Bubble Motion and Interfacial Phenomena during Bubbles Crossing Liquid–Liquid Interfaces

Processes

Xiaochang Cao¹  Mingzhuang Xie²  Jingqi Wang²  Hongliang Zhao²  Fengqin Liu²  Wanlong Zhang² 

[1] School of Mechanical Engineering, Dongguan University of Technology, Dongguan 523808, China;School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China;

关键词: bubble motion;    interfacial phenomena;    entrainment;    moving path;   

DOI  :  10.3390/pr7100719

来源: DOAJ

【 摘 要 】

In metallurgical and chemical engineering processes, the gas−liquid−liquid multiphase flow phenomenon is often encountered. The movement of bubbles in the liquid, and the influence of bubbles on the liquid−liquid interface, have been the focus of extensive research. In the present work, an air−water−oil system was used to explore the movement of bubbles and the phenomenon that occurs when bubbles pass through an interface with various oil viscosities at various gas flow rates. The results show that bubble movement is greatly influenced by the viscosity of the oil at low gas flow rates. The type of phase entrainment and the jet height was changed when increasing the gas flow rate. The stability of the water−oil interface was enhanced with increasing viscosity of the oil phase.

【 授权许可】

Unknown