Measuring and testing – Volume or rate of flow – Of selected fluid mixture component
Patent
1995-11-07
1997-05-27
Chilcot, Richard
Measuring and testing
Volume or rate of flow
Of selected fluid mixture component
7315242, G01F 168, G21B 4700
Patent
active
056334702
ABSTRACT:
A method of determining volumetric flow rates of gas and liquid in a highly inclined conduit. The method includes measuring the velocity the gas, measuring the velocity of the liquid, calculating a fractional amount of the cross-sectional area of the conduit occupied by the gas and occupied by the liquid, and calculating the volumetric flow rates from the measurements of velocity and from the calculated fractional amounts of the cross-sectional area of the conduit occupied by the gas and by the liquid. In a preferred embodiment, the gas velocity is measured by cross-correlating measurements of two spaced apart temperature sensors after momentarily heating the gas. In the preferred embodiment, the liquid velocity is measured by a spinner flowmeter.
REFERENCES:
patent: 4441362 (1984-04-01), Carlson
patent: 5396807 (1995-03-01), Dowty et al.
Chilcot Richard
Fagin Richard A.
Patel Harshad
Western Atlas International Inc.
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