IEC\/TR 62131-2, which is a technical report, reviews the available dynamic data relating to electrotechnical equipment transported in fixed wing jet transport aircraft. The intent is that from all the available data an environmental description will be generated and compared to that set out in IEC 60721.<\/p>\n
For each of the sources identified the quality of the data is reviewed and checked for self consistency. The process used to undertake this check of data quality and that used to intrinsically categorize the various data sources is set out in IEC\/TR 62131-1.<\/p>\n
This technical report primarily addresses data extracted from a number of different sources for which reasonable confidence exist as to their quality and validity. The report also presents data for which the quality and validity cannot realistically be reviewed. These data are included to facilitate validation of information from other sources. The report clearly indicates when it utilizes information in this latter category.<\/p>\n
This technical report addresses data from several different transport aircraft1. Although one of these aircraft is no longer used commercially, data from it are included to facilitate validation of information from other sources.<\/p>\n
Relatively little of the data reviewed has been made available in electronic form. To permit comparison, a quantity of the original (non-electronic) data have been manually digitized in this technical report.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 4<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 3 Data source and quality 3.1 Lockheed Tristar KC Mk 1 3.2 BAe VC10 K <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 3.3 Boeing 747 Combi (freight and passengers) <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 3.4 Supplementary data 4 Intra data source comparison 4.1 General remark 4.2 Lockheed Tristar KC Mk 1 <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4.3 BAe VC10 K <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 4.4 Boeing 747 Combi (freight and passengers) 5 Inter data source comparison <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 6 Environmental description 6.1 Lockheed Tristar KC Mk 1 6.2 BAe VC10 K 6.3 Boeing 747 Combi (freight and passengers) 7 Supplementary data 7.1 General remark 7.2 McDonnell Douglas DC8 Cargo <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 7.3 Lockheed C5A (Galaxy), Lockheed C-141 (Starlifter) and Boeing NC-135 (707) 8 Comparison with IEC\u00a060721 <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 9 Recommendations <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Figures \n Figure\u00a01 \u2013 Schematic of Tristar aircraft Tables \n Table 1 \u2013 Tristar flight conditions and measured r.m.s. values <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | Figure 2 \u2013 Tristar noise measurements Figure 3 \u2013 Tristar vibration measurements \u2013 Take-off, power and roll <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Figure 4 \u2013 Tristar vibration measurements \u2013 Low altitude climb Figure 5 \u2013 Tristar vibration measurements \u2013 High altitude cruise <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Figure 6 \u2013 Tristar vibration measurements \u2013 Landing Figure 7 \u2013 Tristar vibration measurements \u2013 Low altitude decent <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Figure 8 \u2013 Tristar vibration measurements \u2013 C of G take-off\/climb Figure 9 \u2013 Tristar vibration measurements \u2013 Forward take-off\/climb <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Figure 10 \u2013 Tristar vibration measurements \u2013 Centre of gravity cruise Figure 11 \u2013 Tristar vibration measurements \u2013 Forward cruise <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Figure 12 \u2013 Tristar vibration measurements \u2013 Centre of gravity landing Figure 13 \u2013 Tristar vibration measurements \u2013 Forward landing <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Figure 14 \u2013 Tristar vibration measurements \u2013 Cruise environment Figure 15 \u2013 Tristar vibration measurements \u2013 Take-off\/landing environment <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Figure 16 \u2013 Schematic of VC10 aircraft Table 2 \u2013 VC10 flight conditions Table 2a \u2013 VC10 measurement locations <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Table 3 \u2013 Overall g r.m.s. (3,25\u00a0Hz to 2 000\u00a0Hz) for VC10 airframe\/container Table 4 \u2013 Overall g r.m.s. (3,25\u00a0Hz to 399\u00a0Hz) for VC 10 container measurements <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Figure 17 \u2013 VC10 vibration measurements \u2013 Cruise Figure 18 \u2013 VC10 vibration measurements \u2013 Maximum airframe severity <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Figure 19 \u2013 VC10 vibration measurement \u2013 Forward container during reverse thrust Figure 20 \u2013 VC10 vibration measurement \u2013 Rear container during reverse thrust <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Figure 21 \u2013 VC10 measurements \u2013 Overlaid worst case spectra <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Table 5 \u2013 Summary of 747 air transport data Table 6 \u2013 Summary of 747 acceleration levels (g) expectedto be exceeded for 1\u00a0% of the time of the trial <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Figure 22 \u2013 Vibration measurements on a pallet in a Boeing 747 Combi aircraft (transducer V1) Figure 23 \u2013 Vibration measurements on a pallet in a Boeing 747 Combi aircraft (Transducer V2) <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | Figure 24 \u2013 DC8 vibration measurements reverse thrust Table 7 \u2013 Summary of DC8 air data <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | Figure 25 \u2013 DC8 vibration measurements acceleration and take-off Figure 26 \u2013 DC8 vibration measurements cruise <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Figure 27 \u2013 Foley representation of environment for NC-135, C-141 and C-5A aircraft Figure 28 \u2013 Foley landing shock environment <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Figure 29 \u2013 Foley test severity for take-off\/landing Table 3 \u2013 Foley test severity for take-off\/landing \u2013 Sine components <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | Figure 30 \u2013 Foley test severity for cruise Table 10 \u2013 Foley test severity for cruise \u2013 Sine components <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | Figure 31 \u2013 IEC\u00a060721-3-2:1997 \u2013 Stationary vibration random Figure 32 \u2013 IEC\u00a060721-3-2:1997 \u2013 Non-stationary vibration including shock <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | Figure 33 \u2013 Test severities \u2013 ASTM D 4728-91 Figure 34 \u2013 Test severities \u2013 Mil Std 810 issue F and G <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | Figure 35 \u2013 Test severities \u2013 AECTP 400 (Editions 2 and 3) Figure 36 \u2013 Test severity \u2013 Def Stan 00-35, issues 3 and 4 <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Environmental conditions. Vibration and shock of electrotechnical equipment – Equipment transported in fixed wing jet aircraft<\/b><\/p>\n |