17.120.20 明渠中流量的测量 标准查询与下载

AS 3778.4.10:1991 明渠流量测量．流量测量建筑物法．在矩形河槽上对自由溢流估算的末端深度法

Specifies a method for the estimation of sub-critical flow of water in smooth, straight, rectangular prismatic open channels with a vertical drop and discharging freely. It is technically identical with and reproduced from ISO 3847:1977.

Measurement of water flow in open channels - Measurement using flow gauging structures - End-depth method for estimation of flow in rectangular channels with a free overfall

AS 3778.5.2:1991 明渠流量测量．稀释法．积分法测量稳定流量

This Standard specifies methods for the measurement of water flow in channels under steady flow conditions by the dilution method using a known amount of tracer. It is technically identical with and reproduced from ISO 555-2:1987.

Measurement of water flow in open channels - Dilution methods - Integration method for the measurement of steady flow

AS 3778.5.3:2007 明渠中的水流测量．明渠以及部分填充管道中的液体流量．多普勒（Doppler）流量测定法的应用指南

This Standard is identical to and reproduced from ISO/TS 15769:2000, Hydrometric determinations-Liquid flow in open channels and partly filled pipes-Guidelines for the application of Doppler-based flow measurements.

Measurement of water flow in open channels - Liquid flow in open channels and partly filled pipes - Guidelines for the application of Doppler-based flow measurements

AS 3778.2.4:2007 明渠中的水流测量．一般要求．流率测量的误差估计

establishes general principles and describes procedures for evaluating the uncertainty of a fluid flow-rate or quantity.

Measurement of water flow in open channels - General - Estimation of uncertainty of a flow rate measurement

AS 3778.5.1:1991 明渠流量测量．稀释法．恒定速率注入法测量稳定流量

Specifies methods for the measurement of water flow in channels under steady flow conditions by the dilution method using constant-rate injection. It is technically identical with and reproduced from ISO 555-1:1973.

Measurement of water flow in open channels - Dilution methods - Constant-rate injection method for the measurement of steady flow