Numerical simulation of urban wind flow

The understanding of wind flow patterns in urban cities is becoming increasingly important. Wind, not only affects pollutant dispersion and pedestrian comfort, it is also recognized as a potential source of energy in today’s context. This report used Computational Fluid Dynamics to determine the eff...

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Main Author: Yang, Rina Peiyi
Other Authors: Martin Skote
Format: Final Year Project
Language:English
Published: 2011
Subjects:
Online Access:http://hdl.handle.net/10356/44224
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-442242023-03-04T18:59:00Z Numerical simulation of urban wind flow Yang, Rina Peiyi Martin Skote School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering The understanding of wind flow patterns in urban cities is becoming increasingly important. Wind, not only affects pollutant dispersion and pedestrian comfort, it is also recognized as a potential source of energy in today’s context. This report used Computational Fluid Dynamics to determine the effects of building geometry, angle of wind approach and primary street width on the velocity field around a cluster of four buildings. A square and a round geometry were considered. The inlet speed and building dimensions modeled the HDB setting in Singapore. All analysis was based on the established evaluation criteria – pollutant dispersion, pedestrian comfort and wind energy. Not surprisingly, wind patterns in the two morphologies were different due to their geometric differences. The results showed that a large primary street width and angle of wind approach are desirable for pollutant dispersion but not for harnessing of wind energy. A square configuration proved to be better for wind turbine construction. Finally, the computational results were validated against other research papers to confirm their reliability. Bachelor of Engineering (Mechanical Engineering) 2011-05-31T04:53:15Z 2011-05-31T04:53:15Z 2011 2011 Final Year Project (FYP) http://hdl.handle.net/10356/44224 en Nanyang Technological University 80 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Mechanical engineering
spellingShingle DRNTU::Engineering::Mechanical engineering
Yang, Rina Peiyi
Numerical simulation of urban wind flow
description The understanding of wind flow patterns in urban cities is becoming increasingly important. Wind, not only affects pollutant dispersion and pedestrian comfort, it is also recognized as a potential source of energy in today’s context. This report used Computational Fluid Dynamics to determine the effects of building geometry, angle of wind approach and primary street width on the velocity field around a cluster of four buildings. A square and a round geometry were considered. The inlet speed and building dimensions modeled the HDB setting in Singapore. All analysis was based on the established evaluation criteria – pollutant dispersion, pedestrian comfort and wind energy. Not surprisingly, wind patterns in the two morphologies were different due to their geometric differences. The results showed that a large primary street width and angle of wind approach are desirable for pollutant dispersion but not for harnessing of wind energy. A square configuration proved to be better for wind turbine construction. Finally, the computational results were validated against other research papers to confirm their reliability.
author2 Martin Skote
author_facet Martin Skote
Yang, Rina Peiyi
format Final Year Project
author Yang, Rina Peiyi
author_sort Yang, Rina Peiyi
title Numerical simulation of urban wind flow
title_short Numerical simulation of urban wind flow
title_full Numerical simulation of urban wind flow
title_fullStr Numerical simulation of urban wind flow
title_full_unstemmed Numerical simulation of urban wind flow
title_sort numerical simulation of urban wind flow
publishDate 2011
url http://hdl.handle.net/10356/44224
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