Flow Simulations of Generic Vehicle Model SAE Type 4 and DrivAer Fastback using OpenFOAM

Authors

  • Nur Haziqah Shaharuddin Wind Engineering for Environment, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, 54100 Kuala Lumpur, Malaysia
  • Mohamed Sukri Mat Ali Wind Engineering for Environment, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, 54100 Kuala Lumpur, Malaysia
  • Shuhaimi Mansor Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
  • Sallehuddin Muhamad Razak School of Engineering and Advanced Technology, Universiti Teknologi Malaysia, 54100 Kuala Lumpur, Malaysia
  • Sheikh Ahmad Zaki Shaikh Salim Wind Engineering for Environment, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, 54100 Kuala Lumpur, Malaysia
  • Muhammad Usman Department of Mechanical Engineering, University Of Gujrat, Hayat Campus Jalalpur Road Gujrat, Pakistan

Keywords:

OpenFOAM, flow simulation, SAE Type 4, DrivAer Fastback

Abstract

The aim of this study is to simulate flow over two types of generic vehicle model. The simulation is done using the open source CFD solver, OpenFOAM, which is based on the finite volume method, where each of the control volume is treated for its flow physical conservation using governing equations. The two different generic vehicle models are SAE Type 4 (fullback) – strongly simplified model and DrivAer Fastback – a more realistic vehicle model. Their flow structures are compared based on the CFD results. The different in flow behaviours are shown clearly by each model due to the geometry differences, where the SAE Type 4 is blunter, while the DrivAer Fastback is more aerodynamic. Results showed that SAE Type 4 model able to produce large turbulence wake structures and thus lead to higher value of drag coefficient compared to the DrivAer Fastback model. The drag coefficient for the SAE Type 4 is 0.3722 and the DrivAer Fastback is 0.2803.

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Published

2020-12-01

How to Cite

Shaharuddin, N. H. ., Mat Ali, M. S. ., Mansor, S. ., Muhamad, S. ., Shaikh Salim, S. A. Z. ., & Usman, M. . (2020). Flow Simulations of Generic Vehicle Model SAE Type 4 and DrivAer Fastback using OpenFOAM. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 37(1), 18–31. Retrieved from https://www.akademiabaru.com/submit/index.php/arfmts/article/view/2105
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