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An experimental investigation of the thermal effect due to discharging of phase change material in a room fitted with a windcatcher
Sustainable Cities and Society ( IF 10.5 ) Pub Date : 2020-06-02 , DOI: 10.1016/j.scs.2020.102277
Peter Abdo , B. Phuoc Huynh , Ali Braytee , Rahil Taghipour

This paper investigates experimentally the effect of the Phase Change Material (PCM) discharging process as a passive cooling technique on the performance of a two sided windcatcher fitted on an acrylic chamber with dimensions 1250 × 1000 × 750 mm3. Four different models with different locations of PCM are studied, and the results are compared with each other and with a fifth model with No PCM. PCM is integrated respectively at the walls of the chamber, its floor and ceiling and also within the windcatcher’s inlet channel. Humidity, temperature and air velocity are monitored for each of the models studied. It is noted that with all the models containing PCM, the average humidity inside the chamber changed only slightly compared to the model with No PCM. The difference in humidity ranged between 0 and 3.88 % which indicates that the humidity variations are not significant. The model with the PCM located on the floor, ceiling and walls as well as in the windcatcher’s inlet channel has shown the best performance, with a significant minimum reduction of average temperature in the chamber of about 2.75 °C (approximately 9.33 %) compared with the model with No PCM.



中文翻译:

在装有挡风装置的房间中由于相变材料排放而产生的热效应的实验研究

本文通过实验研究相变材料(PCM)的放电过程作为被动冷却技术对安装在尺寸为1250×1000×750 mm 3的丙烯酸室上的双面捕风器性能的影响。研究了具有不同PCM位置的四种不同模型,并将结果与没有PCM的第五种模型进行了比较。PCM分别集成在腔室的壁,底板和顶棚以及捕风器的进气通道内。监测每个模型的湿度,温度和空气速度。注意,与不带PCM的型号相比,在所有带PCM的型号中,箱内的平均湿度仅略有变化。湿度差异介于0和3.88%之间,这表明湿度变化不明显。PCM位于地板,天花板和墙壁以及挡风装置进气通道上的模型表现出最佳性能,与之相比,室内平均温度降低了约2.75°C(约9.33%),这是最低的。没有PCM的模型。

更新日期:2020-06-02
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