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Numerical Simulation of Automotive Aerodynamics under Natural Side Wind

Yang Bin;School of Mechanical Engineering, Hefei University of Technology;  
This paper introduces numerical simulation of traditional automotive wind tunnel with natural side wind model on the notchback MIRA model in natural crosswind gust under wind resistance, pressure field, flow field and performance of simulation and numerical simulation. The results of the study show that the pressure distribution on the body surface gradually changes largely with the increase of wind speed, and the tail attachment vortex becomes complex, uniform flow starting position gradually moves back.This paper provides the reference to the body surface and structure optimization of natural side wind conditions.
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