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A thermal comfort field study of naturally ventilated classrooms in Kharagpur, India

机译：印度Kharagpur自然通风教室的热舒适现场研究

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摘要

To assess occupant thermal comfort, field studies were carried out in naturally ventilated (NV) classrooms of Indian Institute of Technology Kharagpur. The location has a hot humid climate. Surveys were taken during both semesters over the academic year 2013-14. Results of the surveys gave a regression neutral temperature near 29 degrees C while preferred temperature was found to be 26.8 degrees C. Using student responses to thermal acceptability question, 80% occupant satisfaction was found between 22.1 and 31.5 degrees C operative temperature. Over the survey duration, nearly 79% of responses accepted their thermal environment. Analysis of thermal preference and thermal acceptability votes showed a distinct preference amongst occupants for cooler than neutral sensation. Diurnal variation of temperature that would be acceptable to 80% or more occupants was found to be a 4 degrees C wide band. Study of student actions during surveys showed that fans were brought into play' more often than windows. Variation of clothing showed strongest correlation with the day's minimum temperature. Overall, observations from the study showed broad comfort zones and significant level of occupant adaptation to the environment of NV classrooms. (C) 2015 Elsevier Ltd. All rights reserved.
机译：为了评估乘员的热舒适性，在印度技术学院Kharagpur的自然通风（NV）教室中进行了现场研究。该地区气候炎热潮湿。在2013-14学年的两个学期都进行了调查。调查结果显示中性温度接近29摄氏度，而优选温度为26.8摄氏度。使用学生对热可接受性问题的回答，在22.1至31.5摄氏度的工作温度之间，发现80％的乘员满意度。在调查期间，将近79％的受访者接受了他们的热环境。热偏好和热可接受性投票的分析显示，在居住者中，明显比中性感觉更偏冷。发现80％或更多的乘客可接受的温度的昼夜变化是4℃的宽带。在调查过程中对学生行为的研究表明，与窗口相比，使粉丝更多地参与娱乐活动。衣物的变化与当天的最低温度之间显示出最大的相关性。总体而言，该研究的观察结果表明，宽阔的舒适区和很大程度的乘员适应NV教室的环境。 （C）2015 Elsevier Ltd.保留所有权利。

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