Void Fraction and Vapor and Liquid Temperatures: Local Measurements in Two-Phase Flow Using a Microthermocouple

[+] Author and Article Information
J. M. Delhaye, R. Semeria, J. C. Flamand

Heat Transfer Laboratory, Nuclear Research Center, Grenoble, France

J. Heat Transfer 95(3), 365-370 (Aug 01, 1973) (6 pages) doi:10.1115/1.3450065 History: Received April 10, 1972; Revised November 20, 1972; Online August 11, 2010


A technique is described which enables the detection of the phase (liquid or vapor) in steam-water two-phase flow and the temperature measurement of each phase, using the hot junction of a microthermocouple. The signals are processed with a multichannel analyzer in order to obtain the amplitude histograms of the temperature. Significant results are obtained in pool boiling, forced convection subcooled boiling, and flashing flow of water.

Copyright © 1973 by ASME
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