方截面鼓泡床气液两相瞬态数值研究

工程热物理学报 , 2005, 26(1): 72-75.

1.西安交通大学动力工程多相流国家重点实验室,陕西,西安,710049

2.西安交通大学动力工程多相流国家重点实验室,陕西,西安,710049

基金项目: 国家自然科学基金(10172069) 国家科技攻关项目(59995462)

MODELLING AND SIMULATION OF THE DYNAMIC FLOW BEHAVIOUR IN A RECTANGULAR BUBBLE COLUMN

在双流体模型中引入界面浓度输运方程,利用界面浓度和气泡平均Sauter直径模化各相间作用力.引入一附加湍动能输运方程模化气泡诱导引起的液相湍流.利用该模型对方截面鼓泡床内气液两相流进行三维瞬态数值模拟.计算结果表明该模型能较好得模拟方截面鼓泡床内气液两相流时均和瞬态流动特征.

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