HVAC analysis of a building installed shape-stabilized phase change material plates coupling an active building envelope system

摘要

Shape-stabilized phase change material (SSPCM) plates combined with night ventilation in summer is investigated numerically. A building in Hsinchu, Taiwan without active air-conditioning is considered for analysis, which includes SSPCM plates as inner linings of walls the ceiling and floor, and an active building envelope system (ABE) is installed as well in the room becomes the Hybrid system. In the present study, a kind of floor with SSPCM is put forward which can absorb the solar radiation energy in the daytime or in summer and release the heat at night or in winter. In this paper, the thermal performance of a room using such floor, wall and ceiling were numerically studied. Results show that the average indoor air temperature of a room with the SSPCM floor was about 2 K to 4 K higher than that of the room without SSPCM floor, and the indoor air temperature swing range was narrowed greatly. This manifests that applying SSPCM in room suitably can increase the thermal comfort degree and save space heating energy in winter.