A two dimensional air jet was blown out from a nozzle into water in a thin vessel. The behavior of the interface between water and the air jet and also the air jet were recorded with a high speed video camera. Filament-like ears and wisps pulled-out from the wavy water surface were noticed in the recorded photos. Droplets are formed from these. Droplet diameters were obtained from the recorded photos. As the air velocity increased, the number of droplets created by the air jet increased lineally and the smaller droplets increased. The correlation for the droplet diameter distribution developed for the annular dispersed two-phase flow in a pipe predicted well the present results. The correlations for the droplet diameter developed for the annular dispersed two-phase flow in a pipe and for the jet blowing out from the stagnant water pool considerably underpredict the experimental results.
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2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference
July 30–August 3, 2012
Anaheim, California, USA
Conference Sponsors:
- Nuclear Engineering Division
- Power Division
ISBN:
978-0-7918-4499-1
PROCEEDINGS PAPER
Visualization of Entrainment and Surface Behavior of High Speed Air Jet Blowing Out From a Hole to Stagnant Water Available to Purchase
Kohei Nago,
Kohei Nago
Shinshu University, Ueda, Nagano, Japan
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Yasuo Koizumi,
Yasuo Koizumi
Shinshu University, Ueda, Nagano, Japan
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Akihiro Uchibori,
Akihiro Uchibori
Japan Atomic Energy Agency, O-arai, Ibaraki, Japan
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Hiroyuki Ohshima
Hiroyuki Ohshima
Japan Atomic Energy Agency, O-arai, Ibaraki, Japan
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Kohei Nago
Shinshu University, Ueda, Nagano, Japan
Yasuo Koizumi
Shinshu University, Ueda, Nagano, Japan
Akihiro Uchibori
Japan Atomic Energy Agency, O-arai, Ibaraki, Japan
Hiroyuki Ohshima
Japan Atomic Energy Agency, O-arai, Ibaraki, Japan
Paper No:
ICONE20-POWER2012-55068, pp. 529-534; 6 pages
Published Online:
October 30, 2013
Citation
Nago, K, Koizumi, Y, Uchibori, A, & Ohshima, H. "Visualization of Entrainment and Surface Behavior of High Speed Air Jet Blowing Out From a Hole to Stagnant Water." Proceedings of the 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles. Anaheim, California, USA. July 30–August 3, 2012. pp. 529-534. ASME. https://doi.org/10.1115/ICONE20-POWER2012-55068
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