EFFECTS OF TEMPERATURE-DEPENDENT FLUID PROPERTIES ON HEAT-TRANSFER DUE TO AN AXISYMMETRIC IMPINGING GAS-JET NORMAL TO A FLAT SURFACE

被引：11
作者：
AIHARA, T
KIM, JK
MARUYAMA, S
机构：
[1] Institute of Fluid Science, Tohoku University, Sendai, 980, 2-1-1 Kathira, Aoba-ku
来源：
WARME UND STOFFUBERTRAGUNG-THERMO AND FLUID DYNAMICS | 1990年 / 25卷 / 03期
关键词：
D O I：
10.1007/BF01590145
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Heat transfer due to an axisymmetric laminar gas jet impinging onto a flat solid surface of uniform temperature is studied numerically, taking into account the temperature dependence of all fluid physical properties. Numerical solutions are obtained for the jet Reynolds numbers 200-2000, jet mouth-to-surface distances 1-4 times the jet nozzle diameter, and for helium-4, air, and carbon dioxide. Effects of the temperature dependence of the fluid properties are investigated using various kinds of reference temperatures and a viscosity correction method. A method of estimating the values of the local Nusselt number for temperature-dependent fluid from the constant-property solutions is proposed. © 1990 Springer-Verlag.
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页码：145 / 153
页数：9
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