducts
979 Dust mites, F25.16
Dusts, S29.1
Dynamometers, A18.1
Earth, stabilization, R45.3, 4
Earthquakes, seismic-resistant design, A56.1
Economic analysis, A38
Economic coefficient of performance (ECOP), S7.2
Economic performance degradation index (EPDI), A63.5
Economics. (See also Costs)
Economizers
ECOP. See Economic coefficient of performance (ECOP)
ECS. See Environmental control system (ECS)
Eddy diffusivity, F6.7
Educational facilities, A8
EER. See Energy efficiency ratio (EER)
Effectiveness, heat transfer, F4.22
Effectiveness-NTU heat exchanger model, F19.19
Efficiency
Eggs, R34
Electricity
Electric thermal storage (ETS), S51.17
Electronic smoking devices (“e-cigarettes”), F11.19
Electrostatic precipitators, S29.7; S30.7
Elevators
Emissions, pollution, F28.9
Emissivity, F4.2
Emittance, thermal, F25.2
Enclosed vehicular facilities, A16
Energy
980 Energy and water use and management, A37
Energy efficiency ratio (EER)
Energy savings performance contracting (ESPC), A38.8
Energy transfer station, S12.37
Engines, S7
Engine test facilities, A18
Enhanced tubes. See Finned-tube heat transfer coils
Enthalpy
Entropy, F2.1
Environmental control
Environmental control system (ECS), A13
Environmental health, F10
Environmental tobacco smoke (ETS)
EPDI. See Economic performance degradation index (EPDI)
Equipment vibration, A49.44; F8.17
ERF. See Effective radiant flux (ERF)
ESPC. See Energy savings performance contracting (ESPC)
Ethylene glycol, in hydronic systems, S13.24
ETS. See Environmental tobacco smoke (ETS); Electric thermal storage (ETS)
Evaluation. See Testing
Evaporation, in tubes
Evaporative coolers. (See also Refrigerators)
Evaporative cooling, A53
Evaporators. (See also Coolers, liquid)
Exfiltration, F16.2
Exhaust
981 Exhibit buildings, temporary, A5.6
Exhibit cases
Exhibition centers, A5.5
Expansion joints and devices
Expansion tanks, S12.10
Explosions. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Fairs, A5.6
Family courts, A10.4. (See also Juvenile detention facilities)
Fan-coil units, S5.6
Fans, F19.18; S21
Farm crops, drying and storing, A26
Faults, system, reasons for detecting, A40.4
f-Chart method, sizing heating and cooling systems, A36.20
Fenestration. (See also Windows)
Fick’s law, F6.1
Filters, air, S29. (See also Air cleaners)
Finned-tube heat-distributing units, S36.2, 5
Finned-tube heat transfer coils, F4.25
Fins, F4.6
Fire/smoke control. See Smoke control
Firearm laboratories, A10.7
Fire management, A54.2
Fireplaces, S34.5
Fire safety
Fish, R19; R32
Fitness facilities. (See also Gymnasiums)
Fittings
982 Fixed-guideway vehicles, A12.7. (See also Mass-transit systems)
Fixture units, A51.1, 28
Flammability limits, gaseous fuels, F28.1
Flash tank, steam systems, S11.14
Floors
Flowers, cut
Flowmeters, A39.26; F37.18
Fluid dynamics computations, F13.1
Fluid flow, F3
Food. (See also specific foods)
Food service
Forced-air systems, residential, A1.1
Forensic labs, A10.6
Fouling factor
Foundations
Fountains, Legionella pneumophila control, A50.15
Fourier’s law, and heat transfer, F25.5
Four-pipe systems, S5.5
Framing, for fenestration
Freeze drying, A31.6
Freeze prevention. (See also Freeze protection systems)
Freeze protection systems, A52.19, 20
Freezers
Freezing
Friction, in fluid flow
983 Fruit juice, R38
Fruits
Fuel cells, combined heat and power (CHP), S7.22
Fuels, F28
Fume hoods, laboratory exhaust, A17.3
Fungi
Furnaces, S33
Galleries. See Museums, galleries, archives, and libraries
Garages
Gases
Gas-fired equipment, S34. (See also Natural gas)
Gas vents, S35.1
Gaussian process (GP) models, F19.30
GCHP. See Ground-coupled heat pumps (GCHP)
Generators
Geothermal energy, A35
Geothermal heat pumps (GHP), A35.1
Glaser method, F25.15
Glazing
Global climate change, and refrigerants, F29.1
Global warming potential (GWP), F29.5
Glossary, of refrigeration terms, R50
Glycols, desiccant solution, S24.2
Graphical symbols, F38
Green design, and sustainability, F35.1
Greenhouses. (See also Plant environments)
Grids, for computational fluid dynamics, F13.4
Ground-coupled heat pumps (GCHP)
Ground-coupled systems, F19.23
Ground-source heat pumps (GSHP), A35.1
Groundwater heat pumps (GWHP), A35.30
GSHP. See Ground-source heat pumps (GSHP)
Guard stations, in justice facilities, A10.5
GWHP. See Groundwater heat pumps (GWHP)
GWP. See Global warming potential (GWP)
Gymnasiums, A5.5; A8.3
HACCP. See Hazard analysis critical control point (HACCP)
Halocarbon
Hartford loop, S11.3
Hay, drying, A26.8
Hazard analysis and control, F10.4
Hazard analysis critical control point (HACCP), R22.4
Hazen-Williams equation, F22.6
HB. See Heat balance (HB)
Health
984 Health care facilities, A9. (See also specific types)
Health effects, mold, A64.1
Heat
Heat and moisture control, F27.1
Heat balance (HB), S9.23
Heat balance method, F19.3
Heat capacity, F25.1
Heat control, F27
Heaters, S34
Heat exchangers, S47
Heat flow, F25. (See also Heat transfer)
Heat flux, F25.1
Heat gain. (See also Load calculations)
Heating
Heating load
Heating seasonal performance factor (HSPF), S48.6
Heating values of fuels, F28.3, 9, 10
Heat loss. (See also Load calculations)
Heat pipes, air-to-air energy recovery, S26.14
985 Heat pumps
Heat recovery. (See also Energy, recovery)
Heat storage. See Thermal storage
Heat stress
Heat transfer, F4; F25; F26; F27. (See also Heat flow)
Heat transmission
Heat traps, A51.1
Helium
High-efficiency particulate air (HEPA) filters, A29.3; S29.6; S30.3
High-rise buildings. See Tall buildings
High-temperature short-time (HTST) pasteurization, R33.2
High-temperature water (HTW) system, S13.1
Homeland security. See Chemical, biological, radiological, and explosive (CBRE) incidents
986 Hoods
Hospitals, A9.3
Hot-box method, of thermal modeling, F25.8
Hotels and motels, A7
Hot-gas bypass, R1.35
Houses of worship, A5.3
HSI. See Heat stress, index (HSI)
HSPF. See Heating seasonal performance factor (HSPF)
HTST. See High-temperature short-time (HTST) pasteurization
Humidification, S22
Humidifiers, S22
Humidity (See also Moisture)
HVAC security, A61
Hybrid inverse change point model, F19.31
Hybrid ventilation, F19.26
Hydrofluorocarbons (HFCs), R1.1
Hydrofluoroolefins (HFOs), R1.1
Hydrogen, liquid, R47.3
Hydronic systems, S35. (See also Water systems)
Hygrometers, F7.9; F37.10, 11
Hygrothermal loads, F25.2
Hygrothermal modeling, F25.15; F27.10
IAQ. See Indoor air quality (IAQ)
IBD. See Integrated building design (IBD)
Ice
Ice makers
Ice rinks, A5.5; R44
ID50‚ mean infectious dose, A61.9
Ignition temperatures of fuels, F28.2
IGUs. See Insulating glazing units (IGUs)
Illuminance, F37.31
Indoor airflow, A59.1
987 Indoor air quality (IAQ). (See also Air quality)
Indoor environmental modeling, F13
Indoor environmental quality (IEQ), kitchens, A33.20. (See also Air quality)
Indoor swimming pools. (See also Natatoriums)
Induction
Industrial applications
Industrial environments, A15, A32; A33
Industrial exhaust gas cleaning, S29. (See also Air cleaners)
Industrial hygiene, F10.3
Infiltration. (See also Air leakage)
Infrared applications
In-room terminal systems
Instruments, F14. (See also specific instruments or applications)
Insulating glazing units (IGUs), F15.5
Insulation, thermal
988 Integrated building design (IBD), A60.1
Integrated project delivery (IPD), A60.1
Integrated project delivery and building design,
Intercoolers, ammonia refrigeration systems, R2.12
Internal heat gains, F19.13
Jacketing, insulation, R10.7
Jails, A10.4
Joule-Thomson cycle, R47.6
Judges’ chambers, A10.5
Juice, R38.1
Jury facilities, A10.5
Justice facilities, A10
Juvenile detention facilities, A10.1. (See also Family courts)
K-12 schools, A8.3
Kelvin’s equation, F25.11
Kirchoff’s law, F4.12
Kitchens, A34
Kleemenko cycle, R47.13
Krypton, recovery, R47.18
Laboratories, A17
Laboratory information management systems (LIMS), A10.8
Lakes, heat transfer, A35.37
Laminar flow
Large eddy simulation (LES), turbulence modeling, F13.3; F24.13
Laser Doppler anemometers (LDA), F37.17
Laser Doppler velocimeters (LDV), F37.17
Latent energy change materials, S51.2
Laundries
LCR. See Load collector ratio (LCR)
LD50‚ mean lethal dose, A61.9
LDA. See Laser Doppler anemometers (LDA)
LDV. See Laser Doppler velocimeters (LDV)
LE. See Life expectancy (LE) rating
Leakage
989 Leakage function, relationship, F16.15
Leak detection of refrigerants, F29.9
Legionella pneumophila, A50.15; F10.7
Legionnaires’ disease. See Legionella pneumophila
LES. See Large eddy simulation (LES)
Lewis relation, F6.9; F9.4
Libraries. See Museums, galleries, archives, and libraries
Life expectancy (LE) rating, film, A23.3
Lighting
Light measurement, F37.31
LIMS. See Laboratory information management systems (LIMS)
Linde cycle, R47.6
Liquefied natural gas (LNG), S8.6
Liquefied petroleum gas (LPG), F28.5
Liquid overfeed (recirculation) systems, R4
Lithium bromide/water, F30.71
Lithium chloride, S24.2
LNG. See Liquefied natural gas (LNG)
Load calculations
Load collector ratio (LCR), A36.22
Local exhaust. See Exhaust
Loss coefficients
Louvers, F15.33
Low-temperature water (LTW) system, S13.1
LPG. See Liquefied petroleum gas (LPG)
LTW. See Low-temperature water (LTW) system
Lubricants, R6.1; R12. (See also Lubrication; Oil)
Lubrication, R12
Mach number, S38.32
Maintenance. (See also Operation and maintenance)
Makeup air units, S28.8
Malls, 12.7
Manometers, differential pressure readout, A39.25
Manufactured homes, A1.9
Masonry, insulation, F26.7. (See also Building envelopes)
Mass transfer, F6
990 Mass-transit systems
McLeod gages, F37.13
Mean infectious dose (ID50), A61.9
Mean lethal dose (LD50), A61.9
Mean temperature difference, F4.22
Measurement, F36. (See also Instruments)
Measurement, F37. (See also Instruments)
Meat, R30
Mechanical equipment room, central
Mechanical traps, steam systems, S11.8
Medium-temperature water (MTW) system, S13.1
Megatall buildings, A4.1
Meshes, for computational fluid dynamics, F13.4
Metabolic rate, F9.6
Metals and alloys, low-temperature, R48.6
Microbial growth, R22.4
Microbial volatile organic chemicals (MVOCs), F10.8
Microbiology of foods, R22.1
Microphones, F37.29
Mines, A30
Modeling. (See also Data-driven modeling; Energy, modeling)
Model predictive control (MPC), A65.6
Moist air
Moisture (See also Humidity)
Mold, A64.1; F25.16
Mold-resistant gypsum board, A64.7
Molecular sieves, R18.10; R41.9; R47.13; S24.5. (See also Zeolites)
991 Montreal Protocol, F29.1
Morgues, A9.1
Motors, S45
Movie theaters, A5.3
MPC (model predictive control), A65.6
MRT. See Mean radiant temperature (MRT)
Multifamily residences, A1.8
Multiple-use complexes
Multisplit unitary equipment, S48.1
Multizone airflow modeling, F13.14
Museums, galleries, archives, and libraries
MVOCs. See Microbial volatile organic compounds (MVOCs)
Natatoriums. (See also Swimming pools)
Natural gas, F28.5
Navier-Stokes equations, F13.2
NC curves. See Noise criterion (NC) curves
Net positive suction head (NPSH), A35.31; R2.9; S44.10
Network airflow models, F19.25
Neutral pressure level (NPL), A4.1
Night setback, recovery, A43.44
Nitrogen
Noise, F8.13. (See also Sound)
Noise criterion (NC) curves, F8.16
Noncondensable gases
Normalized mean bias error (NMBE), F19.33
NPL. See Neutral pressure level (NPL)
NPSH. See Net positive suction head (NPSH)
NTU. See Number of transfer units (NTU)
Nuclear facilities, A29
Number of transfer units (NTU)
Nursing facilities, A9.17
Nuts, storage, R42.7
Odors, F12
ODP. See Ozone depletion potential (ODP)
Office buildings
Oil, fuel, F28.7
Oil. (See also Lubricants)
Olf unit, F12.6
One-pipe systems
Operating costs, A38.4
Operation and maintenance, A39. (See also Maintenance)
OPR. See Owner’s project requirements (OPR)
Optimization, A43.4
992 Outdoor air, free cooling (See also Ventilation)
Outpatient health care facilities, A9.16
Owning costs, A38.1
Oxygen
Ozone
Ozone depletion potential (ODP), F29.5
PACE. (See Property assessment for clean energy)
Packaged terminal air conditioners (PTACs), S49.5
Packaged terminal heat pumps (PTHPs), S49.5
PAH. See Polycyclic aromatic hydrocarbons (PAHs)
Paint, and moisture problems, F25.16
Panel heating and cooling, S6. (See also Radiant heating and cooling)
Paper
Paper products facilities, A27
Parallel compressor systems, R15.14
Particulate matter, indoor air quality (IAQ), F10.5
Passive heating, F19.27
Pasteurization, R33.2
Peak dew point, A64.10
Peanuts, drying, A26.9
PEC systems. See Personal environmental control (PEC) systems
PEL. See Permissible exposure limits (PEL)
Performance contracting, A42.2
Performance monitoring, A48.6
Permafrost stabilization, R45.4
Permeability
Permeance
Permissible exposure limits (PELs), F10.5
Personal environmental control (PEC) systems, F9.26
Pharmaceutical manufacturing cleanrooms, A19.11
Pharmacies, A9.13
Phase-change materials, thermal storage in, S51.16, 27
Photographic materials, A23
Photovoltaic (PV) systems, S36.18. (See also Solar energy)
Physical properties of materials, F33
Physiological principles, humans. (See also Comfort)
Pigs. See Swine
Pipes. (See also Piping)
Piping. (See also Pipes)
993 Pitot tubes, A39.2; F37.17
Places of assembly, A5
Planes. See Aircraft
Plank’s equation, R20.7
Plant environments, A25.10
Plenums
PMV. See Predicted mean vote (PMV)
Police stations, A10.1
Pollutant transport modeling. See Contami- nants, indoor, concentration prediction
Pollution
Pollution, air, and combustion, F28.9, 17
Polycyclic aromatic hydrocarbons (PAHs), F10.6
Polydimethylsiloxane, F31.12
Ponds, spray, S40.6
Pope cell, F37.12
Positive building pressure, A64.11
Positive positioners, F7.8
Potatoes
Poultry. (See also Animal environments)
Power grid, A63.9
Power-law airflow model, F13.14
Power plants, A28
PPD. See Predicted percent dissatisfied (PPD)
Prandtl number, F4.17
Precooling
Predicted mean vote (PMV), F37.32
Predicted percent dissatisfied (PPD), F9.18
Preschools, A8.1
Pressure
Pressure drop. (See also Darcy-Weisbach equation)
Primary-air systems, S5.10
Printing plants, A21
994 Prisons, A10.4
Produce
Product load, R15.6
Propane
Property assessment for clean energy (PACE), A38.9
Propylene glycol, hydronic systems, S13.24
Psychrometers, F1.13
Psychrometrics, F1
PTACs. See Packaged terminal air condition- ers (PTACs)
PTHPs. See Packaged terminal heat pumps (PTHPs)
Public buildings. See Commercial and public buildings; Places of assembly
Pumps
Pumps, F19.18
Purge units, centrifugal chillers, S43.11
PV systems. See Photovoltaic (PV) systems; Solar energy
Radiant heating and cooling, A55; S6.1; S15; S33.4. (See also Panel heating and cooling)
Radiant time series (RTS) method, F18.2, 22
Radiation
Radiators, S36.1, 5
Radioactive gases, contaminants, F11.21
Radiosity method, F19.26
Radon, F10.16, 22
Rail cars, R25. (See also Cargo containers)
Railroad tunnels, ventilation
Rain, and building envelopes, F25.4
RANS. See Reynolds-Averaged Navier-Stokes (RANS) equation
Rapid-transit systems. See Mass-transit systems
Rayleigh number, F4.20
Ray tracing method, F19.27
RC curves. See Room criterion (RC) curves
Receivers
Recycling refrigerants, R9.3
Refrigerant/absorbent pairs, F2.15
Refrigerant control devices, R11
995 Refrigerants, F29.1
Refrigerant transfer units (RTU), liquid chillers, S43.11
Refrigerated facilities, R23
Refrigeration, F1.16. (See also Absorption; Adsorption)
996 Refrigeration oils, R12. (See also Lubricants)
Refrigerators
Regulators. (See also Valves)
Relative humidity, F1.12
Residential health care facilities, A9.17
Residential systems, A1
Resistance, thermal, F4; F25; F26. (See also R-values)
Resistance temperature devices (RTDs), F7.9; F37.6
Resistivity, thermal, F25.1
Resource utilization factor (RUF), F34.2
Respiration of fruits and vegetables, R19.17
Restaurants
Retail facilities, 12
Retrofit performance monitoring, A42.4
Retrofitting refrigerant systems, contaminant control, S7.9
Reynolds-averaged Navier-Stokes (RANS) equation, F13.3; F24.13
Reynolds number, F3.3
Rice, drying, A26.9
RMS. See Root mean square (RMS)
Road tunnels, A16.3
Roofs, U-factors, F27.2
Room air distribution, A58; S20.1
Room criterion (RC) curves, F8.16
Root mean square (RMS), F37.1
RTDs. See Resistance temperature devices (RTDs)
RTS. See Radiant time series (RTS)
RTU. See Refrigerant transfer units (RTU)
RUF. See Resource utilization factor (RUF)
Rusting, of building components, F25.16
R-values, F23; F25; F26. (See also Resistance, thermal)
Safety
Sanitation
Savings-to-investment ratio (SIR), A38.12
Savings-to-investment-ratio (SIR), A38.12
Scale
Schneider system, R23.7
Schools
Seasonal energy efficiency ratio (SEER)
Security. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Seeds, storage, A26.12
997 SEER. See Seasonal energy efficiency ratio (SEER)
Seismic restraint, A49.53; A56.1
Semivolatile organic compounds (SVOCs), F10.4, 12; F11.15
Sensors
Separators, lubricant, R11.23
Service water heating, A51
SES. See Subway environment simulation (SES) program
Set points, A65.1
Shading
Ships, A13
Shooting ranges, indoor, A10.8
Short-tube restrictors, R11.31
Silica gel, S24.1, 4, 6, 12
Single-duct systems, all-air, S4.11
SIR. See Savings-to-investment ratio (SIR)
Skating rinks, R44.1
Skylights, and solar heat gain, F15.21
Slab heating, A52
Slab-on-grade foundations, A45.11
SLR. See Solar-load ratio (SLR)
Smart building systems, A63.1
Smart grid, A63.9, 11
Smoke control, A54
Snow-melting systems, A52
Snubbers, seismic, A56.8
Sodium chloride brines, F31.1
Soft drinks, R39.10
Software, A65.7
Soils. (See also Earth)
Solar energy, A36; S37.1 (See also Solar heat gain; Solar radiation)
998 Solar heat gain, F15.14; F18.16
Solar-load ratio (SLR), A36.22
Solar-optical glazing, F15.14
Solar radiation, F14.8; F15.14
Solid fuel
Solvent drying, constant-moisture, A31.7
Soot, F28.20
Sorbents, F32.1
Sorption isotherm, F25.10; F26.20
Sound, F8. (See also Noise)
Soybeans, drying, A26.7
Specific heat
Split-flux method, F19.26
Spot cooling
Stack effect
Stadiums, A5.4
Stairwells
Standard atmosphere, U.S., F1.1
Standards, A66. (See also Codes)
Static air mixers, S4.8
Static electricity and humidity, S22.2
Steam
999 Steam systems, S11
Steam traps, S11.7
Stefan-Boltzmann equation, F4.2, 12
Stevens’ law, F12.3
Stirling cycle, R47.14
Stokers, S31.17
Storage
Stoves, heating, S34.5
Stratification
Stroboscopes, F37.28
Subcoolers
Subway environment simulation (SES) program, A16.3
Subway systems. (See also Mass-transit systems)
Suction risers, R2.24
Sulfur content, fuel oils, F28.9
Superconductivity, diamagnetism, R47.5
Supermarkets. See Retail facilities, supermarkets
Supertall buildings, A4.1
Supervisory control, A43
Supply air outlets, S20.2. (See also Air outlets)
Surface effect. See Coanda effect
Surface transportation
Surface water heat pump (SWHP), A35.3
Sustainability, F16.1; F35.1; S48.2
SVFs. See Synthetic vitreous fibers (SVFs)
SVOCs. See Semivolatile organic compounds (SVOCs)
SWHP. See Surface water heat pump (SWHP)
Swimming pools. (See also Natatoriums)
Swine, recommended environment, A25.7
Symbols, F38
Synthetic vitreous fibers (SVFs), F10.6
TABS. See Thermally activated building systems (TABS)
Tachometers, F37.28
1000 Tall buildings, A4
Tanks, secondary coolant systems, R13.2
TDD. See Tubular daylighting devices
Telecomunication facilities, air-conditioning systems, A20.1
Temperature
Temperature-controlled transport, R25.1
Temperature index, S22.3
Terminal units. [See also Air terminal units (ATUs)], A48.13, F19.16; S20.7
Terminology, of refrigeration, R50
Terrorism. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
TES. See Thermal energy storage (TES)
Testing
Testing, adjusting, and balancing. (See also Balancing)
TETD/TA. See Total equivalent temperature differential method with time averaging (TETD/TA)
TEWI. See Total equivalent warning impact (TEWI)
Textile processing plants, A22
TFM. See Transfer function method (TFM)
Theaters, A5.3
Thermal bridges, F25.8
Thermal comfort. See Comfort
Thermal displacement ventilation (TDV), F19.17
Thermal emittance, F25.2
Thermal energy storage (TES), S8.6; S51
1001 Thermally activated building systems (TABS), A43.3, 34
Thermal-network method, F19.11
Thermal properties, F26.1
Thermal resistivity, F25.1
Thermal storage,
Thermal storage. See Thermal energy storage (TES) S51
Thermal transmission data, F26
Thermal zones, F19.14
Thermistors, R11.4
Thermodynamics, F2.1
Thermometers, F37.5
Thermopile, F7.4; F37.9; R45.4
Thermosiphons
Thermostats
Three-dimensional (3D) printers, F11.18
Three-pipe distribution, S5.6
Tobacco smoke
Tollbooths
Total equivalent temperature differential method with time averaging (TETD/TA), F18.57
Total equivalent warming impact (TEWI), F29.5
Trailers and trucks, refrigerated, R25. (See also Cargo containers)
Transducers, F7.10, 13
Transfer function method (TFM); F18.57; F19.3
Transmittance, thermal, F25.2
Transmitters, F7.9, 10
Transpiration, R19.19
Transportation centers
Transport properties of refrigerants, F30
Traps
Trucks, refrigerated, R25. (See also Cargo containers)
Tubular daylighting devices (TDDs), F15.30
Tuning automatic control systems, F7.19
Tunnels, vehicular, A16.1
Turbines, S7
Turbochargers, heat recovery, S7.34
Turbulence modeling, F13.3
Turbulent flow, fluids, F3.3
Turndown ratio, design capacity, S13.4
Two-node model, for thermal comfort, F9.18
Two-pipe systems, S5.5; S13.20
U.S. Marshal spaces, A10.6
U-factor
Ultralow-penetration air (ULPA) filters, S29.6; S30.3
Ultraviolet (UV) lamp systems, S17
1002 Ultraviolet air and surface treatment, A62
Ultraviolet germicidal irradiation (UVGI), A60.1; S17.1. [See also Ultraviolet (UV) lamp systems]
Ultraviolet germicidal irradiation (UVGI), A62.1; S17.1. [See also Ultraviolet (UV) lamp systems]
Uncertainty analysis
Underfloor air distribution (UFAD) systems, A4.6; A58.14; F19.17
Unitary systems, S48
Unit heaters. See Heaters
Units and conversions, F39
Unit ventilators, S28.1
Utility interface, electric, S7.43
Utility rates, A63.11
UV. See Ultraviolet (UV) lamp systems
UVGI. See Ultraviolet germicidal irradiation (UVGI)
Vacuum cooling, of fruits and vegetables, R28.9
Validation, of airflow modeling, F13.9, 10, 17
Valves. (See also Regulators)
Vaporization systems, S8.6
Vapor pressure, F27.8; F33.2
Vapor retarders, jackets, F23.12
Variable-air-volume (VAV) systems
Variable-frequency drives, S45.14
Variable refrigerant flow (VRF), S18.1; S48.1, 14
Variable-speed drives. See Variable-frequency drives S51
VAV. See Variable-air-volume (VAV) systems
Vegetables, R37
Vehicles
Vena contracta, F3.4
Vending machines, R16.5
Ventilation, F16
1003 Ventilators
Venting
Verification, of airflow modeling, F13.9, 10, 17
Vessels, ammonia refrigeration systems, R2.11
Vibration, F8.17
Viral pathogens, F10.9
Virgin rock temperature (VRT), and heat release rate, A30.3
Viscosity, F3.1
Volatile organic compounds (VOCs), F10.11
Voltage, A57.1
Volume ratio, compressors
VRF. See Variable refrigerant flow (VRF)
VRT. See Virgin rock temperature (VRT)
Walls
Warehouses, A3.8
Water
Water heaters
Water horsepower, pump, S44.7
Water/lithium bromide absorption
Water-source heat pump (WSHP), S2.4; S48.11
Water systems, S13
1004 Water treatment, A50
Water use and management (See Energy and water use and management)
Water vapor control, A45.6
Water vapor permeance/permeability, F26.12, 17, 18
Water vapor retarders, F26.6
Water wells, A35.30
Weather data, F14
Weatherization, F16.18
Welding sheet metal, S19.12
Wet-bulb globe temperature (WBGT), heat stress, A32.5
Wheels, rotary enthalpy, S26.9
Whirlpools and spas
Wien’s displacement law, F4.12
Wind. (See also Climatic design information; Weather data)
Wind chill index, F9.23
Windows. (See also Fenestration)
Wind restraint design, A56.15
Wineries
Wireless sensors, A63.7
Wood construction, and moisture, F25.10
Wood products facilities, A27.1
Wood pulp, A27.2
Wood stoves, S34.5
WSHP. See Water-source heat pump (WSHP)
Xenon, R47.18
Zeolites, R18.10; R41.9; R47.13; S24.5. (See also Molecular sieves)
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ASHRAE HVACSystemsEquipment Handbook IP 2020
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