大涡模拟搅拌槽中的液相流动

被引:5
作者
张艳红
杨超
毛在砂
机构
[1] 中国科学院过程工程研究所
关键词
大涡模拟; 搅拌槽; 动力学亚格子模型; 计算流体力学;
D O I
暂无
中图分类号
TQ021 [基础理论];
学科分类号
081701 ; 081704 ;
摘要
采用大涡模拟湍流模型对有档板的Rushton桨搅拌槽进行了数值模拟研究。控制方程采用控制容积法进行离散,对流项用三阶QUICK格式,扩散项是二阶中心差分。压力-速度耦合方程在交错网格上采用SIMPLE算法进行求解。小尺度流动的模化采用动力学(dynamic)亚格子模型。搅拌桨与档板之间的相互作用采用改进的内外迭代法进行处理。计算结果和文献值吻合得很好。
引用
收藏
页码:2474 / 2479
页数:6
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