On the Contact Heat Transfer with Melting : 1st Report: Experimental Study

Abstract

The phase change process of a melting solid pressed on a hot heat transfer surface was investigated experimentally, as a basic research of the heat storage process in a latent heat TES (thermal energy storage) capsule. Along with measurements for various conditions, the physical parameters deciding the phenomena were analyzed, normalizing the basic equations and boundary conditions. It was shown as the result that the nondimensional heat flux expressed as a function of the Stefan number and the nondimensional contact pressure. Based on the experimental results, the relation among the bove nondimensional quantities was shown by a simple formula.