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LARGE EDDY SIMULATION OF THERMALLY-STRATIFIED TURBULENT CHANNEL FLOW WITH TEMPERATURE OSCILLATION ON THE BOTTOM WALL |
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| Authors: | DONG Yu-hong LU Xi-yun ZHUANG Li-xian |
| Affiliation: | DONG Yu-hong,LU Xi-yun,ZHUANG Li-xian Department of Mechanicsand Mechanical Engineering,University of Science and Technology of China,Hefei,Anhui 230026 |
| Abstract: | Thermally-stratified shear turbulent channel flow with temperature oscillation on the bottom wall of the channel wasinvestigated with the LargeEddy Simulation (LES) approach coupled with dynamic Sub-Grid-Scale (SGS) models. The effect of temperature oscillation on the turbulent channel flow behavior was examined. The phase-averagedvelocities and temperature, and flow structures at different Richardson numbers and periods of the oscillation wasanalyzed. |
| Keywords: | Large Eddy Simulation (LES) turbulent channel flow thermally-stratified turbulence Sub-Grid Scale (SGS) model oscillatory heat transfer temperature oscillation |
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