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Investigating the Impact of Urban Fabric on Urban Albedo: Case Study of London

Yeninarcilar, Muhammed, Nikolopoulou, Marialena, Watkins, Richard, Giridharan, R., Kotopouleas, Alkis (2020) Investigating the Impact of Urban Fabric on Urban Albedo: Case Study of London. In: 35th International Conference on Passive and Low Energy Architecture, 1-3 September 2020, Spain. (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:91422)

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The paper presents the preliminary work in developing an Urban Albedo Calculator, an empirical model to predict changes in urban albedo in relation to changes in the urban fabric, materials, solar geometry, etc. It investigates experimentally, through a 1:10 scale model a case study in central London, and computationally, through RADAINCE, the impact of urban geometry and materials’ reflectance. Following the successful calibration of the model, the results highlighted the substantial impact of urban materials and their placement on urban albedo, demonstrating that biggest weighting of horizontal ground surfaces in the case of low rise environments. The effect of geometry was investigated through different scenarios, at ground and roof levels, as well as through changes in the H/W ratio. The results demonstrated that increasing the H/W ratio has the most significant impact on urban albedo, with the albedo changes varying under different sky conditions due to the orientation of the blocks.

Item Type: Conference or workshop item (Proceeding)
Uncontrolled keywords: Urban albedo, microclimate, materials, geometry, RADIANCE
Subjects: T Technology
T Technology > TH Building construction
Divisions: Divisions > Division of Arts and Humanities > Kent School of Architecture and Planning
Depositing User: Giridharan Renganathan
Date Deposited: 08 Nov 2021 11:45 UTC
Last Modified: 08 Nov 2021 11:45 UTC
Resource URI: (The current URI for this page, for reference purposes)
Nikolopoulou, Marialena:
Watkins, Richard:
Giridharan, R.:
Kotopouleas, Alkis:
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