Review on pollutant dispersion in urban areas-part A: Effects of mechanical factors and urban morphology

Li Zhengtong; Ming Tingzhen; Liu Shurong; Peng Chong; de Richter Renaud; Li Wei; Zhang Hao; Wen Chih-Yung

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Review on pollutant dispersion in urban areas-part A: Effects of mechanical factors and urban morphology

机译：城市地区污染物分散综述 - 部分A：机械因素和城市形态的影响

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Cities are facing significant challenges due to low outdoor air quality. Hence, a growing number of studies have been conducted to develop strategies for improving air quality. This paper provides a comprehensive and systematic review of the mechanisms and effects of various mechanical measures and urban morphology on pollutant dispersion in an urban context. Moreover, a detailed quantification of the reduction potential of the mechanical measures and urban morphology is provided, followed by the identification of the critical urban factors for the practical urban optimizing strategies. Additionally, the two fundamental processes (mean flow and turbulence) affecting the pollutant dispersion are clarified to understand the dilution mechanism of pollutants.For these purposes, the reviewed papers are categorized into two groups:(i) Utilizing mechanical measures.(ii) Designing appropriate urban morphology.Generally, this study is useful for urban planners and architects who are responsible for decision-making.

机译：由于户外空气质量低，城市面临重大挑战。因此，已经进行了越来越多的研究，以发展改善空气质量的策略。本文提供了对城市背景下污染物分散的各种机械措施和城市形态的机制和影响的全面和系统综述。此外，提供了对机械措施和城市形态的降低潜力的详细量化，其次是识别实用城市优化策略的关键城市因素。另外，澄清了影响污染物分散体的两个基本过程（平均流动和湍流）以了解污染物的稀释机制。对于这些目的，审查的论文分为两组：（i）利用机械措施。（ii）设计适当的城市形态。本研究可用于负责决策的城市规划者和建筑师有用。

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来源
《Building and Environment》 |2021年第3期|107534.1-107534.25|共25页
作者
Li Zhengtong; Ming Tingzhen; Liu Shurong; Peng Chong; de Richter Renaud; Li Wei; Zhang Hao; Wen Chih-Yung;
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作者单位

Hong Kong Polytech Univ Dept Mech Engn & Interdisciplinary Div Aeronaut & Aviat Engn Kowloon Hong Kong Peoples R China;

Huanggang Normal Univ Sch Architectural Engn 146 Xingang Second Rd Huanggang 438000 Peoples R China|Wuhan Univ Technol Sch Civil Engn & Architecture Wuhan 430070 Peoples R China;

Wuhan Univ Technol Sch Civil Engn & Architecture Wuhan 430070 Peoples R China;

Huazhong Univ Sci & Technol Sch Urban Planning & Architecture Wuhan 430074 Peoples R China;

Tour Solaire Fr 8 Impasse Papillons F-34090 Montpellier France;

Aston Univ European Bioenergy Res Inst Aston Inst Mat Res Birmingham W Midlands England;

Hong Kong Polytech Univ Dept Mech Engn & Interdisciplinary Div Aeronaut & Aviat Engn Kowloon Hong Kong Peoples R China;

Hong Kong Polytech Univ Dept Mech Engn & Interdisciplinary Div Aeronaut & Aviat Engn Kowloon Hong Kong Peoples R China;

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正文语种 eng
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关键词
Air quality; Pollutant mitigations; Mechanical factors; Urban morphology; Local mitigation strategies;

机译：空气质量;污染物减轻;机械因素;城市形态;地方缓解策略;

Review on pollutant dispersion in urban areas-part A: Effects of mechanical factors and urban morphology

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