Computational Study of Resonance Suppression of Open Sunroofs

[+] Author and Article Information
D. K. Ota, S. R. Chakravarthy

CFD Department, Computational Fluid Dynamics Department, Rockwell International Science Center, 1049 Camino Dos Rios, Thousand Oaks, CA 91360

T. Becker, T. Sturzenegger

Rockwell Golde, Frankfurt, Germany

J. Fluids Eng 116(4), 877-882 (Dec 01, 1994) (6 pages) doi:10.1115/1.2911864 History: Received April 03, 1993; Revised February 24, 1994; Online May 23, 2008


A 2-D computational study of flow over a fully open sunroof of a car with a passenger compartment has been done on a scalar workstation. The critical velocity for resonance in the passenger compartment has been determined. A wind deflector angle study has been done to determine an adequate angle to suppress the resonance. A validation case of computing the resonance condition of the flow over a 3:1 depth to length rectangular cavity has also been done. These resonance studies show the potential of using scalar workstations for a CFD design study.

Copyright © 1994 by The American Society of Mechanical Engineers
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