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TECHNICAL PAPERS

Low-Reynolds Number Turbulence Models: An Approach for Reducing Mesh Sensitivity

[+] Author and Article Information
Jonas Bredberg

Volvo Aero Corporation, Engines Division SE-461 81 Trollhättan, Sweden

Lars Davidson

Chalmers University of Technology Department of Thermo and Fluid Dynamics SE-412 96 Gothenburg, Sweden

J. Fluids Eng 126(1), 14-21 (Feb 19, 2004) (8 pages) doi:10.1115/1.1638791 History: Received March 13, 2002; Revised September 11, 2003; Online February 19, 2004
Copyright © 2004 by ASME
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References

Figures

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Total wall shear stress, evaluated at y1+.y+-value of cell center along abscissa. DNS-data 28, fully developed channel flow at Reτ=395.
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Averaged production in first near-wall computational cell. Numerical integration (NI) versus point-wise (PW) evaluation (using node value). y+-value of cell center along abscissa. DNS-data 28 and k−ω BSL model 1, fully developed channel flow at Reτ=395.
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ω in first near-wall computational cell. y+-value of cell center along abscissa. DNS-data 28 and k−ω BSL model 1, fully developed channel flow at Reτ=395.
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Fully developed channel flow at Reτ=395. Velocity profile (left) and error (U+−Uref+)/Uref+ (right).
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Fully developed channel flow at Reτ=395. Turbulent kinetic energy profile (left) and error (k+−kref+)/kref+ (right).
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Fully developed channel flow at ReH=250, 000. Velocity profile.
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Geometrical conditions, not to scale, BFS-case
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Friction coefficient, BFS-case
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Geometry, rib-roughened channel
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Nusselt number, rib-roughened channel

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