Method and apparatus for determining fluid density and mass...

Details Method and apparatus for determining fluid density and mass... Method and apparatus for determining fluid density and mass...

G - Physics

01

F

349/39

G01F 1/66 (2006.01) G01F 1/32 (2006.01)

Patent

CA 1139421

ABSTRACT OF THE DISCLOSURE This disclosure describes a method and appa- ratus for using a single sensor to determine the relative velocity between an object and a fluid stream, the average temperature, pressure and/or density or the fluid stream, and thereby the mass flow of the fluid stream. Select properties or a signal, such as a sonic signal, directed through a vortex street are detected using modifications of existing single sensor vortex volumetric flowmeter methods and apparatus. The modifications facilitate the measurement or mass flow by measurements of the relative energy of the signal and the temperature of the fluid as ascertained from the time delay in signal passage from a signal direct- ing means ? to a signal receiving means.

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