• EFFECT OF QUADRATIC DENSITY TEMPERATURE VARIATION ON UNSTEADY CONVECTIVE HEAT AND MASS TRANSFER FLOW IN A VERTICAL CHANNEL WITH TRAVELLING THERMAL WAVE

S. Venkata Rami Reddy*, G. Viswanatha Reddy

Abstract


In this paper, we make an attempt to investigate the unsteady convective Heat transfer flow of a viscous fluid through a porous medium in a vertical channel on whose walls a traveling thermal wave is imposed with quadratic temperature variation. As the governing equations are non-linear in nature, by taking the aspect ratiod as a perturbation parameter the governing equations are solved by using Regular perturbation scheme. The velocity, temperature, stress and rate of heat transfer on y = ± L are evaluated numerically for different variations of G, R, D-1, Sc, S0, N, N1 and x + gt.


Keywords


Heat and mass transfer, Velocity, Temperature, Stress and rate of heat transfer.

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