Turbulent planar channel flow has been computed for uniform wall heating and cooling fluxes strong enough to cause significant property variations using large eddy simulation. Channels with both walls either heated or cooled were considered, with wall-to-bulk temperature ratios as high as 1.5 for the heated case, and as low as 0.56 for the cooled case. An implicit, second order accurate finite volume scheme was used to solve the time dependent filtered set of equations to determine the large eddy motion, while a dynamic subgrid-scale model was used to account for the subgrid scale effects. Step-periodicity was used based on a quasi-developed assumption. The effects of strong heating and cooling on the flow were investigated and compared with the results obtained under low heating conditions.
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Large Eddy Simulation of Constant Heat Flux Turbulent Channel Flow With Property Variations: Quasi-Developed Model and Mean Flow Results
Lyle D. Dailey,
Lyle D. Dailey
Department of Mechanical Engineering, Iowa State University, Ames, IA 50011
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Ning Meng,
Ning Meng
Department of Mechanical Engineering, Iowa State University, Ames, IA 50011
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Richard H. Pletcher
Richard H. Pletcher
Department of Mechanical Engineering, Iowa State University, Ames, IA 50011
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Lyle D. Dailey
Department of Mechanical Engineering, Iowa State University, Ames, IA 50011
Ning Meng
Department of Mechanical Engineering, Iowa State University, Ames, IA 50011
Richard H. Pletcher
Department of Mechanical Engineering, Iowa State University, Ames, IA 50011
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division November 14, 2000; revision received July 23, 2002. Associate Editor: D. A. Kaminski.
J. Heat Transfer. Feb 2003, 125(1): 27-38 (12 pages)
Published Online: January 29, 2003
Article history
Received:
November 14, 2000
Revised:
July 23, 2002
Online:
January 29, 2003
Citation
Dailey, L. D., Meng , N., and Pletcher, R. H. (January 29, 2003). "Large Eddy Simulation of Constant Heat Flux Turbulent Channel Flow With Property Variations: Quasi-Developed Model and Mean Flow Results ." ASME. J. Heat Transfer. February 2003; 125(1): 27–38. https://doi.org/10.1115/1.1518499
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