Development, mechanical properties and numerical simulation of macro encapsulated thermal energy storage concrete

Based on the better performance of epoxy coated LWA, further investigations were carried out. The macro encapsulated LA-LWA was found to be thermally stable and reliable. From outdoor thermal performance test, it was found that TESC room model was efficient in reducing indoor room temperature. Computer simulations for the room model were then performed. It was found that PCM integrated walls showed best thermal and energy performance. Among different cities, the thermal performance in Changsha city was the best. Finally, it was shown that the application of PCM in a typical public housing flat in Hong Kong is economically feasible with a payback period of 14 years.