计算物理 ›› 2002, Vol. 19 ›› Issue (6): 483-487.
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郭照立, 李青, 郑楚光
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GUO Zhao-li, LI Qing, ZHENG Chu-guang
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摘要: 建立了一个模拟双扩散自然对流系统的格子Boltzmann模型,用此模型对受温度和浓度梯度驱动的方腔流动进行了模拟,研究了浓度Rayleigh数对传热传质的影响,并与其它文献的结果进行了比较.
关键词: 格子Boltzmann方法, 双扩散对流, 传热传质
Abstract: A lattice Boltzmann model is proposed for the double diffusive natural convection system.The flow in a square cavity driven by a temperature gradient and a concentration gradient is then simulated using the present model.The influence of the concentration field on the flow patterns is investigated,and some quantitative comparisons with other studies are made.It is shown that the present LB model can predict the flow characteristics correctly.
Key words: lattice Boltzmann method, double diffusive natural convection, heat and mass transfer
中图分类号:
O35
郭照立, 李青, 郑楚光. 双扩散自然对流的格子Boltzmann模拟[J]. 计算物理, 2002, 19(6): 483-487.
GUO Zhao-li, LI Qing, ZHENG Chu-guang. LATTICE BOLTZMANN SIMULATION OF DOUBLE DIFFUSIVE NATURAL CONVECTION[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2002, 19(6): 483-487.
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