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TECHNICAL PAPERS

Effect of Planform Aspect Ratio on Flow Oscillations in Rectangular Cavities

[+] Author and Article Information
Peter J. Disimile

Department of Aerospace Engineering, University of Cincinnati, Cincinnati, OH 45221-0070

Norman Toy, Eric Savory

Fluid Mechanics Research Group, Department of Civil Engineering, University of Surrey, Guildford GU2 5XH, UK

J. Fluids Eng 122(1), 32-38 (Oct 04, 1999) (7 pages) doi:10.1115/1.483223 History: Received December 21, 1998; Revised October 04, 1999
Copyright © 2000 by ASME
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References

Figures

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Relative sound pressure level as a function of L/W
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Diagrammatic arrangement of cavity model cross section
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Plan view of cavity model, turntable and transducer locations. (All dimensions in mm)
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MSR of boundary layer spectrum normalized by sealed cavity microphone spectrum
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Power spectral energy within the boundary layer E(f )B and the cavity E(f )C
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(a) Ratio of the MSR of the cavity spectrum E(f )C to that of the boundary layer spectrum E(f )B for L/W=0.115. (b) Ratio of the MSR of the cavity spectrum E(f )C to that of the boundary layer spectrum E(f )B for L/W=0.682
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MSR of three most dominant peaks (in terms of amplitude) as a function of L/W
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MSR of three most dominant peaks (at constant frequency) as a function of L/W

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