Apparatus and method for determining the quantity of gas bubbles

Details Apparatus and method for determining the quantity of gas bubbles Apparatus and method for determining the quantity of gas bubbles

1986-04-16

1988-08-16

Levy, Stewart J.

Measuring and testing

Vibration

By mechanical waves

73 61R, 73627, G01N 2900

Patent

active

047635258

ABSTRACT:
A method and apparatus for measuring the quantity of bubbles in a gas/liquid mixture. An ultrasonic wave is launched into the mixture and the magnitudes of two reflected waves are measured and compared. The logarithm of the magnitudes of the reflected waves is a measure of the quantity of gas content. The method and apparatus are suitable for measuring gas bubble content repetitively in a mixture turbulently flowing through a conduit.

REFERENCES:
patent: 3240674 (1966-03-01), Ledwidge
patent: 3381525 (1968-05-01), Kartluke et al.
patent: 3622958 (1971-11-01), Tucker et al.
patent: 4527420 (1985-07-01), Foote
"An Ultrasonic Void Fraction Detector Using Compressional Stress Waves in a Wire Helix" by A. E. Arave; Pub. Oct. 1970.

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