Measurement of clean water flow in closed conduits. Velocity-area method using current-meters in full conduits and under regular flow conditions has-hardcopy Clause 2 has been updated

Clause 2 has been updated and editorial changes have been made

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Measurement of clean water flow in closed conduits. Velocity-area method using current-meters in full conduits and under regular flow conditions has-hardcopy Clause 2 has been updated1 Scope This International Standard specifies a method for the determination of the volume flow rate in a closed conduit by means of the velocity area method using propeller type current meters under the following conditions: a) the velocity distribution is regular (see 6. 1. 2); b) the fluid is water which is clean or considered to be clean 1); c) the conduit is full; d) the flow is steady 2). It deals in particular with the technology and