NDLI: Effects of variable fluid properties on natural convection of MHD fluid from a heated vertical wavy surface

Content Provider	Springer Nature Link
Author	Elgazery, Nasser S.
Copyright Year	2011
Abstract	In the present paper, the influence of temperature-dependent fluid properties, density, viscosity and thermal conductivity on MHD natural convection flow from a heated vertical wavy surface is studied. It is assumed that, the fluid density and the thermal conductivity vary as exponential and linear functions of temperature, respectively. However, the fluid viscosity is assumed to vary as a reciprocal of a linear function of temperature. The model analysis used here is more relevant to liquid flow. Using the appropriate variables, the wavy surface are transformed into a flat one. The transformed boundary layer equations are solved numerically, using implicit-Chebyshev pseudospectral method, for several sets of values of the physical parameters, namely, the temperature dependent fluid properties parameters, the magnetic parameter, the amplitude-wavelength ratio parameter, and the Prandtl number. The numerical values obtained for the velocity, temperature, shearing stress, and the Nusselt number are presented through graphs and tables for several sets of values of the parameters. The effects of the physical parameters on the flow and heat transfer characteristics are discussed. The results were compared with numerical solutions of previous works. The present results are found to be in good agreement.
Starting Page	1229
Ending Page	1245
Page Count	17
File Format	PDF
ISSN	00256455
Journal	Meccanica
Volume Number	47
Issue Number	5
e-ISSN	15729648
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-11-17
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wavy surface Variable fluid properties Implicit-Chebyshev pseudospectral method Mechanics Automotive Engineering Mechanical Engineering Civil Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Condensed Matter Physics Mechanical Engineering

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