AREA MEASUREMENT, CHANNEL FLOW, DEPTH MEASUREMENT, DIMENSIONAL MEASUREMENT,ERROR ANALYSIS, ERROR CORRECTION, FIELD TESTING, FLOW MEASUREMENT, FLOW RATES,FLOWMETERS, ICE, LIQUID FLOW, RATE FLOWMETERS, RIVERS, STREAMS, VELOCITYMEASUREMENT, WATER
适用范围
This National Standard of Canada is equivalent to International Standard ISO
748:1979. This International Standard specifies methods for determining the velocity and
cross-sectional area of water flowing in open channels (with or without ice
cover), and or computing the discharge therefrom. It covers methods of employing current-meters and floats to measure the
velocities. Although, in most cases, these measurements are intended to
determine the stage-discharge relation by means of readings at several stages,
this International Standard deals only with single measurements of the
discharge; the continuous recording of discharges over a period of time is
covered in ISO 1100. NOTE - Measurements for the purpose of determining the discharge in efficiency
tests of hydraulic turbines are specified in IEC Publication 41, International
code for the field acceptance tests of hydraulic turbines.