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International Journal of Automotive Technology > Volume 14(5); 2013 > Article
International Journal of Automotive Technology 2013;14(5): 701-706.
doi: https://doi.org/10.1007/s12239-013-0076-1
EFFECT OF REAR SLANT ANGLE ON VEHICLE CROSSWIND STABILITY SIMULATION ON A SIMPLIFIED CAR MODEL
S. MANSOR1, M. A. PASSMORE2
1Universiti Teknologi Malaysia
2Loughborough University
ABSTRACT
It is important to know the effect of the aerodynamic forces and moments on driving stability because it is responsible for the excitation and influences the response of the vehicle. The purpose of this paper is to study the effect of rear slant angle of a surface vehicle on crosswind sensitivity for stability analysis. The vehicle mathematical model used to conduct a dynamic simulation was based on a simple reduced order lateral dynamics of sideslip and yaw rate motion coupled with aerodynamics model. The intention here is to compare the effect of rear slant angles response to crosswind and to rank the crosswind sensitivity ratings. The aerodynamic loads are defined as the function of the aerodynamic derivatives from the static wind tunnel tests. Result shows a 20
Key Words: Crosswind sensitivity, Aerodynamic derivatives, Wind tunnel, Yaw rate, Sideslip, Simulation
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