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2. Contents, Vol. 51, 1993

Author

Kemal Sarica, K.U. Köhrmann, S. Lelcuk, Selami Albayrak, Kvist Kristensen, Itsuroh Sugihara, Z. Braf, Eric K. Seaman, Masanori Iguchi, Hanif G. Motiwala, Teruhiro Nakada, J.-E. Jansen, Tohru Umekawa, Paul P.C.A. Menheere, Kenjiro Kohri, C. Persson-Jünemann, K.P. Jünemann, Chisato Takamura, Khalid M.M. Abou Farha, Masaaki Hamano, Eiichi Okamoto, Ihor S. Sawczuk, Ruud A. Janknegt, H. Matzkin, Osamu Yoshida, D. Potempa, Tadashi Kotake, U. Engelmann, Shekhar Biyani, V. Bhatia, Takashi Kurita, Keisei Okamoto, Isoji Sasagawa, P. Ostri, Kohji Nakamura, Jan W. Arends, Toshihiro Sawamura, Carl A. Olsson, Fred H.M. Nieman, T. Lazauskas, Yuichi Adachi, O. Seemann, Haruo lto, A. Heidenreich, J. Chen, P. Alken, Rye Andersen, Shigeyuki Yanagi, Yoko Kubota, Hiroshi Hiai, Cavit Can, Tomoyuki Kato, and Takuo Fukuyama

Subjects
Traditional medicine, business.industry, Urology, Medicine, business
Published
1993
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17. Impact of Cavitating Jet in the Fluid existing Bubbles

Author

Toshihiro Sawamura

Subjects
Physics, Jet (fluid), Astrophysics::High Energy Astrophysical Phenomena, Acoustics, Bubble, Front (oceanography), Water jet, Fatigue limit, Physics::Fluid Dynamics, Physics::Plasma Physics, Cavitation, Metallic materials, High Energy Physics::Experiment, Impact
Abstract

Cavitation bubbles are generated when the high-speed water jet is spouted into static fluid. The bubble collapse causes highly impact force. Therefore, the cavitating jet is applied to remove the dirty on the material and improve the fatigue strength of metallic materials, and so on. However, the cavitation exists only in the region near the center of the jet. In this study, the cavitating jet in the static fluid with bubbles is observed by taking photographs from the side and the front of the jet, and the erosion by the cavitating jet is examined. The results show that the capability for process is high on the center of the jet and around the jet for no bubbles, but the region of the high capability for process is wide and averaged when the bubbles are mixed in the static fluid.

Published
2007
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