NDLI: Effects of variable fluid viscosity on flow past a heated stretching sheet embedded in a porous medium in presence of heat source/sink

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Effects of variable fluid viscosity on flow past a heated stretching sheet embedded in a porous medium in presence of heat source/sink

Content Provider	Springer Nature Link
Author	Mukhopadhyay, Swati Layek, G. C.
Copyright Year	2011
Abstract	The boundary layer flow and heat transfer of a fluid through a porous medium towards a stretching sheet in presence of heat generation or absorption is considered in this analysis. Fluid viscosity is assumed to vary as a linear function of temperature. The symmetry groups admitted by the corresponding boundary value problem are obtained by using a special form of Lie group transformations viz. scaling group of transformations. These transformations are used to convert the partial differential equations corresponding to the momentum and the energy equations into highly non-linear ordinary differential equations. Numerical solutions of these equations are obtained by shooting method. It is found that the horizontal velocity decreases with increasing temperature-dependent fluid viscosity parameter up to the crossing-over point but increases after that point and the temperature decreases in this case. With the increase of permeability parameter of the porous medium the fluid velocity decreases but the temperature increases at a particular point of the sheet. Effects of Prandtl number on the velocity boundary layer and on the thermal boundary layer are studied and plotted.
Starting Page	863
Ending Page	876
Page Count	14
File Format	PDF
ISSN	00256455
Journal	Meccanica
Volume Number	47
Issue Number	4
e-ISSN	15729648
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-07-19
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Scaling group of transformations Temperature-dependent fluid viscosity Porous medium Stretching sheet Heat generation/absorption Mechanical Engineering Civil Engineering Mechanics Automotive Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Condensed Matter Physics Mechanical Engineering

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