Analytic solution to the micropolar-fluid flow through a semi-porous channel with an expanding or contracting wall

被引：12
|
作者：
Si, Xin-hui [1 ]
Zheng, Lian-cun [1 ]
Zhang, Xin-xin [2 ]
Chao, Ying [3 ]
机构：
[1] Univ Sci & Technol Beijing, Appl Sci Sch, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China
[3] Res Inst Chem Def, Beijing 102205, Peoples R China
来源：
APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION | 2010年 / 31卷 / 09期
基金：
中国国家自然科学基金;
关键词：
homotopy analysis method; micropolar fluid; expanding or contracting wall; porous channel; BOUNDARY-LAYER-FLOW; UNSTEADY FLOWS; HEAT-TRANSFER; SUCTION; INJECTION;
D O I：
10.1007/s10483-010-1343-6
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The flow of a micropolar fluid in a semi-porous channel with an expanding or contracting wall is investigated. The governing equations are reduced to ordinary ones by using similar transformations. To get the analytic solution to the problem, the homotopy analysis method (HAM) is employed to obtain the expressions for velocity fields. Graphs are sketched and discussed for various parameters, especially the effect of the expansion ratio on velocity and micro-rotation fields.
引用
收藏
页码：1073 / 1080
页数：8
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