Numerical Simulation for Airflow Field around Car Wheels

doi:10.16182/j.issn1004731x.joss.17-0122

Abstract

Abstract: The airflow field characteristics around the wheels have great influence on the flying of road dust and tire wear particles. Using the rotating wall boundary technology, an aerodynamic model of the vehicle-tire was built and verified. The airflow field around the wheels was obtained. The results show that the two airflows between the wheel and the wheel guard meet leading to the vortex. The airflows mainly overflow near the intersection. Due to the significant pumping effects, the airflow tends to fly to outside and upward near the front and rear wheels, respectively. In the rear of the car, the airflow forms a couple of horseshoe-shaped vortex and two pairs of dragging vortex.

Key words: tire, rotating wall, airflow field, numerical simulation

CLC Number:

TP391.9

Huang Haibo, Yu Xudong, Liu Qingguo, Zhang Tao, Dong Jianan. Numerical Simulation for Airflow Field around Car Wheels[J]. Journal of System Simulation, 2019, 31(4): 641-647.

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