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Computational aero-acoustic analysis of a simplified vehicle model at various rear slant angles
R.V. Ganesh, , K.R. Viegas, S. Venkatraghavan
Published in Research India Publications
Volume: 10
Issue: 23
Pages: 43794 - 43800
The influence of rear slant angle on flow structure is investigated by performing a computational fluid dynamic (CFD) analysis on a simplified vehicle model (Ahmed body). The rear slant angle was varied as 25°, 30° and 35°, with the body subjected to inlet velocities of 140 km/h and 180 km/h at 0° yaw angle. Through this study, we hope to understand the relationship between sound pressure levels at the three pillars of the body with the drag coefficient and rear slant angle. The results provide insight into how the vehicle exterior geometry can be optimized to alleviate aerodynamic noise, which is a major hindrance to ride comfort, while maintaining minimal drag. © Research India Publications.
About the journal
JournalInternational Journal of Applied Engineering Research
PublisherResearch India Publications