Measuring and testing – Volume or rate of flow – Combined
Reexamination Certificate
2008-06-24
2008-06-24
Thompson, Jewel (Department: 2855)
Measuring and testing
Volume or rate of flow
Combined
Reexamination Certificate
active
07389687
ABSTRACT:
A method and apparatus for measuring at least one characteristic of an aerated fluid flowing within a pipe is provided, wherein the method includes generating a measured sound speed, a measured density, a pressure and a gas volume fraction for the aerated fluid. The method also includes correcting the measured density responsive to the measured sound speed, the pressure and the gas volume fraction to generate a corrected density. The method further includes calculating a liquid phase density, determining whether the gas volume fraction is above a predetermined threshold value and generating a mass flow rate responsive to whether the gas volume fraction is above the predetermined threshold value.
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Gysling Daniel L.
Loose Douglas H.
CiDRA Corporation
Grillo Michael
Thompson Jewel
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