夏热冬冷气候区欠发达地区高校建筑冬季适应性热舒适研究
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作者单位:

1.遵义师范学院 工学院;2.重庆大学 土木工程学院;3.英国雷丁大学 建筑管理与工程学院,英国雷丁 RG AH

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TU 834.1 TU834.51

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Investigation on winter adaptive thermal comfort in university buildings in underdeveloped areas in hot summer and cold Winter zone of China
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Affiliation:

1.School of Engineering,Zunyi Normal University;2.School of Civil Engineering,Chongqing University;3.School of Construction Management and Engineering,University of Reading,Reading RG AH,UK

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    摘要:

    良好的室内热环境不仅有助于学习效率的提升,还有利于建筑节能。因此,在学校建筑内提供一个舒适的热环境具有重要意义。但是,目前对于学校建筑室内热环境和热舒适的研究主要集中在经济发达地区。类似的研究在经济欠发达地区还很匮乏。为了填补经济欠发达地区学校建筑室内热环境和人体热舒适了解的空白,本文以夏热冬冷气候区经济欠发达地区遵义的自然通风高校建筑为研究对象,通过开展现场调查和测试详细分析了该地区自然通风的高校建筑的冬季室内热湿环境和热舒适状况。并以此为基础对非物理因素(如经济水平、过去的热经历、热期望等)对人体热舒适的影响进行了探讨。结果表明:遵义地区自然通风高校建筑冬季室内热湿环境较为恶劣,38.3 %的受试者认为冬季室内温度是“凉”或“冷”的。实测热中性温度为17.36 °C,80 %可接受温度区间为14.97~20.69 °C,均比PMV预测模式下相应数值偏低。Griffiths模型预测的平均舒适温度为16. 88 °C。在非物理因素的作用下,遵义地区自然通风高校建筑冬季的热中性温度、可接受温度区间与出自同一气候区经济发达地区热舒适现场调查的相应结果比较均偏低。因此,遵义地区自然通风高校建筑在改善冬季室内热环境时可考虑能耗低的被动式措施,本研究进一步丰富了夏热冬冷地区高校建筑热舒适数据库,其发现对于欠发达地区高校建筑的设计,运营和维护均有指导意义。

    Abstract:

    The current findings that an appropriate indoor thermal environment in educational buildings benefits to both learning efficiency and building energy performance emphasize the importance of providing comfortable indoor thermal condition in these buildings. However, researches on thermal comfort in educational buildings are mainly conducted in developed areas rather than in underdeveloped areas. In order to fill the gap in the understanding of indoor thermal environment and thermal comfort of university buildings in underdeveloped areas, a field investigation was performed in naturally ventilated university buildings in underdeveloped area in hot summer and cold winter zone (HSCW) of China during the wintertime. The influence of non-physical factors (e.g. economic level, past thermal experience and thermal expectation, etc.) on thermal comfort is also explored. The results show that due to the poor winter indoor thermal condition, there are 38.3 % of subjects feel ‘cool’ or ‘cold’. The neutral temperature and 80 % acceptable temperature range are 17.36 ?C and 14.97-20.69 ?C, respectively, which are lower than that predicted by PMV-PPD model. The mean value of comfort temperature derived by applying Griffiths’ method is 16.88 ?C. The impact of non-physical factors on thermal comfort is demonstrated by the lower values of neutral temperature and lower limit of 80 % acceptable temperature zone, comparing with that in developed area cases in HSCW zone. Therefore, it provides clue that the passive strategies can be considered when improving indoor thermal environment in winter. This study extends and supplements database of thermal comfort in university buildings for HSCW zone, and the results offer guidance for the design, operation and maintenance of university buildings in underdeveloped areas.

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  • 收稿日期:2020-12-08
  • 最后修改日期:2021-01-22
  • 录用日期:2021-02-26
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