Various Aspects of Application of High-Speed LIF-Technique to Studying the Wavy Structure of Liquid Film in Annular Gas-Liquid Flow.

摘要：

Several different technical aspects of applicability of high-speed LIF-technique to studying the downward vertical annular gas-liquid flow are considered. Minimal requirements to measuring systems temporal and spatial resolution on different flow regimes are analyzed, based on comparison of existing data with different values of these parameters. Optical distortions, caused by shape of film surface, leading to brief-time overestimations of local film thickness, are described. Possible explanations of this phenomenon are proposed Results of observations on tracks of entrained droplets at the initial stage of droplets evolution are given. Observations on behavior of rare bubbles, entrapped within liquid film, are analyzed.

关键词： Annular Flow Liquid Film Disturbance Waves Liquid Entrainment Laser-Induced Fluorescence High-Speed Visualization Optical Distortions

作者: Sergey Alekseenko Andrey Cherdantsev Sergey Kharlamov Dmitry Markovich Andrey Rabusov Anfisa Smagina

作者单位: Kutateladze Institute of Thermophysics. 1, Lavrentiev ave., Novosibirsk 630090, Russian Federation N Kutateladze Institute of Thermophysics. 1, Lavrentiev ave., Novosibirsk 630090, Russian Federation Novosibirsk State University. 2, Pirogov str., Novosibirsk 630090, Russian Federation

会议类型: 国际会议

会议名称: The 7th International Symposium on Measurement Techniques for Multiphase Flows(第七届国际多相流测试技术会议)

会议地点: 天津

会议语种:英文

页码: 225-232

在线出版日期: 2011-09-17（万方平台首次上网日期，不代表论文的发表时间）