{"id":294251,"date":"2024-10-19T20:00:12","date_gmt":"2024-10-19T20:00:12","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-14382017-tc\/"},"modified":"2024-10-25T17:13:35","modified_gmt":"2024-10-25T17:13:35","slug":"bs-iso-14382017-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-14382017-tc\/","title":{"rendered":"BS ISO 1438:2017 – TC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
105<\/td>\nundefined <\/td>\n<\/tr>\n
110<\/td>\nForeword <\/td>\n<\/tr>\n
112<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms <\/td>\n<\/tr>\n
113<\/td>\n5 Principle
6 Installation
6.1 General
6.2 Selection of site
6.3 Installation conditions
6.3.1 General <\/td>\n<\/tr>\n
114<\/td>\n6.3.2 Weir
6.3.3 Approach channel <\/td>\n<\/tr>\n
115<\/td>\n6.3.4 Downstream channel
7 Measurement of head
7.1 Head-measuring devices <\/td>\n<\/tr>\n
116<\/td>\n7.2 Stilling or float well
7.3 Head-measurement section
7.3.1 Upstream head-measurement
7.3.2 Downstream head measurement
7.4 Head-gauge datum (gauge zero) <\/td>\n<\/tr>\n
117<\/td>\n8 Maintenance
9 Rectangular thin-plate weir
9.1 Types <\/td>\n<\/tr>\n
119<\/td>\n9.2 Specifications for the standard weir
9.3 Specifications for installation
9.4 Determination of gauge zero <\/td>\n<\/tr>\n
122<\/td>\n9.5 Discharge formulae \u2014 General
9.6 Formulae for the basic weir form (all values of b\/B)
9.6.1 Kindsvater-Carter formula
9.6.2 Evaluation of Cd, kb and kh <\/td>\n<\/tr>\n
124<\/td>\n9.6.3 Formulae for Cd <\/td>\n<\/tr>\n
125<\/td>\n9.6.4 Practical limitations on h\/p, h, b and p
9.7 Formulae for full-width weirs (b\/B = 1,0)
9.7.1 Modular flow discharge formula <\/td>\n<\/tr>\n
126<\/td>\n9.7.2 Non-modular flow discharge formula <\/td>\n<\/tr>\n
127<\/td>\n10 Triangular-notch thin-plate weir
10.1 Specifications for the standard weir <\/td>\n<\/tr>\n
130<\/td>\n10.2 Specifications for the installation
10.3 Specifications for head measurement
10.3.1 General
10.3.2 Determination of notch angle
10.3.3 Determination of gauge zero <\/td>\n<\/tr>\n
131<\/td>\n10.4 Discharge formulae \u2014 General
10.5 Formula for all notch angles between \u03c0\/9 and 5 \u03c0\/9 radians (20\u00b0 and 100\u00b0)
10.5.1 Kindsvater-Shen formula
10.5.2 Evaluation of Cd and kh <\/td>\n<\/tr>\n
133<\/td>\n10.5.3 Practical limitations on \u03b1, h\/p, p\/B, h and p
10.6 Formula for specific notch angles (fully-contracted weir) <\/td>\n<\/tr>\n
134<\/td>\n10.7 Accuracy of discharge coefficients \u2014 Triangular-notch weirs
11 Uncertainties of flow measurement
11.1 General <\/td>\n<\/tr>\n
135<\/td>\n11.2 Combining measurement uncertainties <\/td>\n<\/tr>\n
136<\/td>\n11.3 Uncertainty of discharge coefficient, u*(Cd), for thin-plate weirs <\/td>\n<\/tr>\n
137<\/td>\n11.4 Uncertainty budget
12 Example
12.1 General
12.2 Characteristics \u2014 Gauging structure <\/td>\n<\/tr>\n
138<\/td>\n12.3 Characteristics \u2014 Gauged head instrumentation
12.4 Discharge coefficient
12.5 Discharge estimate
12.6 Uncertainty statement <\/td>\n<\/tr>\n
141<\/td>\nAnnex A (informative) Flow measurement with small weir tanks <\/td>\n<\/tr>\n
143<\/td>\nAnnex B (normative) Guide to the design and installation of a flow straightener <\/td>\n<\/tr>\n
145<\/td>\nAnnex C (informative) Introduction to measurement uncertainty <\/td>\n<\/tr>\n
153<\/td>\nAnnex D (informative) Sample measurement performance for use in hydrometric worked examples <\/td>\n<\/tr>\n
156<\/td>\nAnnex E (informative) Specimen tables <\/td>\n<\/tr>\n
171<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Hydrometry. Open channel flow measurement using thin-plate weirs<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n175<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":294259,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[265,2641],"product_tag":[],"class_list":{"0":"post-294251","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-120-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/294251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/294259"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=294251"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=294251"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=294251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}