Effective use of overdriven detonation in high explosives

Masahiko Otsuka; Hideyuki Morimoto; Shirou Nagano; Eiji Hida; Kenji Kuroki; Shigeru Itoh

doi:10.1117/12.516938

1 August 2003 Effective use of overdriven detonation in high explosives

Masahiko Otsuka, Hideyuki Morimoto, Shirou Nagano, Eiji Hida, Kenji Kuroki, Shigeru Itoh

Proceedings Volume 4948, 25th International Congress on High-Speed Photography and Photonics; (2003) https://doi.org/10.1117/12.516938
Event: 25th international Congress on High-Speed photography and Photonics, 2002, Beaune, France

Abstract

Explosives can easily generate the high energy and the ultra-high pressure. The performance of explosive depends on its own chemical poperty, the detonation wave usually propagates with the stable value of pressure behind it, the pressure is so called "Chapman-Jouguet (C-J) pressure." If the higher pressure over C-J pressure can be expected to occur, it is very effective for a development of new materials. We take notice of Overdriven Detonation (following O.D.D.) phenomenon that expects to bring out higher detonation pressures than C-J pressure of explosive. This phenomenon can be occurred when the flyer plate of high velocity impacts the explosive, or the explosive compressed by the advance detonates, or converging detonation of the explosive.

Citation Download Citation

Masahiko Otsuka, Hideyuki Morimoto, Shirou Nagano, Eiji Hida, Kenji Kuroki, and Shigeru Itoh "Effective use of overdriven detonation in high explosives", Proc. SPIE 4948, 25th International Congress on High-Speed Photography and Photonics, (1 August 2003); https://doi.org/10.1117/12.516938

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