Wind Flow Dynamics Around High-Rise Buildings: Insights from Wind Tunnel Experiments

Authors

  • Yin Mun H’ng Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia
  • Sheikh Ahmad Zaki Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia
  • Noor Alam Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia
  • Ahmad Faiz Mohammad Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia
  • Mardiana Idayu Ahmad Environmental Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia
  • Samsol Faizal Anis Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia

DOI:

https://doi.org/10.37934/arefmht.20.1.1929

Keywords:

Wind tunnel experiment, Menara Razak and Residensi Tower, tropical climate, canopy layer, wind directions

Abstract

Interaction between high-speed winds and urban buildings may contribute to unfavourable winds, safety risks, and building damage. This study aims to clarify the effects of high-rise buildings of UTM (Menara Razak-MR and Residensi Tower-RT) on the mean and turbulent wind speeds within the canopy layer and to develop a prediction model based on the wind tunnel experiment (WTE). Outdoor wind speeds are used as the input for conducting WTEs. In the wind tunnel, thermistors and hotwire sensors measure wind speeds at the selected canopy heights. Contour maps are used to present the analysis of the distribution of vertical profiles for both wind directions (22.5° and 202.5°) with high wind speeds. The spanwise uniformity flow has a standard deviation of less than 0.1 within the wind tunnel section. The wind profile is produced by a castellated block (25 mm cubic) of 17% packing density. The vertical profiles of approaching wind followed a power law index of 0.23, which falls within the suburban terrain category. The results show that wind speed u increases at a lower canopy layer in Plane 6 to Plane 8, and root mean square speed (urms) fluctuates in the downstream flow.

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Author Biographies

Yin Mun H’ng , Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia

ymun23@gmail.com

Sheikh Ahmad Zaki, Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia

sheikh.kl@utm.my

Noor Alam, Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia

alamnoor@utm.my

Ahmad Faiz Mohammad, Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia

ahmadfaiz@utm.my

Mardiana Idayu Ahmad, Environmental Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia

mardianaidayu@usm.my

Samsol Faizal Anis, Department of Mechanical Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur 54100, Malaysia

samsol.kl@utm.my

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Published

2025-05-29

How to Cite

Yin , M. H., Zaki, S. A. . ., Alam, N. ., Mohammad, A. F. . ., Ahmad, M. I. ., & Anis, S. F. . (2025). Wind Flow Dynamics Around High-Rise Buildings: Insights from Wind Tunnel Experiments. Journal of Advanced Research in Experimental Fluid Mechanics and Heat Transfer, 20(1), 19–29. https://doi.org/10.37934/arefmht.20.1.1929
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