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

机译:形状稳定的相变材料板的HVAC数值分析,结合建筑物中的活动建筑围护系统

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Effect of 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. Unsteady simulation is performed using a verified enthalpy model, with time period covering the summer season. 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 the present 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.
机译:数值研究了形状稳定的相变材料(SSPCM)板与夏季夜间通风相结合的效果。可以考虑对台湾新竹的一栋没有主动空调的建筑物进行分析,其中包括SSPCM板作为墙壁,天花板和地板的内衬,并且在房间内还安装了主动建筑物围护系统(ABE),成为Hybrid系统。使用验证的焓模型执行不稳定的模拟,其时间范围涵盖夏季。在本研究中,提出了一种具有SSPCM的地板,该地板可以在白天或夏季吸收太阳辐射能,而在夜间或冬季则可以释放热量。本文对这种地板,墙壁和天花板的房间的热性能进行了数值研究。结果表明,具有SSPCM地板的房间的平均室内空气温度比没有SSPCM地板的房间的平均室内温度高2 K至4 K,并且室内空气温度波动范围大大缩小。这表明,在室内适当地使用SSPCM可以提高冬季的热舒适度并节省空间供暖能量。

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