Abstract
Three-dimensional pore-scale simulations of the melting process of phase change material (PCM) in a metal foam near a circular cylinder are conducted to investigate the thermal performance of PCM. The enthalpy-porosity method is employed to solve the melting process of PCM. The energy conservation equations for PCM and metal foam are solved by combining the thermal conditions at the PCM and metal foam interfaces. The present simulation demonstrates that the internal flow by the natural convection occurs along the metal foam structures and the metal foam with high thermal conductivity significantly enhances the melting process of PCM. The melting process is observed to occur uniformly down the circular cylinder due to the metal foam. The effects of metal foam fraction and location of circular cylinder on the thermal performance of PCM are investigated.
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