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  • BS 3680-4C:1981

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    METHODS OF MEASUREMENT OF LIQUID FLOW IN OPEN CHANNELS - PART 4: WEIRS AND FLUMES - PART 4C: FLUMES

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-05-2008

    Language(s):  English

    Published date:  01-01-1981

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Provides the methods 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.

    General Product Information - (Show below) - (Hide below)

    Committee PCL/3
    Development Note Supersedes 79/25318 DC (07/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 3680-2A:1964 MEASUREMENT OF LIQUID FLOW IN OPEN CHANNELS - DILUTION METHODS - CONSTANT RATE INJECTION
    BS 3680-4D:1981 MEASUREMENT OF LIQUID FLOW IN OPEN CHANNELS - WEIRS AND FLUMES - COMPOUND GAUGING STRUCTURES
    BS 3680-4D:1989 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

    Standards Referencing This Book - (Show below) - (Hide below)

    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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