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LARGE EDDY SIMULATION OF FREE SURFACE TURBULENT CHANNEL FLOW WITH HEAT TRANSFER

LARGE EDDY SIMULATION OF FREE SURFACE TURBULENT CHANNEL FLOW WITH HEAT TRANSFER

作     者:Zhong, Feng-Quan Liu, Nan-Sheng Lu, Xi-Yun Zhuang, Li-Xian Zhong Feng-quan, Liu Nan-sheng, Lu Xi-yun, Zhuang Li-xian (Department of Modern Mechanics, University of Science and Technol ogy of China, Hefei 230026, China)

作者机构:Dept. of Modern Mech. Univ. of Sci. and Technol. of China Hefei 230026 China 

出 版 物:《Journal of Hydrodynamics》 (水动力学研究与进展B辑(英文版))

年 卷 期:2002年第14卷第1期

页      面:16-22页

核心收录:

学科分类:080704[工学-流体机械及工程] 080103[工学-流体力学] 08[工学] 0807[工学-动力工程及工程热物理] 0805[工学-材料科学与工程(可授工学、理学学位)] 0802[工学-机械工程] 0701[理学-数学] 0801[工学-力学(可授工学、理学学位)] 0702[理学-物理学] 0812[工学-计算机科学与技术(可授工学、理学学位)] 

基  金:This work was supported by the National Science Fund for Distinguished Scholars (No:10125210) the Program of Hundred Talents 

主  题:Computer simulation Heat transfer Mathematical models 

摘      要:The Large Eddy Simulation (LES) was used to study the free-surface turbulent channel flow with passive heat transfer. The three-dimensional filtered incompressible Navier-Stokes equations and energy equation were numerically solved with dynamic Subgrid Scale (SGS) models for modeling turbulent stresses and heat flux. To compare the turbulent behavior of the free-surface and two-walled channel flows, the LES of two-walled turbulent channel flow was performed. The statistical quantities and flow structures of the free-surface turbulence with heat transfer in the vicinity of the free-surface were investigated. The results are also in good agreement with theoretical analysis and available results by Direct Numerical Simulation (DNS).

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