Magnetohydrodynamic flow of a Sisko fluid in annular pipe: A numerical study | Zendy

Khan Masood | Zendy; Abbas Qaisar | Zendy; Duru Kenneth | Zendy

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Magnetohydrodynamic flow of a Sisko fluid in annular pipe: A numerical study

Author(s) -

Khan Masood,

Abbas Qaisar,

Duru Kenneth

Publication year - 2009

Publication title -

international journal for numerical methods in fluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 112

eISSN - 1097-0363

pISSN - 0271-2091

DOI - 10.1002/fld.2068

Subject(s) - magnetohydrodynamic drive , mechanics , non newtonian fluid , magnetohydrodynamics , newtonian fluid , fluid dynamics , flow (mathematics) , shear thinning , generalized newtonian fluid , physics , magnetic field , rheology , thermodynamics , shear rate , quantum mechanics

This paper presents a numerical study for the unsteady flow of a magnetohydrodynamic (MHD) Sisko fluid in annular pipe. The fluid is assumed to be electrically conducting in the presence of a uniform magnetic field. Based on the constitutive relationship of a Sisko fluid, the non‐linear equation governing the flow is first modelled and then numerically solved. The effects of the various parameters especially the power index n , the material parameter of the non‐Newtonian fluid b and the magnetic parameter B on the flow characteristics are explored numerically and presented through several graphs. Moreover, the shear‐thinning and shear‐thickening characteristics of the non‐Newtonian Sisko fluid are investigated and a comparison is also made with the Newtonian fluid. Copyright © 2009 John Wiley & Sons, Ltd.

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