NATURAL CONVECTION NEAR A VERTICAL PLATE IN A POROUS MEDIUM WITH RAMPED WALL TEMPERATURE

R. K. Deka*, S. K. Das

Abstract


Exact solution of unsteady natural convection flow past an infinite vertical plate with ramped wall temperature has been obtained. The dimensionless governing equations of the fluid flow are solved by Laplace-transform technique. The solutions for velocity, temperature are obtained and shown graphically for different physical parameters involved. Also, the variations of wall skin friction as well as Nusselt number with time have been presented graphically.

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