A model for heat transfer in a shell-and-tube latent heat storage exchanger has beensolved numerically to predict the performance of heat exchanger. Model describing theunsteady freezing problem coupled to forced convection is built up. Effects of various pa-rameters, such as the inlet temperature, the velocity of fluid, the thickness of the pha-sechange material and the length of the pipes on the heat transfer performance of the unitwere discussed. Criterion for analyzing and evaluating the heat exchanger’s performance isalso proposed.
