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	Buoyancy effects on MHD stagnation point flow and heat transfer of a nanofluid past a convectively heated stretching/shrinking sheet
	Makinde, O. D. ; Khan, W. A. ; Khan, Z. H.
	2013
关键词	Nanofluid Buoyancy force MHD Convective heating Stretching sheet Stagnation point flow BOUNDARY-LAYER-FLOW VERTICAL PLATE SURFACE FLUID
英文摘要	This paper analyzes the combined effects of buoyancy force, convective heating, Brownian motion, thermophoresis and magnetic field on stagnation point flow and heat transfer due to nanofluid flow towards a stretching sheet. The governing nonlinear partial differential equations are transformed into a system of coupled nonlinear ordinary differential equations using similarity transformations and then tackled numerically using the Runge-Kutta fourth order method with shooting technique. Numerical results are obtained for dimensionless velocity, temperature, nanoparticle volume fraction, as well as the skin friction, local Nusselt and Sherwood numbers. The results indicate that dual solutions exist for shrinking case. The effects of various controlling parameters on these quantities are investigated. It is found that both the skin friction coefficient and the local Sherwood number decrease while the local Nusselt number increases with increasing intensity of buoyancy force. (C) 2013 Elsevier Ltd. All rights reserved.; Thermodynamics; Engineering, Mechanical; Mechanics; SCI(E); EI; 59; ARTICLE; 1; 526-533; 62
语种	英语
出处	EI ; SCI
出版者	国际传热与传质杂志
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/222408]
专题	数学科学学院
推荐引用方式 GB/T 7714	Makinde, O. D.,Khan, W. A.,Khan, Z. H.. Buoyancy effects on MHD stagnation point flow and heat transfer of a nanofluid past a convectively heated stretching/shrinking sheet. 2013-01-01.

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