Converging Underwater Shock Waves for Metal Processing

  • S. Itoh
  • M. Fujita
  • S. Nagano
  • K. Kamohara
Conference paper

Abstract

A new apparatus consisting of an ellipsoidal pressure vessel is proposed for punching holes on pipe walls from the inside. The phenomena taking place in the vessel were investigated experimentally and by a numerical method. When the aspect ratio (i.e. the ratio between the major and minor axes of the ellipsoid) was 2.0, the most suitable pressure distribution was obtained in the apparatus.

Key words

Converging shocks Underwater shocks Metal processing 

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References

  1. Chakravarthy SR, Osher S (1984) AIAA Paper 85–360Google Scholar
  2. Itoh S, Kamohara K, Nagano S, Fujita M (1993) Explosion, Explosives and Pyrotechnics, No.54, Vol.30 (in Japanese)Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • S. Itoh
    • 1
  • M. Fujita
    • 1
  • S. Nagano
    • 1
  • K. Kamohara
    • 1
  1. 1.Department of Mechanical Engineering Faculty of EngineeringKumamoto UniversityKumamotoJapan

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