Visualization of Cavitation Inside Nozzle Hole and Injected Liquid Jet

Paper #:
  • 2015-01-1908

Published:
  • 2015-09-01
DOI:
  • 10.4271/2015-01-1908
Citation:
Inagaki, R., Yamazaki, T., Haibara, T., Mitani, S. et al., "Visualization of Cavitation Inside Nozzle Hole and Injected Liquid Jet," SAE Technical Paper 2015-01-1908, 2015, doi:10.4271/2015-01-1908.
Pages:
7
Abstract:
The atomization structure of the fuel spray is known to be affected by flow conditions and cavitation inside the nozzle hole. In this paper, the cavitation phenomena inside the nozzle hole was visualized by using large-scale transparent nozzles, as well as the effect of length-to-width ratio (l/w ratio) of the nozzle hole on cavitation and on the behavior of injection liquid jet. In addition, various flow patterns inside the nozzle hole same as experimental conditions were simulated by the use of Cavitation model incorporated in Star-CCM+, which was compared with experimental results.
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