Abstract
The paper studies the unsteady free-convection flow near a moving infinite flat plate in a rotating binary mixture of an incompressible fluid. Both Soret (thermal diffusion), Dufour (diffusion-thermo) and radiation effects are considered when there is no chemical reaction. By imposing a time dependent perturbation on the constant plate temperature and concentration and assuming a differential approximation for the radiative flux, the coupled non linear problem is solved for the temperature and the concentration. First a critical value for the Soret was determined as 0.10 and the effects of Dufour, Soret and radiation show that while both Dufour and Soret have no effect on the temperature field, they both affect the concentration field with the Dufour causing an overwhelming increase and the Soret just a slight decrease. Furthermore radiation decreases both the temperature and concentration field. JONAMP Vol. 11 2007: pp. 533-543
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