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Home Archives Thermal Letter Officers Future meetings Assembly for International Heat Transfer Conferences

ISBN Print: 0-89116-130-9

ISSN: 2377-424X

International Heat Transfer Conference 6
August, 7-11, 1978, Toronto, Canada

BOILING HEAT TRANSFER FOR A PLANE WATER JET IMPINGING ON A HOT SURFACE

Get access DOI: 10.1615/IHTC6.860
pages 445-450

Abstract

Heat flux to a plane water jet impinging on a high temperature flat surface is measured at its stagnation point by a transient method. In the film and nucleate boiling regions, experiments are also made by a steady-state method. The results obtained by the two methods substantially agree. In the film boiling region, no liquid-solid contact is found. At the lower limit of the film boiling, incipience of liquid-solid contact is detected. The boiling curve obtained is not always monotonous from the minimum heat flux to the maximum, but has a 'shoulder' of nearly constant heat flux within a certain wall temperature range at some conditions. An analytical solution to the film boiling of an impinging liquid jet is performed by applying the two-phase boundary layer theory.
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