Hydrodynamic Interaction and Coalescence of Two Fluid Drops

两个流体滴的流体动力相互作用和聚结

• 批准号: 8914236
• 负责人: Robert Davis
• 金额: $ 22.06万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1989
• 资助国家: 美国
• 起止时间: 1989-12-01 至 1993-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8914236&HistoricalAwards=false
• 关键词: Hydrodynamic; Interaction; Coalescence; Two; Fluid

This research employs analytical and numerical modeling to explore the close interaction, deformation, and coalescence of liquid drops in motion. Specific issues to be addressed are: the lubrication force and mobility functions of nearly spherical drops, collision rate predictions, intervening film drainage times, and the influence of van der Waals forces. The development of a suitable model for such phenomena, and predictions from it, will lead to improved prediction capability in the areas of sedimentation, emulsions, and flocculation.

本研究采用解析和数值模拟的方法来探讨运动中液滴的密切相互作用、变形和聚并。要解决的具体问题是：近球形液滴的润滑力和迁移函数，碰撞率预测，中间膜排水时间，以及范德华力的影响。为这些现象开发一个合适的模型，并从中进行预测，将有助于提高沉降、乳化和絮凝领域的预测能力。