An asymptotic study of heat transfer in the entrance region of turbulent channel and pipe flows

被引：3
|
作者：
Voigt, M
Herwig, H
机构：
[1] TU CHEMNITZ ZWICKAU,D-09126 CHEMNITZ,GERMANY
[2] RUHR UNIV BOCHUM,INST THERMO & FLUIDDYNAM,D-44780 BOCHUM,GERMANY
来源：
HEAT AND MASS TRANSFER | 1995年 / 31卷 / 1-2期
关键词：
D O I：
10.1007/BF02537423
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The basic equations for turbulent entrance flow are deduced from an asymptotic expansion of the Navier-Stokes equations and the thermal energy equation for Re --> infinity. Together with a turbulence model they can be solved numerically. Solutions are independent of the Reynolds and Prandtl number. Based on theses solutions, the skin friction and heat transfer as well as velocity and temperature profiles can be determined for finite Reynolds numbers and Prandtl numbers O(1).
引用
收藏
页码：65 / 76
页数：12
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