BS ISO 748:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Measurement of liquid flow in open channels. Velocity-area methods
Hardcopy , PDF
English
15-10-1997
15-11-2000
1 Scope
2 Normative reference
3 Definitions
4 Principle of the methods of measurements
5 Selection and demarcation of site
6 Measurement of cross-sectional area
7 Measurement of velocity
8 Computation of discharge
9 Uncertainties in flow measurement
Annexes
A Correction for sag, pull, slope and temperature in
measurement of cross-section width by tape or wire
B Measurement across the cross-section
C Corrections for wetted length of wire when measuring
depths with wire not normal to surface
D Correction for drift
E Uncertainty of a velocity-area measurement
F Determination of mean velocity from float measurements
G Bibliography
Methods for determining the velocity and cross-sectional area of water flowing in open channels (with or without ice cover) and computing the discharge. It covers methods of employing current meters and floats to measure the velocities.
| Committee |
W/-
|
| DevelopmentNote |
SUPERSEDES BS 3680: PART 3A: 1980
|
| DocumentType |
Standard
|
| Pages |
48
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 748:2007 | Identical |
| ISO 772:1996 | Hydrometric determinations — Vocabulary and symbols |
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