scholarly journals MHD thermosolutal marangoni convection heat and mass transport of power law fluid driven by temperature and concentration gradient

AIP Advances ◽  
2015 ◽  
Vol 5 (8) ◽  
pp. 087160 ◽  
Author(s):  
Chengru Jiao ◽  
Liancun Zheng ◽  
Lianxi Ma
Keyword(s):  
Mass Transport ◽  
Power Law ◽  
Concentration Gradient ◽  
Marangoni Convection ◽  
Convection Heat ◽  
Power Law Fluid ◽  
Heat And Mass Transport

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

2013 ◽  
Vol 135 (5) ◽  
Author(s):  
Yanhai Lin ◽  
Liancun Zheng ◽  
Xinxin Zhang
Keyword(s):  
Heat Transfer ◽  
Temperature Gradient ◽  
Differential Equations ◽  
Power Law ◽  
Numerical Solutions ◽  
Marangoni Convection ◽  
Convection Heat Transfer ◽  
Temperature Fields ◽  
Convection Heat ◽  
Power Law Fluids

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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