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Climate classifications and building energy use implications in China

机译：中国的气候分类和建筑能耗的影响

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摘要

Cluster analysis of summer and winter discomfort in terms of heat and cold stresses based on 102-year (1901-2002) weather data in China was conducted. Five bioclimate zones were identified. These were compared with the corresponding thermal and solar zoning classifications. Bio-I and Bio-II tended to locate largely within severe cold and cold climates in the north with excellent solar availability (annual clearness index K_t generally exceeding 0.5). Bio-III and Bio-IV covered mostly the hot summer and cold winter and mild climate zones. Despite the relatively low K_t in winter, passive solar heating should be able to meet a significant proportion of the heating requirements. Bio-V covered the hot summer and warmer winter region, where heat stress and hence cooling requirement dominated. Decreasing trends in the zone-average annual cumulative cold stress during the 102-year period were observed for all five zones. There was, however, no distinct pattern for the heat stress and the changes tended to be more subtle. These indicate that climate change during the 20th century affected winter discomfort (especially in colder climates in the north) more than the summer discomfort. This could have significant implications for energy use in buildings if such trends persist.
机译：根据中国102年（1901-2002）的天气数据，对夏，冬季不适的热和冷压力进行了聚类分析。确定了五个生物气候带。将这些与相应的热量和太阳能分区分类进行了比较。 Bio-I和Bio-II大多位于北部的严寒和寒冷气候中，具有极好的太阳能利用率（年净度指数K_t通常超过0.5）。生物三和生物四主要覆盖炎热的夏季和寒冷的冬季以及温和的气候区。尽管冬季K_t相对较低，但是被动式太阳能采暖应能够满足供暖需求的很大一部分。 Bio-V覆盖了炎热的夏季和冬季温暖的地区，在该地区，热应力和冷却需求占主导地位。在所有五个区域中，观察到了102年期间区域平均年累积冷应力的下降趋势。但是，没有明显的热应力模式，并且变化趋于更加细微。这些表明，20世纪的气候变化对冬季不适的影响（特别是在北部较冷的气候中）比夏季的不适更多。如果这种趋势持续存在，可能会对建筑物的能源使用产生重大影响。

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  • 来源
    《Energy and Buildings》 |2010年第9期|P.1463-1471|共9页
  • 作者

    Kevin K.W. Wan; Danny H.W. Li; Liu Yang; Joseph C. Lam;

  • 作者单位

    Building Energy Research Group, Department of Building and Construction, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;

    Building Energy Research Group, Department of Building and Construction, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;

    School of Architecture, Xi'an University of Architecture and Technology, Shaanxi 710055, China;

    Building Energy Research Group, Department of Building and Construction, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    climate classifications; heat stresses; cluster analysis; building designs; energy use;

    机译：气候分类;热应力;聚类分析;建筑设计;能源消耗;

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