Abstract
An analytical study was conducted in order to examine the role of convection and inertia on close contact melting of a phase change material (PCM) resting on a sliding heated plate. Results indicate that for high Prandtl substances, inertia has no effect on contact melting regardless of the magnitude of the melt layer Reynolds number Re. Convection however, enhances contact melting and its effect is increasingly perceptible for Re>10 2. Viscous dissipation may be ignored as long as Re<10 4 and the Stefan number Ste⩾0.001. On the other hand, for low Prandtl substances, both convection and inertia influence contact melting. Convection enhances melting while inertia hinders it. The effect of inertia is further accentuated as the Prandtl number becomes smaller. Viscous dissipation remains negligible as long as Re<10 6 and Ste⩾0.001.
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