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首页> 外文期刊>Building and Environment >Study on the outdoor thermal environment and thermal comfort around campus clusters in subtropical urban areas
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Study on the outdoor thermal environment and thermal comfort around campus clusters in subtropical urban areas

机译：亚热带城市地区校园群周围的室外热环境和热舒适性研究

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摘要

Presently, there have been few studies on the outdoor thermal environment and thermal comfort of campus clusters in subtropical climate urban areas. In this study, first we investigated the influence of various types of design elements on the outdoor thermal environment around campus clusters in subtropical urban areas, such as pilotis, squares, and teaching building blocks. Second, we conducted a questionnaire survey on thermal sensation and thermal comfort in campus clusters to study the subjective response of young students to the outdoor thermal environment in subtropical urban areas. Assessment of thermal comfort by the SET* index suggests that the neutral SET* of young students is about 24 °C in an outdoor environment in subtropical urban areas in the summer. A 0.9 K temperature difference is observed between teaching building blocks and a grass-covered surface square, indicating the influence of the sky view factor (SVF) and heat capability of ground surface on air temperature distribution at night-time. Owing to a large SVF, more short-wave and long-wave reflections and longwave radiations are incident on the square: attention should be paid to this fact, which may create an extremely hot outdoor thermal environment in the daytime. Influenced by MRT, the SET* around teaching building blocks is higher than those of the square and pilotis in the afternoon, which is expected to reduce the acceptable rate of the outdoor thermal environment. Pilotis can reduce SET* by 6-10 °C; therefore, the use of pilotis is encouraged to create an outdoor thermal environment of well-being in subtropical cities.
机译：目前，关于亚热带气候城市地区校园群的室外热环境和热舒适性的研究很少。在这项研究中，我们首先研究了各种类型的设计元素对亚热带城市地区校园集群周围的室外热环境的影响，例如中庭，广场和教学建筑。其次，我们对校园集群中的热感觉和热舒适度进行了问卷调查，以研究青年学生对亚热带城市地区室外热环境的主观反应。通过SET *指数评估的热舒适度表明，夏季亚热带城市地区的室外环境中，年轻学生的中性SET *约为24°C。在教学构造块和草覆盖的表面正方形之间观察到0.9 K的温差，表明夜间的天空视野因子（SVF）和地表热容量对空气温度分布的影响。由于SVF较大，广场上会入射更多的短波和长波反射以及长波辐射：应注意这一事实，这可能会在白天创建非常炎热的室外热环境。受地铁影响，教学楼周围的SET *高于下午的广场和中庭，这会降低室外热环境的可接受率。飞行员可以将SET *降低6-10°C；因此，鼓励在中亚热带城市使用中草药来营造一个室外热环境。

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  • 来源
    《Building and Environment》 |2012年第6期|p.162-170|共9页
  • 作者

    Tianyu Xi; Qiong Li; Akashi Mochida; Qinglin Meng;

  • 作者单位

    Department of Architecture and Building Science, Tohoku University, Japan;

    State Key Laboratory of Subtropical Building Science, South China University of Technology, Wushan, Tianhe, Guangzhou 510640, China;

    Department of Architecture and Building Science, Tohoku University, Japan;

    State Key Laboratory of Subtropical Building Science, South China University of Technology, Wushan, Tianhe, Guangzhou 510640, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    outdoor thermal comfort; campus cluster; subtropical climate; piloti;

    机译：户外热舒适度;校园集群;亚热带气候领航员;

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