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BS 3680-3D:1980

Current

Current

The latest, up-to-date edition.

Measurement of liquid flow in open channels. Stream flow measurement Moving-boat method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-10-1980

€271.12
Excluding VAT

National foreword
Cooperating organizations
Methods
1 Scope and field of application
2 References
3 Definitions
4 Units of measurement
5 General
6 Principle of the moving-boat method
7 Limitations
8 Equipment
9 Measurement procedures
10 Computation of discharge
11 Accuracy of flow measurement
Annexes
A Description of the instruments and the functions of
    the crew members
B A step-by-step outline of the computation procedure
    which refers to the examples of measurement notes
    for method 1 and method 2 shown in tables 1 and 2
    respectively as a guide to the computer
Tables
1 Sample of computation notes of a moving-boat
    measurement - Method 1
2 Sample of computation notes of a moving-boat
    measurement - Method 2
3 Rating table for moving-boat meter No. 2-4
4 Table of lb, in metres
5 Sine of angle alpha
Figures
1 Sketch of stream with markers
2 General diagrams of velocity vectors
3 Definition sketch of midsection method of
    computation superimposed over a facsimile of an
    echo-sounder chart
4 Discharge hydrograph prepared from current meter
    measurements and showing moving-boat check
    measurements; Hudson river at Poughkeepsie, N.Y.,
    August 30, 1966
5 Typical control panel of rate indicator and counter
    - Method 1
6 Comparison of actual and computed values of
    incremental widths
7 Comparison for deviations from cross-section or in
    the direction of flow
8 Sketch of boat showing equipment - Method 1

Gives the methods of measuring discharge in large rivers and estuaries by the moving-boat method. General description of the various procedures and equipment used and the method of computation of discharge.

Committee
CPI/113
DevelopmentNote
Also numbered as ISO 4369 Supersedes 77/26415 DC (07/2005) Reviewed and confirmed by BSI, June 2009. (05/2009)
DocumentType
Standard
Pages
36
PublisherName
British Standards Institution
Status
Current

This International Standard specifies methods for measuring discharge in large rivers and estuaries by the moving-boat technique. In the following sections procedures applicable to this method and the general requirements of equipment are covered. A complete facsimile example of computation of a moving boat measurement is given in the annexes.

Standards Relationship
UNE 20060-3R:1995 Identical

BS 3680-2A:1964 Measurement of liquid flow in open channels. Dilution methods Constant rate injection
BS 3680-8A:1973 Measurement of liquid flow in open channels. Measuring instruments and equipment Current meters incorporating a rotating element
BS 3680-6:1995 Measurement of liquid flow in open channels Guide to measurement of flow in tidal channels
BS 3680-6:1973 Measurement of liquid flow in open channels Measurement of flow in tidal channels
BS 3680-3B:1997 Measurement of liquid flow in open channels. Stream flow measurement Guide for the establishment and operation of a gauging station
BS 3680-7:1971 Measurement of liquid flow in open channels The measurement of liquid level (stage)
BS 3680-5:1970 Methods of measurement of liquid flow in open channels. Slope area method of estimation

BS 3680-8B:1983 Measurement of liquid flow in open channels. Measuring instruments and equipment Recommendations for direct depth sounding and suspension equipment
BS 3680-3A:1980 Measurement of liquid flow in open channels. Stream flow measurement Velocity-area methods
ISO 4366:2007 Hydrometry — Echo sounders for water depth measurements
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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