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首页> 外文期刊>Building and Environment >Adaptive model of thermal comfort for offices in hot and humid climates of India
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Adaptive model of thermal comfort for offices in hot and humid climates of India

机译：印度炎热和潮湿气候下办公室的热舒适度自适应模型

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摘要

The current Indian indoor comfort standards do not reflect the country's great cultural and climatic diversity. There have been very few reports on the actual environments in Indian offices in the last three decades. We conducted a thermal comfort field study in 28 naturally ventilated (NV) and air-conditioned (AC) offices in Chennai and Hyderabad for fourteen months, and collected 6048 responses from 2787 individuals. Warm humid and composite climates are experienced in these cities, and these two climates cover about 80% area of the country. This paper proposes an adaptive thermal comfort model for South India based on this data. Mean comfort temperature was found to be 28.0 ℃ in NV mode, and 26.4 ℃ in AC mode on all data. Chennai had slightly higher comfort temperature. We found an adaptive relationship between the prevailing outdoor temperature and the comfortable indoor temperatures. Most of the environments in NV mode and about half in AC mode were warmer than the current Indian Standard upper limit (26 C). In most cases, the air speed was below 0.20 m/s. Most of the subjects used fans. Air speeds of 1 m/s increased the comfort temperature by 2.7 K in both the modes. Logistic regression predicted 87% and 50% fan usage at 29 ℃ in NV and AC modes respectively. Several factors prevented further thermal adaptation. We can potentially improve comfort and reduce air-conditioning by providing higher air speeds with energy-efficient fans. Such strategies may be vital given the scale of the scarcity of power.
机译：印度目前的室内舒适度标准并未反映出该国巨大的文化和气候多样性。在过去的三十年中，关于印度办事处实际环境的报道很少。我们在金奈和海得拉巴的28个自然通风（NV）和空调（AC）办公室进行了14个月的热舒适性现场研究，并收集了2787人的6048份响应。这些城市经历着温暖潮湿的气候，这两种气候覆盖了全国约80％的面积。基于此数据，本文提出了南印度的自适应热舒适模型。在所有数据上，NV模式下的平均舒适温度为28.0℃，AC模式下的平均舒适温度为26.4℃。金奈的舒适温度略高。我们发现当前的室外温度与舒适的室内温度之间存在自适应关系。 NV模式下的大多数环境和AC模式下的大多数环境都比当前的印度标准上限（26 C）高。在大多数情况下，风速低于0.20 m / s。大多数受试者使用风扇。在两种模式下，1 m / s的风速都会使舒适温度提高2.7K。 Logistic回归预测在29℃的NV和AC模式下，风扇使用率分别为87％和50％。几个因素阻止了进一步的热适应。通过使用节能风扇提高风速，我们有可能改善舒适度并减少空调的使用。考虑到权力稀缺的规模，这种策略可能至关重要。

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  • 来源
    《Building and Environment》 |2014年第4期|39-53|共15页
  • 作者

    Madhavi Indraganti; Ryozo Ooka; Hom B. Rijal; Gail S. Brager;

  • 作者单位

    Center for the Built Environment (CBE), University of California, 390 Wurster Hall # 1839, Berkeley, CA 94720-1839, USA,Department of Human and Social Systems, Institute of Industrial Science, 4-6-1, Komaba, Meguro-ku, The University of Tokyo, Tokyo 153-8505, Japan;

    Department of Human and Social Systems, Institute of Industrial Science, 4-6-1, Komaba, Meguro-ku, The University of Tokyo, Tokyo 153-8505, Japan;

    Department of Restoration Ecology & Built Environment, Tokyo City University, Yokohama, Japan;

    Center for the Built Environment (CBE), University of California, 390 Wurster Hall # 1839, Berkeley, CA 94720-1839, USA;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    India; Comfort standards; Office buildings; Thermal comfort; Comfort temperature; Adaptive model;

    机译：印度;舒适度标准;办公大楼;热舒适性;舒适温度;自适应模型;

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