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首页> 外文期刊>Building and Environment >The CPMV index for evaluating indoor thermal comfort in buildings with solar radiation
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The CPMV index for evaluating indoor thermal comfort in buildings with solar radiation

机译：CPMV指数，用于评估带有太阳辐射的建筑物中的室内热舒适度

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摘要

The Predicted Mean Vote (PMV) developed by Fanger is the most widely used thermal comfort index for assessing indoor thermal environments. As the extensive use of the glass envelope in building design, the indoor thermal comfort is increasingly affected by the solar radiation. However, the original PMV has deviation in assessing the thermal comfort of solar radiation conditions, due to its neglect of solar radiation. Based on this defect, the Corrected Predicted Mean Vote (CPMV) index is proposed in this paper to evaluate the indoor thermal comfort in solar conditions. To validate the accuracy of CPMV, experimental studies have been conducted in three different types of transparent envelope buildings in Tianjin, North China. A total of 998 thermal responses from subjects were obtained in the summer and early autumn of 2017. The Thermal Sensation Vote (TSV) obtained from the subjects was used as the true value of thermal sensation. Data analysis reveals that the agreement between the PMV and TSV is poor, while the predicted values of CPMV agree quite well with the TSV. Compared with the PMV, the maximum deviation can be decreased by 79.5% with the CPMV method in evaluating the thermal comfort of solar conditions. Therefore, CPMV is validated to be applicable in evaluating the indoor thermal comfort in buildings with solar radiation.
机译：由Fanger开发的预测平均投票（PMV）是用于评估室内热环境的最广泛使用的热舒适指数。随着玻璃围护结构在建筑设计中的广泛使用，室内热舒适性越来越受到太阳辐射的影响。但是，由于原始PMV忽略了太阳辐射，因此在评估太阳辐射条件的热舒适性方面存在偏差。基于这一缺陷，本文提出了修正的预测平均投票（CPMV）指数，以评估日光条件下的室内热舒适度。为了验证CPMV的准确性，我们在中国北方的天津对三种不同类型的透明信封建筑进行了实验研究。在2017年夏季和秋季初，总共获得了998个受试者的热响应。从受试者获得的热敏投票（TSV）被用作热敏的真实值。数据分析表明，PMV和TSV之间的一致性差，而CPMV的预测值与TSV很好地吻合。与PMV相比，使用CPMV方法评估太阳条件的热舒适性时，最大偏差可减少79.5％。因此，CPMV经验证可用于评估带有太阳辐射的建筑物的室内热舒适性。

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