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A field study of adaptive thermal comfort in primary and secondary school classrooms during winter season in Northwest China

机译：中国西北冬季中小学教室自适应热舒适的实地研究

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摘要

Current thermal comfort evaluation models are based on the average level of an entire society, which is difficult to use as a direct guide for the design of classroom thermal environments in primary and secondary schools. Research was made on a group of pupils during winter in rural areas in Northwest China to analyze their thermal comfort level and regulation of their thermal adaptability under controlled and uncontrolled environments. Using questionnaire surveys and field measurements, 781 sets of valid data in controlled conditions and 345 sets in uncontrolled conditions were collected. Along with the measured air temperature, relative humidity, air velocity, globe temperature, and clothing level, a significant difference was observed between the thermal sensation vote and predicted mean vote. The preferred temperature and comfortable temperature range were obtained by analyzing the actual percentage of dissatisfied pupils and their thermal expectations. The result subsequently indicated that the comfortable temperature ranges for 90% of the pupils was 13.0-18.0 degrees C. The upper limit of comfortable temperature was 3.0 degrees C lower than the lower limit of the current recommended international standard in winter, and the clothing insulation was approximately 0.5 do higher than the recommended value. By considering the influence of outdoor climate on the behavioral habits, psychological expectations, and physiological regulation, an adaptive thermal comfort model for primary and secondary school students in cold environments is proposed. The findings can serve as a guideline for the design and evaluation of heating systems in primary and secondary schools in rural areas.
机译：目前的热舒适评估模型基于整个社会的平均水平，这很难用作小学和中学设计的教室热环境的直指导。在中国西北部农村地区的一群学生上进行了研究，分析了它们在受控和不受控制的环境下的热舒适度和对热适应性的调节。使用问卷调查和现场测量，收集了781套在受控条件下的有效数据和345套在不受控制的条件下。随着测量的空气温度，相对湿度，空气速度，全球温度和衣物水平，在热敏感觉投票和预测平均投票之间观察到显着差异。通过分析不含溶解的瞳孔的实际百分比及其热预期，获得优选的温度和舒适的温度范围。结果随后表明，舒适的温度范围为90％的瞳孔为13.0-18.0℃。冬季当前推荐国际标准的下限舒适温度的上限为3.0摄氏度，以及服装绝缘比推荐值高约0.5。通过考虑户外气候对行为习性，心理期望和生理调节的影响，提出了一种冷环境中小学生的自适应热舒适模型。这些调查结果可以作为农村中小学加热系统的设计和评估的指导方针。

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  • 来源
    《Building and Environment》 |2020年第5期|106802.1-106802.14|共14页
  • 作者

    Jiang Jing; Wang Dengjia; Liu Yanfeng; Di Yuhui; Liu Jiaping;

  • 作者单位

    Xian Polytech Univ Sch Urban Planning & Municipal Engn 19 Jinhua South Rd Xian 710048 Peoples R China|Xian Univ Architecture & Technol State Key Lab Green Bldg Western China Xian 710055 Peoples R China;

    Xian Univ Architecture & Technol State Key Lab Green Bldg Western China Xian 710055 Peoples R China|Xian Univ Architecture & Technol Sch Bldg Serv Sci & Engn Xian 710055 Peoples R China;

    Xian Univ Architecture & Technol State Key Lab Green Bldg Western China Xian 710055 Peoples R China|Xian Univ Architecture & Technol Sch Bldg Serv Sci & Engn Xian 710055 Peoples R China;

    Xian Polytech Univ Sch Urban Planning & Municipal Engn 19 Jinhua South Rd Xian 710048 Peoples R China;

    Xian Univ Architecture & Technol State Key Lab Green Bldg Western China Xian 710055 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Indoor thermal environment; Adaptive thermal comfort; Field investigation; Classroom; Cold climate;

    机译：室内热环境;自适应热舒适;现场调查;教室;冷气候;

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