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TECHNICAL PAPERS

Measurements of Surface-Roughness Effects on the Development of a Vortex Produced by an Inclined Jet in Cross-Flow

[+] Author and Article Information
M. I. Yaras

Department of Mechanical and Aerospace Engineering, Carleton University, Ottawa, Canada K1S 5B6

J. Fluids Eng 126(3), 346-354 (Jul 12, 2004) (9 pages) doi:10.1115/1.1758260 History: Received October 30, 2002; Revised December 11, 2003; Online July 12, 2004
Copyright © 2004 by ASME
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References

Figures

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Schematic of the inclined-jet-in-crossflow test section
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Test surface static pressure distribution measured at z/D=0
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a) Velocity and b) turbulence intensity fields at jet discharge (uncertainties: ±2% for the velocity magnitude and ±1.5 deg. for the flow direction)
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Velocity field of the vortex produced by the inclined-jet/cross-flow interaction for smooth (a) and rough (b) surfaces (uncertainties: ±2% for the velocity magnitude and ±1.5 deg. for the flow direction)
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Streamwise positive vorticity field of the vortex produced by the inclined-jet/cross-flow interaction for smooth (a) and rough (b) test surfaces (uncertainty in streamwise vorticity=±0.02)
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Streamwise negative vorticity produced on the test surface by the vortex with smooth (a) and rough (b) surfaces (uncertainty in streamwise vorticity=±0.02)
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Streamwise variation of circulation
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Streamwise variation of maximum vorticity in the core of the vortex (uncertainty in streamwise vorticity=±0.02)

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