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Thermal radiation effect on flow and heat transfer of unsteady MHD micropolar fluid over vertical heated nonisothermal stretching surface using group analysis

Applied Mathematics and Mechanics • 2013
العودة
معلومات البحث
المؤلفون I. A. HASSANIEN, H.M.EL-HAWARY, M.A.A.MAHMOUD, R. G. ABDEL-RAHMAN, A.S.ELFESHAWEY
الكلمات المفتاحية thermal radiation, micropolar fluid, unsteady flow, group theoretic method, Chebyshev spectral method
المجلة العلمية Applied Mathematics and Mechanics
الناشر Not Available
المجلد 34
العدد 6
الصفحات 703–720
publication.type International
رابط البحث Not Available
المواد المرفقة Not Available
الملخص
The aim of this paper is to study the thermal radiation effects on the flow
and heat transfer of an unsteady magnetohydrodynamic (MHD) micropolar fluid over a
vertical heated nonisothermal stretching surface in the presence of a strong nonuniform
magnetic field. The symmetries of the governing partial differential equations are de-
termined by the two-parameter group method. One of the resulting systems of reduced
nonlinear ordinary differential equations are solved numerically by the Chebyshev spec-
tral method. The effects of various parameters on the velocity, the angular velocity, and
the temperature profiles as well as the skin-friction coefficient, the wall couple stress coefficient, and the Nusselt number are studied.