Analyzing the Flow and Heat Transfer of a Power-law Fluid over an Unsteadily Stretched Surface using a Modified Homotopy Perturbation Method

被引：1

作者：

Zheng, Lian-Cun ^{[1
]}

Chen, Chun-Xia ^{[1
]}

Zhang, Xin-Xin ^{[2
]}

Gao, Ying-Tao ^{[3
]}

机构：

[1] Univ Sci & Technol Beijing, Dept Math & Mech, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China

[3] Univ Sci & Technol Beijing, Sch Civil & Environm Engn, Beijing 100083, Peoples R China

来源：

INTERNATIONAL JOURNAL OF NONLINEAR SCIENCES AND NUMERICAL SIMULATION | 2010年 / 11卷 / 10期

关键词：

Power-law fluids; stretched surface; heat transfer; variable thermal conductivity; homotopy perturbation method; NON-NEWTONIAN FLUIDS; NONLINEAR PROBLEMS; MIXED CONVECTION; BOUNDARY-LAYER; BIFURCATION; EQUATIONS; WALL;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The flow and heat transfer of a power-law fluid over an unsteadily stretched surface with variable thermal conductivity is studied. The governing equations are reduced to a class of non-linear ordinary differential equations by means of similarity transformations and an approximate analytical solution is obtained by using a modified homotopy perturbation method. The effects of the various parameters (power-law index, unsteadiness parameter, Prandtl number and variable thermal conductivity) on the velocity and temperature fields are graphically illustrated and analyzed.

引用

页码：843 / 849

页数：7

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