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BS 3680-4C:1981

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods of measurement of liquid flow in open channels. Weirs and flumes Flumes

Available format(s)

Hardcopy , PDF

Superseded date

05-30-2008

Language(s)

English

Published date

06-30-1981

Cooperating organizations
Foreword
1 Scope
2 References
3 Definitions and symbols
4 Characteristics of flumes
5 Selection of the type of flume
6 Installation
7 Maintenance: general requirements
8 Measurement of head
9 Determination of discharge
10 Rectangular-throated flumes
11 Trapezoidal-throated flumes
12 U-throated (round bottomed) flumes
13 Errors in flow measurement
Appendix A - Guide for the selection of weirs and flumes
             for the measurement of the discharge of water
             in open channels
Appendix B - Velocity distribution
Appendix C - Computation of discharge using boundary layer theory
Appendix D - Examples illustrating methods for the computation
             of discharge
Appendix E - Example of the computation of the overall
             uncertainty of discharge measurement
Appendix F - Determination of height of hump for
             rectangular-throated flumes
Publications referred to

Gives a method of measurement of flow in rivers and artificial channels under steady or slowly varying flow conditions using certain types of standing-wave (or critical depth flumes).

Committee
CPI/113
DevelopmentNote
Supersedes 79/25318 DC (07/2005)
DocumentType
Standard
Pages
58
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS 3680-2A:1964 Measurement of liquid flow in open channels. Dilution methods Constant rate injection
BS 3680-4D:1981 Methods of measurement of liquid flow in open channels. Weirs and flumes Compound gauging structures
BS 3680-4D:1989 Methods of measurement of liquid flow in open channels. Weirs and flumes Compound gauging structures
BS 3680-4A:1981 Methods of measurement of liquid flow in open channels. Weirs and flumes Method using thin-plate weirs
BS 6739:1986 Code of practice for instrumentation in process control systems: installation design and practice

BS 3680-1:1983 Measurement of liquid flow in open channels. Glossary of terms
BS 5844:1980 Methods of measurement of fluid flow: estimation of uncertainty of a flow-rate measurement

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