Process and apparatus for determining the interfacial area in a

Details Process and apparatus for determining the interfacial area in a Process and apparatus for determining the interfacial area in a

1984-04-05

1986-02-04

Swisher, S. Clement

Measuring and testing

Gas content of a liquid or a solid

By vibration

73599, G01N 1300, G01N 2902

Patent

active

045677492

ABSTRACT:
Process for the determination of the interfacial area in a container containing a two-phase mixture incorporating a liquid phase and a gaseous phase flowing in the liquid phase in the form of bubbles. For a same path of a sequence of ultrasonic sound wave trains emitted at constant amplitudes in said container, the ratio of the mean values of the maximum amplitudes of the wave trains received after passing through the two-phase mixture and after passing through the liquid phase only is determined and the thus determined ratio is plotted on a calibration curve giving the interfacial area value as a function of this ratio.

REFERENCES:
patent: 2573390 (1951-10-01), Blanchard
patent: 3914984 (1975-10-01), Wade
patent: 4015464 (1977-04-01), Miller et al.
patent: 4327587 (1982-05-01), Docekal
Heisig et al, An Ultrasonic Bubble Detector, Instrument Society of America, preprint No. 11.1-1-64, Oct. 12-15, 1964.

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