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本文以Fanger热舒适方程以及热舒适评价指标PMV为理论依据，对不同墙体结构、外围护结构面积、室外采暖温度的房间模型中各种不同位置的人体舒适性进行了计算分析，并计算出一定条件下保持人体热舒适所需的室内温度，着重揭示了冬季外围护结构内表面冷辐射对人体舒适性的影响，从而为暖通设计人员选择合理的室内采暖参数提供了理论依据。
Based on the theoretical analysis of Faner thermal comfort equation and thermal comfort index PMV, this paper calculates and analyzes the human comfort in different positions in different room structures, external protection structure area, and outdoor heating temperature in room model. The indoor temperature needed to keep the human body hot and comfortable under a certain condition is emphatically revealed the influence of cold radiation on the comfort of the human body in the outer surface of the winter external protective structure, thus providing a theoretical basis for the HVAC designer to select a reasonable indoor heating parameter.