Magnetohydrodynamics Thermocapillary Marangoni Convection Heat Transfer of Power-Law Fluids Driven by Temperature Gradient

被引：47
|
作者：
Lin, Yanhai [1 ,2 ]
Zheng, Liancun [1 ]
Zhang, Xinxin [2 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Math & Phys, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China
来源：
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 2013年 / 135卷 / 05期
关键词：
power-law fluid; Marangoni convection; MHD; modified Fourier law; MIXED CONVECTION; SURFACE; FILM; INSTABILITY; SIMULATION; GENERATION;
D O I：
10.1115/1.4023394
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper presents an investigation for magnetohydrodynamics (MHD) thermocapillary Marangoni convection heat transfer of an electrically conducting power-law fluid driven by temperature gradient. The surface tension is assumed to vary linearly with temperature and the effects of power-law viscosity on temperature fields are taken into account by modified Fourier law for power-law fluids (proposed by Pop). The governing partial differential equations are converted into ordinary differential equations and numerical solutions are presented. The effects of the Hartmann number, the power-law index and the Marangoni number on the velocity and temperature fields are discussed and analyzed in detail.
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页数：6
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