BS ISO 1088:2007
液体比重测定法.使用测流计的速度面积法.流量测量中不确定度测定用数据收集和处理

Hydrometry. Velocity-area methods using current-meters. Collection and processing of data for determination of uncertainties in flow measurement

标准号

BS ISO 1088:2007

发布

2007年

发布单位

英国标准学会

当前最新

BS ISO 1088:2007

 

 

被代替标准

05/30134787 DC:2005 BS 3680-3F:1986

适用范围

This International Standard provides a standard basis for the collection and processing of data for the determination of the uncertainties in measurements of discharge in open channels by velocity-area methods using current-meters. To determine the discharge in open channels by the velocity-area method, components of the flow (velocity, depth and breadth) need to be measured. The component measurements are combined to compute the total discharge. The total uncertainty in the computed discharge is a combination of the uncertainties in the measured components. Clause 4 of this International Standard deals with the types of errors and uncertainties involved. Clauses 5 and 6 present a standard procedure to estimate the component uncertainties by the collection and processing of the necessary data. This International Standard is intended to be applied to velocity-area methods that involve measurement of point velocities at a relatively small number of discrete depths and transverse positions in the flow crosssection, as described in ISO 748. This International Standard is not intended to be applied to measurements made by Acoustic Doppler Velocity Profilers (ADVP) or other instruments that produce essentially continuous velocity profiles of the flow field.

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