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TECHNICAL PAPERS

The Force and Pressure of a Diffuser-Equipped Bluff Body in Ground Effect

[+] Author and Article Information
Andrea E. Senior, Xin Zhang

Department of Aeronautics and Astronautics, School of Engineering Sciences, University of Southampton, Southampton SO17 1BJ, United Kingdom

J. Fluids Eng 123(1), 105-111 (Oct 03, 2000) (7 pages) doi:10.1115/1.1340637 History: Received April 27, 2000; Revised October 03, 2000
Copyright © 2001 by ASME
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References

Figures

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A perspective view of the model setup
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Force coefficients. (a) CL versus hr/d; (b) CD versus hr/d
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Surface pressure coefficients underneath the diffuser along the centerline. Diffuser inlet at x/d=4.95
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Spanwise Cp distributions on the diffuser ramp in the force enhancement region. (a) hr/d=0.764; (b) hr/d=0.382
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Surface flow pattern in the force enhancement region. hr/d=0.764. Flow from left to right. (a) Surface flow on the ramp; (b) surface flow on the side-plate
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Spanwise Cp distributions on the diffuser ramp in the maximum force region. hr/d=0.217
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Surface flow pattern in the maximum force region. hr/d=0.217. Flow from left to right
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Spanwise CL distributions on the diffuser ramp in the force reduction region. (a) hr/d=0.191; (b) hr/d=0.064
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Surface flow pattern in the force reduction region. hr/d=0.191. Flow from left to right
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Spanwise pressure distribution on the diffuser ramp. (a) x/d=5.44; (b) x/d=7.86

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