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California Polytechnic State University, San Luis Obispo
Aerodynamics; Automotive; Cornering; Computational fluid dynamics; Bluff body
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The Aerodynamic Effects On A Cornering Ahmed Body, James Keogh, Tracie Barber, Sammy Diasinos, Graham Doig
The Aerodynamic Effects On A Cornering Ahmed Body, James Keogh, Tracie Barber, Sammy Diasinos, Graham Doig
Aerospace Engineering
As a vehicle travels through a corner, the flowfield observed from the vehicle׳s frame of reference becomes curved. This condition results in the relative flow angle and freestream velocity changing both across the width and along the length of the body. Wall-resolved Large Eddy Simulations were used to simulate a simple vehicle shape through three different radii corners. The variable flow angle and acceleration affected the pressure distribution along either side of the body and caused an increase in the size of the outboard C-pillar vortex, and an inboard decrease. Furthermore, an outboard extension of the separation bubble at the …