Boundary layer with asymptotic favourable pressure gradient

被引：14
|
作者：
Volchkov, E. P. [1 ]
Makarov, M. S. [1 ]
Sakhnov, A. Yu. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, SS Kutateladze Inst Thermophys, Novosibirsk 630090, Russia
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2010年 / 53卷 / 13-14期
关键词：
Favourable pressure gradient; Asymptotic flow; Sink flow; FLOW; TRANSITION; TURBULENCE; SUCTION;
D O I：
10.1016/j.ijheatmasstransfer.2010.02.014
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Numerical and analytical investigation of favourable pressure gradient influence on the characteristics of dynamic boundary layer is presented in this work It is shown that at certain value of pressure gradient in the laminar boundary layer asymptotic conditions are reached, when skin-friction coefficient has no dependence on Reynolds number as at asymptotic suction of the boundary layer through the porous wall. There is some analogy between these two cases of the flow: both at the suction through the porous wall and in the boundary layer of the accelerated flow there is cross-flow directed from the outer boundary to the wall. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2837 / 2843
页数：7
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