Lattice Bhatnagar—Gross—Krook Simulations of Turbulent Natural Convection in a Cavity

作     者：施保昌 郭照立 等 

作者机构：ParallelOmputingInstituteHuazhongUniversityofScienceandTechnologyWuhan430074 NationalLaboratoryofCoalCombustionHuazhongUniversityofScienceandTechnologyWuhan430074 

出 版 物：《Chinese Physics Letters》 (中国物理快报（英文版）)

年 卷 期：2002年第19卷第4期

页      面：515-517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] 0801[工学-力学（可授工学、理学学位）] 

基　　金：国家自然科学基金 国家973计划 

主　　题：Aspect ratio 

摘      要：A thermal lattice Bhatnagar-Gross-Krook (LBGK) model with a robust boundary scheme is developed for Boussinesq incompressible fluids. In the model the velocity and temperature fields are solved by two independent LBGK equations which are combined into a coupled equation for the whole system. The two-dimensional natural convection flow of air in a differentially heated cavity of an aspect ratio of four is simulated for the Rayleigh number up to 1010. The numerical results are found to be in good agreement with those of previous studies.