An alternative wind profile formulation for urban areas in neutral conditions

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• 作者：Armando Pelliccioni (1)
  Paolo Monti (2)
  Giovanni Leuzzi (2)
  
  1. INAIL-DIPIA ; Via Fontana Candida 1 ; 00040聽 ; Monteporzio Catone ; Rome ; Italy
  2. DICEA ; Universit脿 di Roma 鈥淟a Sapienza鈥? Via Eudossiana 18 ; 00184聽 ; Rome ; Italy
  
• 关键词：MOST ; Roughness length ; Wind profile ; Urban boundary layer ; Roughness sublayer ; Inertial sublayer
• 刊名：Environmental Fluid Mechanics
• 出版年：2015
• 出版时间：February 2015
• 年：2015
• 卷：15
• 期：1
• 页码：135-146
• 全文大小：3,489 KB
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• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Environmental Physics
  Mechanics
  Hydrogeology
  Meteorology and Climatology
  Oceanography
  
• 出版者：Springer Netherlands
• ISSN：1573-1510

文摘

On the basis of meteorological observations conducted within the city of Rome, Italy, a new formulation of the wind-speed profile valid in urban areas and neutral conditions is developed. It is found that the role played by the roughness length in the canonical log-law profile can be taken by a local length scale, depending on both the surface cover and the distance above the ground surface, which follows a pattern of exponential decrease with height. The results show that the proposed model leads to increased performance compared with that obtained by using other approaches found in the literature.