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由相变微胶囊与多孔调湿材料制备得到的复合相变调湿材料,兼具蓄热调热与湿缓冲双重效应,应用在建筑墙体构造中,能够同时调节室内空气温度、湿度,从而降低建筑能耗。本文首先基于热湿耦合传递理论,建立了能够计算包含相变过程的传热传湿模型——热湿耦合相变焓方法,并对其进行了检验验证;继而利用该方法,计算分析了复合相变调湿材料在两种典型气候条件下,建筑舒适性空调房间的应用效果。结果表明:材料能够有效减小室内温湿度波动;在干热、湿热气候区,可分别降低建筑能耗约28.8%、11.6%。
The phase change humidity control material prepared by the phase change microcapsules and the porous moisture-adjusting material has dual effects of heat storage, heat regulation and wet buffering, and can be applied to the construction of a building wall to simultaneously adjust the indoor air temperature and humidity. Reduce building energy consumption. Firstly, based on the heat-moisture coupled transfer theory, this paper established a heat and moisture transfer model that can be used to calculate the phase transition process—the heat-moisture coupled phase change method. It was tested and verified. Then, the method was used to calculate and analyze the composite. Phase change humidity control materials in two typical climate conditions, the application effect of building comfort air-conditioned room. The results show that the material can effectively reduce the indoor temperature and humidity fluctuations; in dry hot, hot and humid climate zones, the building energy consumption can be reduced by about 28.8% and 11.6%, respectively.