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The impact of temperature on mean local air age and thermal comfort in a stratum ventilated office

机译：温度对分层通风办公室中平均局部空气年龄和热舒适度的影响

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摘要

The influence of the supply air temperature on the mean local air age and thermal comfort of a typical individual office under stratum ventilation is investigated by a numerical method, which is validated by an experiment carried out by the authors. The results show that for an office, when the supply air temperature is increased from 19 "C to 21 ℃, the corresponding mean occupied zone temperature rises from 24.5 ℃ to 26.5 ℃. The inhaled air quality for the occupant is improved when supply air temperature rises from 19 ℃ to 21 ℃. Also, the thermal comfort indices (predicted mean vote or PMV, predicted percentage of dissatisfied or PPD and predicted dissatisfied or PD) fulfill the requirements of ISO 7730 and CR 175 1998. For summer cooling operation, stratum ventilation may offer a feasible solution to elevated indoor temperatures, which are recommended by several governments in East Asia.
机译：通过数值方法研究了送风温度对典型个人办公室在地层通风条件下平均局部空气年龄和热舒适度的影响，该方法已通过作者的实验得到验证。结果表明，对于办公室，当送风温度从19“ C升高到21℃时，相应的平均居住区温度从24.5℃升高到26.5℃。当送风温度升高时，乘员的吸入空气质量得到改善。从19℃升高到21℃。此外，热舒适指数（预测的平均投票或PMV，预测的不满意或PPD百分比以及预测的不满意或PD）符合ISO 7730和CR 175 1998的要求。通风可能为提高室内温度提供了可行的解决方案，这在东亚一些国家的政府中是推荐的。

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  • 来源
    《Building and Environment》 |2011年第2期|p.501-510|共10页
  • 作者

    Lin Tian; Zhang Lin; Jing Liu; Ting Yao; Qiuwang Wang;

  • 作者单位

    Building Energy & Environmental Technology Research Unit, School of Energy and Environment and Division of Building Science and Technology, City University of Hong Kong, HongKong SAR, China;

    Building Energy & Environmental Technology Research Unit, School of Energy and Environment and Division of Building Science and Technology, City University of Hong Kong, HongKong SAR, China;

    State Key Lab of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, 710049, China;

    Building Energy & Environmental Technology Research Unit, School of Energy and Environment and Division of Building Science and Technology, City University of Hong Kong, HongKong SAR, China;

    State Key Lab of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, 710049, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    stratum ventilation; mean local air age; thermal comfort; elevated indoor temperatures;

    机译：地层通风平均当地空气年龄;热舒适度;室内温度升高;

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