杨蕊,肖迎松,朱宝锦,柴煜炜,杨贤呈,赵盎

• 1:东北石油大学机械科学与工程学院
• 2:黑龙江省石油石化多相介质处理及污染防治重点实验室

摘要(Abstract)：

为了探究旋流器内气泡聚并与破碎行为的影响因素，采用高速摄像实验研究旋流器内的气液两相流。通过实验分析了气泡在旋流场中的聚并和破碎行为，考察不同工况条件对气泡聚并与破碎的影响，同时运用数值模拟进行验证。结果表明，入口速度提升会导致气泡的破碎频率增加，生成子气泡也越多，但同时加剧了气泡的聚并性能，促使气泡聚并成气核朝着溢流口方向运移，因此入口速度提升对气泡直径变化的影响呈正向作用。气体体积分数提升会导致旋流器内气泡直径和气核长度增大，降低了流场的旋流强度，使更多气泡聚并成气核从底流口流出，故气体体积分数对气泡直径变化的影响呈反向作用。

关键词(KeyWords)： 气液两相流;气泡;聚并;破碎;气液旋流器

Abstract:

Keywords:

基金项目(Foundation): 东北石油大学青年科学基金(2018QNL-50)

作者(Author): 杨蕊,肖迎松,朱宝锦,柴煜炜,杨贤呈,赵盎

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