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|Title:||Magnetohydrodynamics of viscous non-Newtonian fluids|
|Authors:||Desai, Megha I|
Timol, M G
|Abstract:||The motion of two dimensional boundary layer flow of electrically conducting non-Newtonian power-law fluids past semi-infinite plate in the presence of transverse magnetic field and electromagnetic field is studied. The introduction of external magnetic field and electromagnetic field adds couple of more terms in the equation of motion of fluids. The electromagnetic field plays an important role and prevents the existence of separation point in the MHD boundary layer. Using group-theoretic method, the similarity equations for present flow situation are derived. The proper form of transverse magnetic field and electromagnetic field strengths are derived systematically from similarity requirements. The similarity equations are non-linear ordinary differential equations solved using 'method of expansion of small parameter', and for the special form of free stream velocity. The skin frictions for both pseudoplastic and dilatant cases are investigated. It is observed that presence of electromagnetic field reduces the velocity of the fluids.|
|ISSN:||0975-1017 (Online); 0971-4588 (Print)|
|Appears in Collections:||IJEMS Vol.05(6) [December 1998]|
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