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Keywords: wall roughness
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2015, 137(2): 021202.
Paper No: FE-14-1025
Published Online: September 24, 2014
... 2014 25 07 2014 Various corrections were previously proposed to account for wall roughness with the k–ω and shear stress transport (SST) models. A simplified analysis, based upon the wall region analysis, is proposed to characterize the behavior of these roughness corrections...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. June 2009, 131(6): 061205.
Published Online: May 15, 2009
...G. F. K. Tay; D. C. S. Kuhn; M. F. Tachie This paper reports an experimental investigation of the effects of wall roughness and favorable pressure gradient on low Reynolds number turbulent flow in a two-dimensional asymmetric converging channel. Flow convergence was produced by means of ramps...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. October 2007, 129(10): 1255–1267.
Published Online: May 16, 2007
... for various roughness scales. 25 06 2006 16 05 2007 friction pipe flow surface roughness turbulence friction factor turbulent flow wall roughness universal relations pressure drop natural gas In fully developed turbulent flow in a smooth pipe, the friction...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. October 2007, 129(10): 1245–1254.
Published Online: April 27, 2007
...B. Aupoix A general procedure to extend turbulence models to account for wall roughness, in the framework of the equivalent sand grain approach, is proposed. It is based on the prescription of the turbulent quantities at the wall to reproduce the shift of the logarithmic profile and hence provide...