Estimating the Adaptability of Phase Change Material Board on Building Envelope of Telecommunications Base Stations

摘要

A mathematical model about the energy storage/release of phase change material (PCM) board on building envelope was developed. Energy and mass efficiency (EME) was proposed to evaluate the performance of PCM board in telecommunication base stations (TBSs) located in various climatic regions in China. The influence on EME of parameters, including phase transition temperature of PCM, indoor and outdoor air temperatures and temperature differences between daytime and nighttime, was analysed. The optimal thickness of PCM board with optimal melting temperature increased with the increase of the heat transfer coefficient of building wall.