Flow structure and velocity distribution in horizontal gas-liquid intermittent flow detected by S-PLIF&PIV

被引：0

作者：

Zhong, Xinyi ^{[1
]}

Zhai, Lusheng ^{[1
]}

Wang, Wenhao ^{[1
]}

Meng, Xinyu ^{[1
]}

机构：

[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin, Peoples R China

来源：

2024 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, I2MTC 2024 | 2024年

基金：

中国国家自然科学基金;

关键词：

Intermittent flow; S-PLIF&PIV; Velocity distribution; Slug aeration; FILM THICKNESS; PARTICLE IMAGE;

D O I：

10.1109/I2MTC60896.2024.10561059

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Horizontal gas-liquid two-phase flows are prevalent in industrial processes such as petroleum and aerospace fields. Intermittent flow is the most common flow pattern of horizontal gas-liquid two-phase flows. Detecting the flow structure and the velocity distribution in intermittent flow plays a critical role in comprehending the heat/mass transfer characteristics and revealing the flow pattern transition mechanism. In this paper, we designed an optical measurement system, i.e., structured planar laser-induced fluorescence and particle image velocimetry (S-PLIF&PIV), to collect the flow images of plug flow and slug flow during the experiment. A new image processing method was presented to precisely extract the gas-liquid interface and the velocity distribution in the liquid phase. Furthermore, we derived the vortex structure and the axial average velocity profile to analyze the slug aeration characteristics.

引用

页数：6

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