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Experimental study on coupling effect of indoor air temperature and radiant temperature on human thermal comfort in non-uniform thermal environment

机译：非均匀热环境中室内温度与辐射温度耦合对人体热舒适性影响的实验研究

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摘要

Indoor thermal environment is usually non-uniform in buildings with passive or active radiant surfaces, and strict constraints for thermal homogeneity would increase the difficulty of system design and cause unnecessary energy consumption. In order to explore the thermal comfort response characteristics in non-uniform environments, 20 subjects were recruited in this study to participate in a thermal comfort experiment in two types of non-uniform environments. The two non-uniform environments were created by different combinations of indoor air temperature and radiant temperature. In the first non-uniform environment, all the interior surface temperatures were equal, but the radiant temperature and air temperature were not equal (ANUE). The other type was a single surface non-uniform environment where the surface temperature of one interior surface and the air temperature were not equal (SNUE). Subjects' physiological parameters were measured and subjective evaluations were obtained by questionnaires. The results showed that in thermal neutral condition, the mean skin temperature was 33.6 degrees C under ANUE environment, while it was 33.8 degrees C-33.9 degrees C under SNUE environment. Based on the experimental results, thermal dissatisfied percentage (TDP) models for the two environments were proposed and evaluated by determination coefficient and Bayesian information criterion (BIC). According to the five different TDP levels (5%, 10%, 15%, 20%, 25%), coupling thermal comfort zone of indoor air temperature and surface temperature was classified into five hierarchies. The study has implications for the proper design of comfortable and energy saving non-uniform environments.
机译：在具有被动或主动辐射表面的建筑物中，室内热环境通常是不均匀的，并且严格限制热均匀性会增加系统设计的难度，并导致不必要的能耗。为了探索非均匀环境中的热舒适响应特性，本研究招募了20名受试者参加两种类型非均匀环境中的热舒适实验。这两种不均匀的环境是由室内空气温度和辐射温度的不同组合产生的。在第一个非均匀环境中，所有内表面温度均相等，但辐射温度和空气温度均不相等（ANUE）。另一种类型是单表面非均匀环境，其中一个内表面的表面温度和空气温度不相等（SNUE）。测量受试者的生理参数，并通过问卷获得主观评价。结果表明，在热中性条件下，在ANUE环境下皮肤平均温度为33.6摄氏度，而在SNUE环境下皮肤平均温度为33.8摄氏度至33.9摄氏度。基于实验结果，提出了两种环境下的热不满意率（TDP）模型，并通过确定系数和贝叶斯信息准则（BIC）对其进行了评估。根据五个不同的TDP水平（5％，10％，15％，20％，25％），室内空气温度和表面温度的耦合热舒适区分为五个层次。该研究对舒适，节能的非均匀环境的正确设计具有影响。

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