BURN-OUT HEAT TRANSFER IN UNSTEADY STATE HEAT GENERATION IN A CRYOGENIC FLUID.

被引：0
|
作者：
Pavlenko, A.N.
Chekhovich, V.Yu.
机构：
来源：
Heat transfer. Soviet research | 1986年 / 18卷 / 03期
关键词：
FLUIDS - Heat Transfer;
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摘要：
Measurements are presented of unsteady-state critical flux in step-wise and pulse regimes of heat generation on cylindrical heaters placed in nitrogen. It is shown that convection induced in a fluid by preliminary heat generation substantially increases the unsteady state critical heat flux. Based on the analysis of the motion pictures of the liquid boiling, a model is proposed to describe the mechanism of crisis origination in unsteady-state heat generation conditions which allows one to derive an analytical expression for the minimal critical heat flux.
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页码：83 / 94
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