The effects of natural convection and moving of solid PCM on melting heat transfer are compared.

In order to simulate the cooling of electronic devices by solid -liquid phase change materials (PCM ) the problem on two-dimensional melting heat transfer in a rectangularenclosure with discrete heat sources on one of its vertical walls has been solved numerically.

%) and Al-28%Mg-14%Zn alloys used for thermal energy storage applications,such as the specific heat capacity including solid and liquid state;the mass density in the temperature range 30～500℃;the melting temperature and the latent heat of fusion.

We report the calculated results of the latent heat of fusion Δμ ls and the melting temperature T m as a function of cluster size.

Experimental instrument of measuring the melting heat of ice by electrothemal method;

The thermal properties of trans-ferulic acid such as melting point,melting heat,decomposition temperature,and so on,were studied by DSC and DTA-TGA.

According to the data of the melting heat of iron, the author corrected the solidus of FeC binary phase diagram in the rich iron end,and according to the corrected solidus e-valuated the carbon content at point H in 0.

The fusion heat and the degree of crystallinity of the various composites were got by DSC and XRD, which were related to the tribological performance.