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International Heat Transfer Conference 3

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

AN ANALYSIS OF THE STEADY STATE AND STABILITY CHARACTERISTICS OF A NATURAL CIRCULATION BOILING CHANNEL

C. L. Spigt
Technological University of Eindhoven, The Netherlands

Fred J.M. Dijkman
Eindhoven University of Technology Laboratory for Heat Transfer and Reactor Engineering

J. F. Tummers
Technological University of Eindhoven. The Netherlands

M. Bogaardt
Technological University of Eindhoven. The Netherlands

DOI: 10.1615/IHTC3.490
pages 193-206

要約

The paper deals with studies in the field of stability in a vertical boiling channel in which heat is generated by an electrically heated element and transferred to water circulating by natural convection under pressures up to 30 atm. Experimental and theoretical studies regard the static performance as well as the dynamic characteristics of the boiling channel. The aim of the static programme is to yield correlations for slip and pressure drop in two-phase flow, whereas the dynamic programme has led to the establishment of conditions under which instabilities start and to the prediction of the stability characteristics of the steady state by hand of transfer functions. The mathematical model by Jahnberg is used for comparison with experimental results.

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