“…However, the interstitial heat transfer coefficients which are necessary in the two-temperature model are difficult to determine accurately, particularly at present there is no available models for the interstitial heat transfer between the metal foam and the static PCM (such as solid PCM or liquid PCM without motion). Further, the implementation of the two-temperature model is more difficult than the one-temperature model, especially if one should tackle with the heat flux continuity boundary condition between metal foam and a solid wall [10,29]. In comparison, the one-temperature model needs no interstitial heat transfer coefficients for closure and it is easier to implement numerically.…”