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Effect of non-uniform temperature gradient and magnetic field on onset of Marangoni convection heated from below by a constant heat flux
Authors:S P M Isa  N M Arifin  R Nazar  M N Saad
Institution:1. Institute for Mathematical Research, Universiti Putts Malaysia,43400 UPM Serdang, Selangor, Malaysia
2. School of Mathematical Sciences, Universiti KebangsaanMalaysia, 43600 UKM Bangi, Selangor, Malaysia
Abstract:This paper investigates the effect of non-uniform temperature gradient and magnetic field on Marangoni convection in a horizontal fluid layer heated from below and cooled from above with a constant heat flux. A linear stability analysis is performed. The influence of various parameters on the convection onset is analyzed. Six non-uniform basic temperature profiles are considered, and some general conclusions about their destabilizing effects are presented.
Keywords:Marangoni convection  non-uniform temperature  magnetic field
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