气泡-液体多股射流二阶矩两相湍流模型的模拟

工程热物理学报 , 2002, 23(2): 231-234.

1.清华大学工程力学系,北京 ,100084

2.清华大学工程力学系,北京 ,100084

3.清华大学工程力学系,北京 ,100084

4.Department of Chemical Engineering, The Ohio State University, Columbus USA

基金项目: 国家自然科学基金(19872039)

SIMULATION OF BUBBLE-LIQUID JETS USING A SECOND-ORDER MOMENT TWO-PHASE TURBULENCE MODEL

本文采用二阶矩两相湍流模型模拟了气泡-液体闭式多股射流.研究结果显示出预报的两相速度、雷诺应力和气泡体积分数分布的合理性,以及在速度较高和剪切较强的情况下,气泡湍流脉动仍然大于液体湍流脉动,气泡增强液体湍流,气液两相湍流脉动均存在各向异性,而且气泡脉动的各向异性比液体脉动的大等规律.

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