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Published in:
2020 | OriginalPaper | Chapter
Investigation on Energy-Saving Walls of Houses in Rural Hangzhou
Authors : Nan Liang, Qiongxiang Kong, Ying Cao, Siyan Liu, Yan Yan
Published in: Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019)
Publisher: Springer Singapore
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Abstract
In this paper, for Hangzhou rural residential buildings with the three energy-saving walls, the external or internal insulation wall and green wall, the hourly heat gain and cooling/heating load were simulated by DesignBuilder. Then, the heat transfer performances of the three energy-saving walls in continuous and intermittent air conditioning mode were compared. The results show that the effects of the orientations of the three energy-saving walls have similar characteristics. The reduction rates of the annual cooling loads of the three energy-saving walls to the traditional wall in intermittent air conditioning mode are larger than those in continuous mode, and the indoor operative temperatures and cooling loads of green wall are the least in summer in both air conditioning modes. Moreover, the reduction rate of the annual heating cooling load of the green wall is smaller than that of its annual cooling load; however, it is opposite for the external and internal insulation walls.