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Research on outdoor thermal comfort of high-density urban center in severe cold area

机译：严重寒冷地区高密度城市中心的户外热舒适性研究

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摘要

With high intensity of urban land development and dense population, urban high-density central area has obvious heat island effect, which has a great impact on thermal comfort. Taking Qiulin commercial district, the high-density central area of Harbin as the research object, this paper uses physical measurement and questionnaire survey to evaluate the outdoor thermal comfort. The results show that: (1) In high-density blocks of Harbin, there is a strong correlation between TCV and TSV, which is mainly affected by air temperature and globe temperature. And the correlation is stronger in transition season and winter than in summer; (2) The applicability PET in severe cold area was verified. The logistic regression method was used to obtain the range of neutral PET [12.99 degrees C, 19.89 degrees C] and the acceptable PET [5.14 degrees C, 27.15 degrees C]. At the same time, the 11-point TSV scale was verified to be accurate in assessing the thermal sensation in severe cold area; (3) Preferred PET in summer and transition season were 24.8 degrees C and 23.5 degrees C, respectively. Temperature expectation is the main factor influencing the difference of preferred temperature between cold and hot seasons; (4) Residents in severe cold area have become psychologically adapted to the cold environment due to long-term exposure to cold conditions, so that people are less sensitive to low temperatures in winter. In this situation it is important to have a general understanding of the outdoor thermal comfort in severe cold regions, which can guide planners to a better urban design.
机译：拥有高强度的城市土地开发和浓密的人口，城市高密度中心区域具有明显的热岛效果，对热舒适有很大影响。采用秋莲商业区，哈尔滨的高密度中心区域作为研究对象，本文采用了物理测量和问卷调查来评估室外热舒适度。结果表明：（1）在哈尔滨的高密度块中，TCV和TSV之间存在强烈的相关性，这主要受气温和全球温度的影响。过渡季节和冬季的相关性比夏天更强; （2）严重寒冷地区的适用性PET进行了验证。逻辑回归方法用于获得中性PET的范围[12.99摄氏度，19.89℃]和可接受的PET [5.14℃，27.15℃]。同时，验证了11点TSV量表以评估严重寒冷地区的热感应准确; （3）夏季的优先宠物分别为24.8摄氏度和23.5摄氏度。温度期望是影响寒冷和热季节之间优选温度差异的主要因素; （4）严重寒冷地区的居民由于长期暴露于寒冷条件而导致感冒环境，使人们对冬季的低温敏感。在这种情况下，重要的是对严重寒冷地区的室外热舒适感到非常了解，这可以指导规划者更好的城市设计。

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  • 来源
    《Building and Environment》 |2021年第8期|107938.1-107938.15|共15页
  • 作者

    Yin Qing; Cao Yuhui; Sun Cheng;

  • 作者单位

    Harbin Inst Technol Sch Architecture Harbin 150000 Peoples R China|Minist Ind & Informat Technol Key Lab Cold Reg Urban & Rural Human Settlement E Harbin 150001 Peoples R China;

    Harbin Inst Technol Sch Architecture Harbin 150000 Peoples R China|Minist Ind & Informat Technol Key Lab Cold Reg Urban & Rural Human Settlement E Harbin 150001 Peoples R China;

    Harbin Inst Technol Sch Architecture Harbin 150000 Peoples R China|Minist Ind & Informat Technol Key Lab Cold Reg Urban & Rural Human Settlement E Harbin 150001 Peoples R 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; Severe cold area; PET; Thermal adaptation; Logistic regression;

    机译：室外热舒适;严重寒冷的区域;宠物;热适应;逻辑回归;

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