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Title
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Aerodynamic characterisation of green wall vegetation based on plant morphology : an experimental and computational fluid dynamics approach
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Author
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Abstract
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| The installation of urban green infrastructure, particularly green walls, has proven to be an effective strategy for the mitigation of particulate matter (PM) pollution and the urban heat island effect. For the interaction between vegetation, PM and the local microclimate, wind flow is the main driving force. In order to investigate these interactions in detail, it is important to know how air flows through vegetation. This study proposes a method based on the DarcyForchheimer equation, where vegetation is considered as a porous medium and several plant species and the effects of plant morphological characteristics are examined both experimentally and using computer simulations. Results showed that the DarcyForchheimer model is a simple and robust way to describe air flow through vegetation regardless of its morphology. This research provides a new vision on studying aerodynamic properties of vegetation in relation to their morphology and provides opportunities for model the interaction between vegetation and its environment. |
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Language
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English
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Source (journal)
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Biosystems engineering. - London
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Publication
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London
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2019
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ISSN
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1537-5110
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DOI
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10.1016/J.BIOSYSTEMSENG.2018.10.019
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Volume/pages
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178
(2019)
, p. 34-51
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ISI
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000456902300003
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Full text (Publisher's DOI)
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Full text (open access)
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Full text (publisher's version - intranet only)
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