Abstract
Abstract In this research, the effect of phase change material (PCM) on indoor thermal comfortof a flat building located in five different climate regions of China was studied by an angle coefficient method and EnergyPlus. EnergyPlus was used to calculate temperatures of wall surfaces, and the angle coefficient method was used to calculate PMV (predicted mean vote) value located different indoor position. Based on the calculated PMV values for different distant to south wall, it can be known that phase change materials can obviously increase the time of the indoor PMV value within the range (-1, 1) in climate region of cold and mild. It can also reduce fluctuations of different location indoor PMV value. In climate regions of both hot summer and cold winter and hot summer and warm winter, there is little effect of phase change materials on PMV. Keywords: Indoor thermal comfort; PCM; PMV; Angle coefficient method
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