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《应用数学和力学(英文版)》 2000-01
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STUDY ON ANISOTROPIC BUOYANT TURBULENCE MODEL

Yang Kun (阳 坤), Hong Yiping (洪益平), Zhou Xueyi (周雪漪), Li Yuliang (李玉梁) (Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, P R China) (Communicated by Lin Jianzhong)  
By analyzing the components of Reynolds stresses of implicit algebraic stress model(IASM) in this paper, that Reynolds stresses in buoyant turbulent flows were produced by both strain and buoyancy is considered. Consequently, a nonlinear anisotropy buoyant turbulence model was developed by applying linearity of equilibrium hypothesis to Reynolds stress transports. The model avoids numerical singularity and its reliability is verified by the comparisons between predictions and experimental data.
【CateGory Index】: O357
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