Transient entropy analysis of the magnetohydrodynamics flow of a Jeffrey fluid past an isothermal vertical flat plate

This study presents the analysis of entropy generation concept for unsteady magnetohydrodynamics Jeffrey fluid flow over a semi-infinite vertical flat plate. This physical problem is constituted by transient coupled highly nonlinear equations and is evaluated numerically by using an implicit scheme....

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Vydáno v:Pramāṇa Ročník 91; číslo 5; s. 1 - 11
Hlavní autoři: Kumar, Mahesh, Reddy, G Janardhana, Dalir, Nemat
Médium: Journal Article
Jazyk:angličtina
Vydáno: New Delhi Springer India 01.11.2018
Springer Nature B.V
Témata:
Astronomy
Astrophysics and Astroparticles
Computational fluid dynamics
Entropy
Flat plates
Fluid flow
Grashof number
Magnetic properties
Magnetohydrodynamics
Nonlinear equations
Observations and Techniques
Parameters
Physical properties
Physics
Physics and Astronomy
Steady state
Viscosity
Wall shear stresses
Jeffrey fluid
implicit method
44.25.+f
vertical plate
magnetohydrodynamics
05.70.−a
52.30.Cv
entropy generation
47.00
ISSN:0304-4289, 0973-7111
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Popis
Shrnutí:This study presents the analysis of entropy generation concept for unsteady magnetohydrodynamics Jeffrey fluid flow over a semi-infinite vertical flat plate. This physical problem is constituted by transient coupled highly nonlinear equations and is evaluated numerically by using an implicit scheme. The average values of wall shear stress and Nusselt number, entropy generation number and Jeffrey fluid-flow variables are analysed for distinct values of physical parameters at both transient and steady states. The results show that the time needed for achieving a steady state pertaining to the temperature and velocity gets augmented with the increased values of Jeffrey fluid parameter. The results also specify that the entropy generation number increases with the increasing values of Jeffrey fluid parameter, group parameter and Grashof number while the opposite trend is seen for the magnetic parameter.
Bibliografie:ObjectType-Article-1
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content type line 14
ISSN:0304-4289
0973-7111
DOI:10.1007/s12043-018-1628-8