Measuring and testing – Volume or rate of flow – With indirect temperature or density compensation
Patent
1993-04-14
1994-10-25
Chilcot, Jr., Richard E.
Measuring and testing
Volume or rate of flow
With indirect temperature or density compensation
374 36, G01F 1504
Patent
active
053578090
ABSTRACT:
A method an apparatus for measuring a base condition volumetric flowrate of a pipeline gas flowing through a pipeline in which a pipeline gas flowrate is measured by a pipeline gas flowmeter; a volumetric correction ratio is derived by: measuring a sample gas flowrate of sample gas tapped from the pipeline, measuring an energy flowrate of the sample gas, measuring a heating value of the sample gas, and measuing a base condition density of the sample gas; and the base condition volumetric flowrate of the pipeline gas flowing through the pipeline is determined by adjusting the pipeline gas flowrate as measured by the pipeline gas flowmeter by the volumetric correction ratio. The temperature of the sample gas should be substantially the same as the pipeline gas in the pipeline when the sample gas flowrate is measured.
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Badger Meter Inc.
Chilcot Jr. Richard E.
Patel Harshad
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