Two-phase flowmeter

Details Two-phase flowmeter Two-phase flowmeter

1980-05-12

1982-01-26

Myracle, Jerry W.

Measuring and testing

Volume or rate of flow

Of selected fluid mixture component

G01F 174

Patent

active

043122345

ABSTRACT:
The present invention provides a flowmeter for measuring pressure drops indicative of the flowrates of the individual phases in a gas and liquid containing two-phase stream. Elements are provided for creating and measuring a frictional pressure drop in the two-phase flow. Elements are also provided for creating and measuring an acceleration pressure drop in the two-phase flow. Mathematical models are known in two-phase theory for correlating these pressure drop measurements with the flowrates of the individual phases. In a preferred mode of the invention the frictional pressure drop is measured across a twisted tape; the accelerational pressure drop is measured across a venturi downstream of the twisted tape, and the pressure drops are measured by pressure transducers. The meter also preferably measures the static pressure of the two-phase flow.

REFERENCES:
patent: 3488996 (1970-01-01), Pfrehm
patent: 4168624 (1979-09-01), Pichon

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