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Keywords: LES
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2021, 143(11): 112101.
Paper No: HT-21-1044
Published Online: September 8, 2021
... study, the traditional square rib (SQ-rib) placed normal to the flow direction is modified to a backward-facing step rib (BS-rib) and a forward-facing step rib (FS-rib). Large-eddy simulation (LES) is carried out for a square duct at Re b = 20000. Results show that the modified rib shapes result...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2014, 136(10): 102502.
Paper No: HT-13-1371
Published Online: August 5, 2014
... as the maximum of the molecular and the turbulent viscosities to reject unreasonably low or negative turbulent viscosity (13) μ LES = max ( μ molecular , ρ ( C s Δ ) 2 | S ¯ | ) This model produces satisfactory results for most large scale applications...
Journal Articles
Article Type: Heat Transfer In Nanochannels, Microchannels, And Minichannels
J. Heat Transfer. February 2012, 134(2): 020904.
Published Online: December 13, 2011
... with a spanwise distance to fin diameter ratio of 2 and height over fin diameter ratio of one. For validation purposes, the flow Reynolds number based on hydraulic channel diameter and bulk velocity (Re = 12,800) was set to match experiments available in the open literature. Simulations included a URANS and LES...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. May 2009, 131(5): 051201.
Published Online: March 16, 2009
... of the filtered mass density function (FMDF) approach in the context of large eddy simulations (LES) of turbulent flames have gained considerable ground. The work described here represents the first application of the LES/FMDF approach to flames involving soot formation and luminous radiation. The initial focus...