The wall jet as limiting case of a boundary-layer flow induced by a permeable stretching surface

被引：14

作者：

Magyari, E ^{[1
]}

Keller, B ^{[1
]}

机构：

[1] ETH Zurich, Inst Bldg Technol, Chair Phys Bldg, CH-8093 Zurich, Switzerland

来源：

ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND PHYSIK | 2001年 / 52卷 / 04期

关键词：

wall jet; self-similar boundary layers; stretching surfaces; entrainment; scaling;

D O I：

10.1007/s00033-001-8136-1

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The self-similar steady boundary-layer flow induced by a permeable continuous surface stretching with velocity U-w (x) = A.x(-1/2) in a quiescent fluid in the presence of a lateral mass flux with suction velocity V-w (x) = - (vA/4)(1/2).x(-3/4). f(w) is considered. By making use of the exact analytic solution of the flow problem, it is shown that in the limiting case of a vanishing lateral mass flux ( f(w) --> 0) this stretching-induced flow goes over by an adequate scaling transformation in the well known wall-jet.

引用

页码：696 / 703

页数：8

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