Advances in silica based glasses for UV and vacuum UV laser optics

Go Utsunomiya; Atsushi Abe; Hidenori Ojima; Toshihiro Ogawa; Tsutomu Saitou; Kazuyoshi Takayama; Yukio Hyodo; Hiroyuki Nakamura

doi:10.1117/12.516810

1 August 2003 Effect of temperature gradient on blast wave propagation

Go Utsunomiya, Atsushi Abe, Hidenori Ojima, Toshihiro Ogawa, Tsutomu Saitou, Kazuyoshi Takayama, Yukio Hyodo, Hiroyuki Nakamura

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Proceedings Volume 4948, 25th International Congress on High-Speed Photography and Photonics; (2003) https://doi.org/10.1117/12.516810
Event: 25th international Congress on High-Speed photography and Photonics, 2002, Beaune, France

Abstract

The propagation of blast waves is strongly influenced by atmospheric conditions. The effect of non-uniform temperature distribution on the blast wave propagation in the atmosphere is investigated at the Shock Wave Research Center (SWRC), Institute of Fluid Science, Tohoku Univ. The temperature difference of five degrees in the vertical direction is created in the 1000 mm x 700 mm explosion box, in which the spherical blast waves are generated by igniting 10 mg of AgN₃ pellet. The propagations of blast waves are successfully observed and visualized by using double exposure holographic interferometory.

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Go Utsunomiya, Atsushi Abe, Hidenori Ojima, Toshihiro Ogawa, Tsutomu Saitou, Kazuyoshi Takayama, Yukio Hyodo, and Hiroyuki Nakamura "Effect of temperature gradient on blast wave propagation", Proc. SPIE 4948, 25th International Congress on High-Speed Photography and Photonics, (1 August 2003); https://doi.org/10.1117/12.516810

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