Apparatus and technique for metering liquid flow

Details Apparatus and technique for metering liquid flow Apparatus and technique for metering liquid flow

1991-01-24

1997-05-13

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using differential pressure

73215, G01F 144

Patent

active

RE0355038

ABSTRACT:
The gravity flow of a liquid in an open pipe is metered during open channel flow, during surcharged flow, and during the transition between the two. A tubular venturi metering device is employed, and when during open channel flow, the liquid depth rises in the section of the pipe upstream from the device, the throat of the device fills with liquid substantially simultaneously with the upstream section of the pipe, so that during the transition, the device continues to provide a flow determination.

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BIF Technical Bulletin 110-P1 Aug. 1958 pp. 1 and 17.
Wenzel, "Meter for Sewer Measurements in Journal of Hydraulic Div.", Jan. 1975 pp. 115-131.

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