The behaviors of cavitation bubble in a micro-tube are numerically investigated in the present work. The Navier-Stokes equations and volume of fluid (VOF) model are employed to track the liquid-gas interface during the growth and collapse of bubble. The results show a good agreement with experimental results in the literature, which proves the correctness and reliability of the model. Some important phenomena related to the confined bubble are observed in the study. For the bubble inside the micro-tube, liquid flows caused by the bubble motion are observed during the growth and collapse respectively. These unique flow patterns would have an important effect on heat transfer, which is totally different from the situation that a single bubble collapses near the solid wall in a semi-infinite space. On this basis, velocity vector field, pressure and temperature distributions on the wall are analyzed in details.
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ASME 2014 International Mechanical Engineering Congress and Exposition
November 14–20, 2014
Montreal, Quebec, Canada
Conference Sponsors:
- ASME
ISBN:
978-0-7918-4956-9
PROCEEDINGS PAPER
Modeling of Cavitation Bubble Motion in a Micro-Tube
B. Liu,
B. Liu
Beijing Society of Thermophysics and Energy Engineering, Beijing, China
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J. Cai,
J. Cai
Chinese Academy of Sciences, Beijing, China
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X. L. Huai,
X. L. Huai
Chinese Academy of Sciences, Beijing, China
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X. Liu
X. Liu
Beijing Society of Thermophysics and Energy Engineering, Beijing, China
Search for other works by this author on:
B. Liu
Beijing Society of Thermophysics and Energy Engineering, Beijing, China
J. Cai
Chinese Academy of Sciences, Beijing, China
X. L. Huai
Chinese Academy of Sciences, Beijing, China
X. Liu
Beijing Society of Thermophysics and Energy Engineering, Beijing, China
Paper No:
IMECE2014-39871, V08BT10A025; 6 pages
Published Online:
March 13, 2015
Citation
Liu, B, Cai, J, Huai, XL, & Liu, X. "Modeling of Cavitation Bubble Motion in a Micro-Tube." Proceedings of the ASME 2014 International Mechanical Engineering Congress and Exposition. Volume 8B: Heat Transfer and Thermal Engineering. Montreal, Quebec, Canada. November 14–20, 2014. V08BT10A025. ASME. https://doi.org/10.1115/IMECE2014-39871
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