汪志能¹,宾光富¹,冯淦²,潘阳³

• 1:湖南科技大学 机械设备健康维护湖南省重点实验室， 湖南 湘潭 411201
• 2:四川大学 水利水电学院， 四川 成都 610065
• 3:湖南科技大学 机电工程学院， 湖南 湘潭 411201

摘要(Abstract)：

针对现有弹状流理论模型忽略气泡破碎与融合效应而无法准确预测水动力学特性难题,建立基于破碎与融合效应的弹状流理论模型。分析泰勒气泡湍动能和表面张力能,推导泰勒气泡破碎的理论公式。基于气相质量守恒,提出气泡融合理论模型,结合破碎公式、融合模型以及经典的弹状流理论,形成了考虑气泡破碎与融合效应的弹状流理论模型。搭建弹状流实验装置,基于高速摄影法测量泰勒气泡速度,对比研究新建理论模型、传统模型与实验数据的吻合度。结果表明:新建模型与实验数据一致性好,误差范围为12%,较经典理论模型提高了7%。证明考虑气泡融合与破碎效应的新建模型较现有理论模型更合理。

关键词(KeyWords)： 弹状流;理论建模;气泡破碎;气泡融合

Abstract:

Keywords:

基金项目(Foundation): 湖南省教育厅资助科研项目(21C0341);湖南省自然科学基金(2023JJ30258,2023JJ50018);四川省自然科学基金(2022NSFSC0193)

作者(Author): 汪志能¹,宾光富¹,冯淦²,潘阳³

DOI: 10.3969/j.issn.1003-9015.2023.05.007

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