南京理工大学学报（自然科学版）2016，Vol.40Issue(5)：554-559,6.DOI:10.14177/j.cnki.32-1397n.2016.40.05.009
封闭容器内液体间界面不稳定对混合过程的影响
Influence of interface instability on liquid mixing process in closed container
柴明明 1李磊 1陆晓霞 2赵守田1
作者信息
- 1. 国民核生化灾害防护国家重点实验室，北京102205
- 2. 清华大学 航天航空学院，北京100084
- 折叠
摘要
Abstract
The influence of interface instability on the liquid mixing process in a cylinder container is studied experimentally by using the high-speed photography and the planar laser induced fluorescence( PLIF) technology. The evolution of interface instability is calculated by applying the multiphase fluid flow and turbulence models. The influence of different Atwood numbers and aspect ratios on the liquid mixing processes is analyzed. The results show that the evolution of interface instability is helpful for the liquid mixing process. The mixing time increases with the increasing of Atwood numbers, meanwhile the heavy liquid is hard to be mixed on the bottom of container. Entirely,the bigger the aspect ratios are, the better the mixing effects are. As the aspect ratios decreasing,the mixing eddies are hard to form during the rolling over process of the lighter liquid, and some remains of unmixing lighter liquid exist.关键词
高速摄影/平面激光诱导荧光/界面不稳定性/Atwood数/长细比Key words
high-speed photography/planar laser induced fluorescence/interface instability/Atwood numbers/aspect ratios分类
数理科学引用本文复制引用
柴明明,李磊,陆晓霞,赵守田..封闭容器内液体间界面不稳定对混合过程的影响[J].南京理工大学学报（自然科学版）,2016,40(5):554-559,6.
