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通过对非供暖空调环境下人体热适应性的分析,确定体感温度为混合通风系统的调控目标参数。分析了夏热冬冷地区非人工冷热源热湿环境体感温度范围和评价等级,得出夏热冬冷地区不同室外空气温度下满足室内热舒适条件的混合通风量范围。采用实测和软件预测2种方式,对居住建筑混合通风量和自然通风量分别进行了定量分析。通过对需求通风量与自然通风量的对比,得出满足室内热舒适所需的机械通风量,确定了非供暖空调环境下混合通风系统的控制流程。
By analyzing the thermal adaptability of human body under the condition of non-heating and air-conditioning, the somatosensory temperature is determined as the control target parameter of the mixed ventilation system. The range of sensible temperature and evaluation level of hot and humid environment in non-artificial cold and hot sources in hot summer and cold winter area are analyzed. The range of mixed ventilation which satisfies indoor thermal comfort under different outdoor air temperature in hot summer and cold winter is obtained. Using the two methods of real measurement and software prediction, the quantitative analysis of mixed ventilation and natural ventilation in residential buildings were carried out respectively. By comparing the demand ventilation with the natural ventilation, the mechanical ventilation needed to meet the indoor thermal comfort is obtained, and the control flow of the hybrid ventilation system in the non-heating and air-conditioning environment is determined.