Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions
Urban ventilation is recognized as effective countermeasure on air pollution and urban heat island, yet most tropical urban areas receive low annual mean wind velocity thus lessening potential for urban ventilation. Effect of built form on resulting mean wind velocity at pedestrian-level was analyze...
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2015
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Online Access: | http://eprints.utm.my/id/eprint/61828/1/SheikhAhmadZaki2015_InfluenceofBuiltforminUrbanVentilationAssessment.pdf http://eprints.utm.my/id/eprint/61828/ http://events.utm.my/event/sia-2015-international-joint-conference-senvar-inta-avan-2015/ |
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my.utm.618282017-04-27T06:49:03Z http://eprints.utm.my/id/eprint/61828/ Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions Rodzi, M. A. M. Abd. Razak, A. Zaki, S. A. HT101-395 Sociology, Urban Urban ventilation is recognized as effective countermeasure on air pollution and urban heat island, yet most tropical urban areas receive low annual mean wind velocity thus lessening potential for urban ventilation. Effect of built form on resulting mean wind velocity at pedestrian-level was analyzed through computational fluid dynamics (CFD) to assess effectiveness in urban ventilation of tropical cities with weak wind conditions based on three heterogeneous built form of Kampung Baru, Taman Keramat and Pantai Dalam which located in the city of Kuala Lumpur for wind direction from south and west. The urban density for the built form was characterized by using urban packing density parameter of frontal area ratio, ?f and the urban ventilation was assessed based on availability of pedestrian wind which described using wind velocity ratio, VR. Influence of built form in urban ventilation was found to be significant in affecting the mean wind velocity, where magnitude of VR at pedestrian-level was decreasing as the value of ?f of the built form increases. Suggestions to improve urban ventilation design in major development project are provided based on these findings. 2015 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/61828/1/SheikhAhmadZaki2015_InfluenceofBuiltforminUrbanVentilationAssessment.pdf Rodzi, M. A. M. and Abd. Razak, A. and Zaki, S. A. (2015) Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions. In: International Joint Conference of Senvar-Inta-Avan (SIA 2015), 22-27 July, 2015, Skudai, Johor. http://events.utm.my/event/sia-2015-international-joint-conference-senvar-inta-avan-2015/ |
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HT101-395 Sociology, Urban Rodzi, M. A. M. Abd. Razak, A. Zaki, S. A. Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions |
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Urban ventilation is recognized as effective countermeasure on air pollution and urban heat island, yet most tropical urban areas receive low annual mean wind velocity thus lessening potential for urban ventilation. Effect of built form on resulting mean wind velocity at pedestrian-level was analyzed through computational fluid dynamics (CFD) to assess effectiveness in urban ventilation of tropical cities with weak wind conditions based on three heterogeneous built form of Kampung Baru, Taman Keramat and Pantai Dalam which located in the city of Kuala Lumpur for wind direction from south and west. The urban density for the built form was characterized by using urban packing density parameter of frontal area ratio, ?f and the urban ventilation was assessed based on availability of pedestrian wind which described using wind velocity ratio, VR. Influence of built form in urban ventilation was found to be significant in affecting the mean wind velocity, where magnitude of VR at pedestrian-level was decreasing as the value of ?f of the built form increases. Suggestions to improve urban ventilation design in major development project are provided based on these findings. |
format |
Conference or Workshop Item |
author |
Rodzi, M. A. M. Abd. Razak, A. Zaki, S. A. |
author_facet |
Rodzi, M. A. M. Abd. Razak, A. Zaki, S. A. |
author_sort |
Rodzi, M. A. M. |
title |
Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions |
title_short |
Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions |
title_full |
Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions |
title_fullStr |
Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions |
title_full_unstemmed |
Influence of built form in urban ventilation assessment of tropical cities with weak wind conditions |
title_sort |
influence of built form in urban ventilation assessment of tropical cities with weak wind conditions |
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2015 |
url |
http://eprints.utm.my/id/eprint/61828/1/SheikhAhmadZaki2015_InfluenceofBuiltforminUrbanVentilationAssessment.pdf http://eprints.utm.my/id/eprint/61828/ http://events.utm.my/event/sia-2015-international-joint-conference-senvar-inta-avan-2015/ |
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13.18916 |