Hydrometry -- Open channel flow measurement using thin-plate weirs
适用范围：ISO 1438:2008 defines the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions. It in...
发布日期：2008-04-01 实施日期：2008-04-01
Measurement of liquid flow in open channels by weirs and flumes -- Streamlined triangular profile weirs
适用范围：Specifies methods for the measurement of the flow of water in open channels under steady flow conditions. The flow conditions considered are free flow, which is dependent on the upstream head only, and...
发布日期：1994-06-01 实施日期：1994-06-01
Measurement of liquid flow in open channels by weirs and flumes -- End depth method for estimation of flow in non-rectangular channels with a free overfall (approximate method)
适用范围：Specifies a method for the estimation of subcritical flow of clear water in smooth, essentially horizontal, straight open channels with a vertical drop and discharging freely. Gentle positive slopes no...
发布日期：1984-12-01 实施日期：1984-12-01
Liquid flow measurement in open channels by weirs and flumes -- End-depth method for estimation of flow in rectangular channels with a free overfall
适用范围：Specifies a method for the estimation of sub-critical flow of clear water in smooth, straight, rectangular prismatic open channels with a vertical drop and discharging freely. Using the measured depth ...
发布日期：1977-06-01 实施日期：1977-06-01
Durchfluss(mengen)messung in offenen Gerinnen. Horizontale Wehre mit abgerundeter Krone Measurement of Liquid Flow in Open Channels Part 4F:Weirs and Flumes:Round-Nose Horizontal Broad-Crested Weirs Me...
适用范围：Deals with the measurement of flow under steady flow conditions. Covers installation, maintenance, head measurement, design details, discharge equation, uncertainties in flow measurement and an example...
实施日期：1990-01-01
Fliessmessung in offenen Gerinnen. Messwehre und Messrinnen. Dreieckwehre mit breiter Ueberfallkante Measurement of Liquid Flow in Open Channels:Weirs and Flumes:V-Shaped Broad Crested Weirs Mesure de ...
适用范围：Method for the measurement of subcritical flow in small rivers and articifial channels.
实施日期：1986-01-01
Liquid flow measurement in open channels by weirs and flumes -- V-shaped broad-crested weirs
适用范围：Specifies a method for the measurement of subcritical flow in small rivers and artificial channels using V-shaped broad-crested weirs. Covers also selection of site and installation conditions, measure...
发布日期：1985-11-01 实施日期：1985-11-01
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