Estimation of car air resistance by CFD method

Authors

  • Phan Anh Tuan Hanoi University of Science and Technology
  • Vu Duy Quang Hanoi University of Science and Technology

DOI:

https://doi.org/10.15625/0866-7136/36/3/4176

Keywords:

Rolling resistance, air resistance, surface, CFD, turbulence

Abstract

Total car resistance is including rolling resistance and air resistance. Rolling resistance comes from car tires when it rolls over the roads with car weight. Air resistance comes from the body when it moves in the air with car body surface area. The air resistance of a car depends upon its shape. The bigger the surface area of a car body, the more air molecules the car will hit and so the larger the air resistance. This paper will mention to estimation of car air resistance by computational fluid dynamics (CFD) method. A 3D car body has used for simulation in ANSYS FLUENT CFD software. The k-\(\varepsilon\) turbulence model and segregated implicit solver was used to perform computation in this study.

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Published

22-08-2014

How to Cite

Tuan, P. A., & Quang, V. D. (2014). Estimation of car air resistance by CFD method. Vietnam Journal of Mechanics, 36(3), 235–244. https://doi.org/10.15625/0866-7136/36/3/4176

Issue

Section

Research Paper

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