| 建筑物对城市通风自净能力影响的数值试验 |
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| 引用本文： | Liu Huizhi,Sang Jianguo,Zhang Boyin,Johnny C.L. Chan,Andrew Y.S.Cheng,Liu Heping. 建筑物对城市通风自净能力影响的数值试验[J]. 大气科学进展, 2002, 19(6): 1045-1054. DOI: 10.1007/s00376-002-0063-3 |
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| 作者姓名： | Liu Huizhi Sang Jianguo Zhang Boyin Johnny C.L. Chan Andrew Y.S.Cheng Liu Heping |
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| 作者单位： | Liu Huizhi Sang Jianguo Zhang BoyinJohnny C. L. Chan4,Andrew Y. S. Cheng4,and Liu Heping1LAPC,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029 2Department of Atmospheric Sciences,Physics School,Peking University,Beijing 1008713State Key Laboratory ofTurbulence Research,Peking University,Beijing 100871 4Department of Physics and Material Sciences,City University of Hong Kong,Kowloon,Hong Kong |
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| 基金项目： | The research was supported by the National Natural Science Foundation of China underGrant Nos. 4001161948 and 59895410, and partly supported by the Key Project of Chinese Academy of Sciences under Grant No. KZCX-201. |
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| 摘 要： | 应用城市气候数值模式,分别计算了三栋6层住宅楼和一栋20层住宅楼两类建筑形式影响下的风场,以及在此风场中街道汽车尾气的浓度分布。计算结果表明在总建筑面积基本相同的情况下,高层建筑周围环境的通风自净能力要优于多层建筑。
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| 关 键 词： | 城市通风能力 城市气候模式 流场 浓度场 |
| 收稿时间： | 2001-12-25 |
Influences of structures on urban ventilation: A numerical experiment |
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| Liu Huizhi,Sang Jianguo,Zhang Boyin,Johnny C. L. Chan,Andrew Y. S. Cheng,Liu Heping. Influences of structures on urban ventilation: A numerical experiment[J]. Advances in Atmospheric Sciences, 2002, 19(6): 1045-1054. DOI: 10.1007/s00376-002-0063-3 |
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| Authors: | Liu Huizhi Sang Jianguo Zhang Boyin Johnny C. L. Chan Andrew Y. S. Cheng Liu Heping |
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| Affiliation: | LAPC, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;Department of Atmospheric Sciences, Physics School, Peking University, Beijing 100871;State Key Laboratory of Turbulence Research, Peking University, Beijing 100871;Department of Physics and Material Sciences, City University of Hong Kong, Kowloon, Hong Kong;Department of Atmospheric Sciences, Physics School, Peking University, Beijing 100871;Department of Physics and Material Sciences, City University of Hong Kong, Kowloon, Hong Kong |
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| Abstract: | Numerical simulations are carried out for the disturbed flow caused by three six-story buildings and a twenty-story tall tower respectively, as well as the distribution of automobile exhaust gas from a nearby road, based on the Peking University Model of Atmospheric Environment. The results show that the ventilation is better around the tall tower than around the three six-story residential buildings for the same number of households in the same urban region. |
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| Keywords: | urban ventilation urban climate model flow field concentration distribution |
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