基于风速补偿的自然通风房间热舒适性模拟研究

摘要

为获得自然通风奈件下室内的热舒适评价方法,利用Fluent软件,根据杭州市典型室外气象参数确定边界条件,模拟居住建筑室外绕流场、室内通风场和温度场的分布规律；运用基于风速补偿的热适应性评价模型分析室内热舒适状况,并将此法与PMV模型结果对比,表明前者定义舒适的阈值较小,且正向偏离较大,后者则能较好反映自然通风房间的热环境.%Determining the boundary conditions on the basis of typical outdoor climatic parameters in Hangzhou, simulates outdoor air flow field and indoor ventilation field and temperature field in residential buildings by means of the Fluent software to obtain a thermal comfort evaluation method for indoor natural ventilation. Analyses indoor thermal comfort by the thermal adaptability evaluation model based on wind velocity compensation. Comparing the evaluating result of the method with that of PMV model, the result indicates that the thermal comfort threshold value by the former is less and the forward deviation is larger, and the latter can better reflect the thermal environment in natural ventilated rooms.