Converging Underwater Shock Waves for Metal Processing
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 wordsConverging shocks Underwater shocks Metal processing
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