Visualization of a highly submerged cavitating water jet was done by high-speed camera photography in order to study and understand the jet structure and the behavior of cloud cavitation within time and space. The influencing parameters, such as injection pressure, nozzle diameter and geometry, and nozzle direction (convergent and divergent), were experimentally proven to be very significant. Periodical shedding and discharging of cavitation clouds have been also analyzed and the corresponding frequency was determined by cloud shape analysis. Additionally, the dependence of this frequency on injection pressure and nozzle geometry has been analyzed and a simple formula of correspondence has been proposed. The formula has been tested on self-measured and literature data. The recordings of sonoluminescence phenomenon proved the bubble collapse everywhere along the jet.
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February 2008
Research Papers
Frequency in Shedding/Discharging Cavitation Clouds Determined by Visualization of a Submerged Cavitating Jet
Ezddin A. F. Hutli, M.Sc.,
Ezddin A. F. Hutli, M.Sc.
Ph.D. Student
Faculty of Mechanical Engineering,
University of Belgrade
, Belgrade 11120, Serbia
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Milos S. Nedeljkovic
Milos S. Nedeljkovic
Professor Dr. Ing.
Mem. ASME
Faculty of Mechanical Engineering,
University of Belgrade
, Belgrade 11120, Serbia
Search for other works by this author on:
Ezddin A. F. Hutli, M.Sc.
Ph.D. Student
Faculty of Mechanical Engineering,
University of Belgrade
, Belgrade 11120, Serbia
Milos S. Nedeljkovic
Professor Dr. Ing.
Mem. ASME
Faculty of Mechanical Engineering,
University of Belgrade
, Belgrade 11120, SerbiaJ. Fluids Eng. Feb 2008, 130(2): 021304 (8 pages)
Published Online: January 31, 2008
Article history
Received:
September 23, 2006
Revised:
July 11, 2007
Published:
January 31, 2008
Citation
Hutli, E. A. F., and Nedeljkovic, M. S. (January 31, 2008). "Frequency in Shedding/Discharging Cavitation Clouds Determined by Visualization of a Submerged Cavitating Jet." ASME. J. Fluids Eng. February 2008; 130(2): 021304. https://doi.org/10.1115/1.2813125
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