Device and method for measuring velocity profiles in a multiphas

Details Device and method for measuring velocity profiles in a multiphas Device and method for measuring velocity profiles in a multiphas

1995-06-07

1998-08-11

Biegel, Ronald L.

Measuring and testing

Volume or rate of flow

Of selected fluid mixture component

73861, G01F 166

Patent

active

057929629

ABSTRACT:
A method for measuring the velocity of at least a liquid phase and at least a gas phase of a multiphase medium flowing in a volume is disclosed. A first wave is transmitted at a given frequency f1 selected as a function of the liquid phase through at least part of the multiphase medium. At least one parameter, characteristic of a part of the first wave which is disturbed and diffused by the flowing medium is measured. A second wave is transmitted at a given frequency f2 selected as a function of the liquid phase through at least part of the multiphase medium. At least one parameter, characteristic of a part of the second wave which is disturbed and diffused by the flowing medium is measured. At least one measured parameter is processed using the Doppler effect. A velocity field of the liquid phase and/or the gas phase is determined for a given section of the volume in response to the processed at least one parameter.

REFERENCES:
patent: 4236406 (1980-12-01), Reed et al.
patent: 4402230 (1983-09-01), Raptis
patent: 4532812 (1985-08-01), Birchak
patent: 4884457 (1989-12-01), Hatton
patent: 4976154 (1990-12-01), Schneider et al.
patent: 5049823 (1991-09-01), Castel et al.
patent: 5150061 (1992-09-01), Castel et al.
Karplus, H.B. and A.C. Raptis, Flow measurement of dense slurries using the sonic doppler principle, Sep. 1978 Ultrasonics Symposium Proc., Cherry Hill, N.J., USA.

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