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TECHNICAL PAPERS

Behavior of Radial Incompressible Flow in Pneumatic Dimensional Control Systems

[+] Author and Article Information
G. Roy, D. Vo-Ngoc

Université de Moncton, Moncton, NB E1A 3E9, Canada

D. N. Nguyen

Department of Mechanical Engineering, Université Laval, Québec, G1K 7P4, Canada

P. Florent

Laboratory of Fluid Mechanics, Université de Valenciennes, Valenciennes, France

J. Fluids Eng 125(5), 843-850 (Oct 07, 2003) (8 pages) doi:10.1115/1.1598991 History: Received June 14, 2002; Revised April 01, 2003; Online October 07, 2003
Copyright © 2003 by ASME
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References

Figures

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Basic pneumatic controller
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Nozzle fouling (not to scale)
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Considered domain for calculations
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Grid sensitivity analysis
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Considered nozzle geometries
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Flow behavior for standard nozzle
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Influence of nozzle frontal area on flow behavior
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Effects of confinement in large diameter nozzle (η=0.25)
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Flow behavior for internally chamfered nozzle
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Flow behavior for rounded nozzle (Re=1400,β=2.0,η=0.15)
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Effects of chamfer angle (Re=1400,η=0.15)
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Effects of truncated width (Re=1400,η=0.15,β=2.0,α=45°)
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Wall pressure distributions comparisons for different nozzle types (Re=1400,η=0.15)
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Numerical and experimental result comparisons
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Effects of nozzle geometry on sensitivity

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