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- Title
Visualization of Gas-Liquid Interfacial Behavior in a Narrow Channel Using High-Speed Neutron Imaging.
- Authors
ITO Daisuke; ODAIRA Naoya; ITO Kei; SAITO Yasushi; KURITA Keisuke; IIKURA Hiroshi
- Abstract
Gas-liquid two-phase flow is a very complicated flow phenomenon that involves the interaction between gas and liquid phases. Recently, an accurate simulation technique of two-phase flow has been developed. However, the validation of the simulated results is insufficient due to less experimental data. It is especially difficult to measure interfacial behavior with significant spatio-temporal fluctuation. To understand such phenomena, measurement methods with high spatial and temporal resolutions are required. Neutron imaging is a powerful tool for two-phase flow visualization. It can be applied to flow measurement in an opaque channel and has applicability to the heated condition. In this study, two-phase flow in the narrow rectangular channel was visualized by high-speed neutron imaging. The dynamics of the interfacial structure of air-water flow were investigated from the neutron transmission images, and the liquid film behavior was observed qualitatively.
- Subjects
LIQUID films; TWO-phase flow; NEUTRONS; INTERFACE dynamics; FLOW measurement; IMAGE transmission; FLOW visualization
- Publication
Japanese Journal of Multiphase Flow, 2023, Vol 37, Issue 1, p73
- ISSN
0914-2843
- Publication type
Article
- DOI
10.3811/jjmf.2023.007