Unsteady three dimensional flow of thin liquid film due to the stretching of a surface

被引：2
|
作者：
Dandapat, B. S. [1 ]
Singh, S. N. [1 ]
Singh, R. P. [1 ]
机构：
[1] Indian Stat Inst, Phys & Appl Math Unit, Kolkata 700108, W Bengal, India
来源：
ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK | 2009年 / 89卷 / 11期
关键词：
Stretching surface; liquid film coating; thin liquid film; three-dimensional laminar flow; fluid flow; asymptotic solutions; HEAT-TRANSFER CHARACTERISTICS; MASS-TRANSFER; FLUID; SHEET;
D O I：
10.1002/zamm.200700171
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Three-dimensional unsteady flow of thin liquid film over an impulsively stretching sheet is studied. Full 3D momentum equations are considered and solved analytically by using the singular perturbation technique to obtain an analytic expression for film thickness and liquid velocity inside the film. It. is found that the film thickness decreases as time increases and it is independent of the stretching strength b at which the sheet is stretched along the y direction. (C) 2009 WILEY-VCH Verlag GmbH & Co, KGaA, Weinheim
引用
收藏
页码：931 / 938
页数：8
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