AN ANALYSIS OF FILM BOILING OF A BINARY MIXTURE IN A POROUS-MEDIUM

A theoretical analysis is performed to outline the effect of diffusion phenomena on the film boiling heat transfer process from a vertical plate to a liquid mixture in a porous medium. With boundary layer approximations, the conservation laws are resolved by means of similarity transformations. The resulting set of differential equations is solved using a shooting technique. Heat transfer results are obtained for a range of operating conditions applied to a mixture of water and methanol. Experiments are conducted to verify the theoretical findings, and excellent agreement is found between theory and experiment.