The effects of urban microclimate on outdoor thermal sensation and neutral temperature in hot-summer and cold-winter climate
The effects of urban microclimate on outdoor thermal sensation and neutral temperature in hot-summer and cold-winter climate
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夏热冬冷气候下城市小气候对室外热感觉和中性温度的影响
DOI：
10.1016/j.enbuild.2016.06.086
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发表时间：
2016-09-15
影响因子：
6.7
通讯作者：
Deng, Qihong
中科院分区：
文献类型：
--
作者：
Liu, Weiwei;Zhang, Yingxia;Deng, Qihong
研究了4个重要的小气候参数对室外热感觉和中性温度的影响。对夏热冬冷地区长沙市6个典型公共空间进行了近2年的实地调查。在一天的调查期间（从9：00到18：00），在一个测量点连续测量室外空气温度、空气湿度、全球温度和风速。访问公共空间（测量地点附近）的人被随机邀请填写一份问卷，描述他们的热舒适感和其他重要的心理因素。基于7851个样本的野外实测数据，定量分析了人的室外热感觉与小气候参数的关系。进一步分析了小气候参数对室外热感觉和中性温度的影响。结果表明，室外小气候参数，特别是室外空气温度，对人的室外热感觉有重要影响。室外小气候参数的变化导致冬季室外中性温度变化最大。室外中性温度存在季节和地区差异，反映了不同的室外小气候条件下不同的热舒适要求。(C)2016爱思唯尔B.V.保留所有权利。
This study investigated the effects of four important microclimate parameters on outdoor thermal sensation and neutral temperature. A long term (almost 2 years) field investigation was conducted at six typical public spaces in Changsha China, with hot-summer and cold-winter climate. During a single investigation of one day (from 9:00 to 18:00), outdoor air temperature, air humidity, global temperature and wind speed were continuously measured at one measuring point. People visiting the public spaces (near the measuring site) were randomly invited to fill out a questionnaire describing their feelings of thermal comfort and other important psychological factors. Based on the field data (7851 samples), relationship between people's outdoor thermal sensation and the microclimate parameters were quantified. Further, the effect of the microclimate parameters on outdoor thermal sensation and neutral temperatures was analyzed. The results revealed that outdoor microclimate parameters, especially outdoor air temperature, play important roles on outdoor thermal sensation when people stay outdoors. The variation in outdoor microclimate parameters led to the biggest change of outdoor neutral temperature in winter. Seasonal and regional differences in outdoor neutral temperature were found, which reflects different thermal comfort requirements under distinct outdoor microclimate conditions. (C) 2016 Elsevier B.V. All rights reserved.