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RESEARCH PAPERS

An Investigation of Heat Transport In Oscillatory Turbulent Subcooled Flow

[+] Author and Article Information
R. P. Roy

Nuclear Engineering Program, University of Illinois, Urbana, Ill.

G. Yadigaroglu

Department of Nuclear Engineering, University of California, Berkeley, Calif.

J. Heat Transfer 98(4), 630-637 (Nov 01, 1976) (8 pages) doi:10.1115/1.3450611 History: Received January 20, 1976; Online August 11, 2010

Abstract

An experiment has been conducted to investigate transient radial heat transport effects created by oscillatory flow in uniformly heated tubes. Departures from one-dimensional, quasi-steady-state behavior have been quantified in the frequency range of density-wave oscillations. The data show a substantial radial dependence of both the amplitude and the phase of the liquid temperature perturbations even at frequencies as low as 0.1 Hz. The orderly axial enthalpy perturbation propagation breaks down at frequencies above 0.5 Hz. These effects must be taken into consideration in predicting the behavior of the point of net vapor generation in a boiling channel under oscillatory flow conditions.

Copyright © 1976 by ASME
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