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TECHNICAL PAPERS

Theoretical Analysis of the Incompressible Laminar Flow in a Macro-Roughness Cell

[+] Author and Article Information
Mihai Arghir, Nicolas Roucou, Mathieu Helene, Jean Frene

LMS, Université de Poitiers, UFR Sciences SP2MI, Téléport 2, Blvd. Pierre et Marie Curie, BP 30719, 86962 Futuroscope Chasseneuil Cedex, France

J. Tribol 125(2), 309-318 (Mar 19, 2003) (10 pages) doi:10.1115/1.1506328 History: Received January 20, 2002; Revised July 11, 2002; Online March 19, 2003
Copyright © 2003 by ASME
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References

Figures

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Pressure distribution on the flat moving wall of the reference sinusoidal macro roughness (c/λ=0.5,h/c=0.5)
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(a,b) Streamlines and pressure isolines for a sinusoidal macro roughness with c/λ=0.5,h/c=0.5, and Reh0=100
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Pressure distribution on the flat moving wall of different rectangular macro roughness (h/c=0.5)
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Pressure distribution along the line of y=0 of the reference rectangular macro roughness (c/λ=0.5,h/c=0.5)
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Pressure distribution on the flat moving wall of the reference rectangular macro roughness (c/λ=0.5,h/c=0.5)
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(a,b) Streamlines and pressure isolines for a rectangular macro roughness with c/λ=0.5,h/c=0.5, and for Reh0=100
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Geometry of the two-dimensional macro roughness: (a) rectangular; (b) sinusoidal; and (c) triangular
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Pressure distribution on the flat moving wall of different sinusoidal macro roughness (h/c=0.5)
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(a,b) Streamlines and pressure isolines for a triangular macro roughness with c/λ=0.5,h/c=0.5, and Reh0=100
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Pressure distribution on the flat moving wall of the reference triangular macro roughness (c/λ=0.5,h/c=0.5)
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Pressure distribution on the flat moving wall of different triangular macro roughness (h/c=0.5)
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Non-dimensional drag per area of the flat moving wall (c/λ=0.5,h/c=0.5)
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Non-dimensional lift of different macro roughness (c/λ=0.5,h/c=0.5)
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Geometry of the two versions of the three-dimensional macro roughness
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Pressure distribution on the flat moving wall of the three-dimensional macro roughness compared with their two-dimensional correspondent (c/λ=0.5,h/c=0.5)
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Pressure isolines in the midsection of the first three-dimensional geometry (c/λ=0.5,h/c=0.5, and Reh0=100)

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