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Effects of indoor humidity on building occupants' thermal comfort and evidence in terms of climate adaptation

机译：室内湿度对气候适应性占用者热舒适和证据的影响

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摘要

Similar as temperature, air humidity may affect people's thermal comfort and humidity adaptation may happen when people changing their living conditions. To provide evidence on both effect from humidity on people's thermal comfort and their humidity adaptation, a comparative study has been conducted in a controlled climate chamber. During the experiment, the air temperature was set as 25 degrees C and 28 degrees C respectively and the relative humidity was changing between 20% and 90%. There were twenty four participants involved in this experiment, with half living in High Humidity (HH) regions of China, such as Chongqing, for over 20 years, and another half recently moved to Chongqing from Low Humidity (LH) regions in northwestern China. During the experiment, mean skin temperature was measured as an objective important parameter and subjective questionnaires were used to subjectively collect people's sensations with respect to heat, humidity and sweating. The data collected demonstrated that people living in HH regions showed a better adaptive ability to humidity changes than those came from LH regions. Climate adaptation also reduced the sensitivity of HH subjects' thermal responses. When air humidity was over 70%, subjects started to show stronger thermal responses. Based on these results, an upper limit of humidity of 17 g/kg has been proposed for Chongqing, China. The results from this study will help to broaden the adaptive thermal comfort theory and can provide important references regarding to humidity control for buildings.
机译：与温度类似，当人们改变他们的生活条件时，空气湿度可能会影响人们的热舒适性和湿度适应。为了提供对人们热舒适度的湿度和湿度适应的效果的证据，在受控的气候室进行了比较研究。在实验期间，将空气温度分别设定为25℃和28℃，相对湿度在20％和90％之间变化。有二十四名参与者参与了这个实验，一半生活在中国的高湿度（HH）地区，如重庆，超过20年，最近从中国西北部的低湿度（LH）地区搬到重庆。在实验过程中，根据客观的重要参数测量平均皮肤温度，并且使用主观调查，以主观地收集人们的感觉，以及热量，湿度和出汗。收集的数据表明，生活在HH地区的人们表现出比来自LH地区的湿度变化更好的适应性。气候适应还降低了HH受试者热反应的敏感性。当空气湿度超过70％时，受试者开始显示出更强的热反应。基于这些结果，已经提出了中国重庆17克/千克的湿度上限。本研究的结果将有助于扩大自适应热舒适理论，可以为建筑物的湿度控制提供重要的参考。

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  • 来源
    《Building and Environment》 |2019年第5期|298-307|共10页
  • 作者

    Kong Deyu; Liu Hong; Wu Yuxin; Li Baizhan; Wei Shen; Yuan Mengwei;

  • 作者单位

    Chongqing Univ Minist Educ Joint Int Res Lab Green Bldg & Built Environm Chongqing 400045 Peoples R China|Chongqing Univ Minist Sci & Technol Natl Ctr Int Res Low Carbon & Green Bldg Chongqing 400045 Peoples R China;

    Chongqing Univ Minist Educ Joint Int Res Lab Green Bldg & Built Environm Chongqing 400045 Peoples R China|Chongqing Univ Minist Sci & Technol Natl Ctr Int Res Low Carbon & Green Bldg Chongqing 400045 Peoples R China;

    Chongqing Univ Minist Educ Joint Int Res Lab Green Bldg & Built Environm Chongqing 400045 Peoples R China|Chongqing Univ Minist Sci & Technol Natl Ctr Int Res Low Carbon & Green Bldg Chongqing 400045 Peoples R China;

    Chongqing Univ Minist Educ Joint Int Res Lab Green Bldg & Built Environm Chongqing 400045 Peoples R China|Chongqing Univ Minist Sci & Technol Natl Ctr Int Res Low Carbon & Green Bldg Chongqing 400045 Peoples R China;

    UCL Bartlett Sch Construct & Project Management London WC1E 7HB England;

    Chongqing Univ Minist Educ Joint Int Res Lab Green Bldg & Built Environm Chongqing 400045 Peoples R China|Chongqing Univ Minist Sci & Technol Natl Ctr Int Res Low Carbon & Green Bldg Chongqing 400045 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Air humidity; Climate adaptation; Humidity responses; Thermal sensitivity; Humidity limits;

    机译：空气湿度;气候适应;湿度响应;热敏度;湿度限制;

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