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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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震动加速度作用下气泡行为数值模拟研究
, PP. 50-54
Keywords: 震动,振幅,角频率,气泡,数值模拟,流场
Abstract:
在开源openfoam架构下，建立震动加速度作用下的气泡？水两相流数值模拟模型，利用该模型对气泡在震动下的行为进行了分析研究。结果表明：相同震动角频率下，振幅越大，气泡变形越大，位移也越大；相同振幅下，角频率越大，气泡变形越大，位移变化越快；当角频率大于一定值时，气泡变形严重，导致破裂。对比有无震动的气泡上升过程发现，震动使气泡的形状与位置变得不稳定，左右摇摆上升，并使流场变得混乱。
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