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Proceedings Paper

Spectroscopic study on the implosion of detonation
Author(s): Hiroyuki Matsui; Yoshiro Nagumo
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Paper Abstract

Dynamic behavior of the imploding detonation in C2H2-O2 mixtures is monitored using a high speed image converter camera (Imacon 790) with frame intervals of 50 to 500 nsec. Excellent cylindrical symmetry is maintained until the imploding shock wave is confined as small as 0.2 mm in diameter. Temperatures behind the reflected shock waves are determined from the spectral intensity distribution of the plasma and a theoretical model for the strong reflected shock wave of the imploding detonation is examined by comparing the experimental results. Line spectrum of calcium ion emitted from the CaF2 window is also identified as a source of the very strong radiation with a long life time at the center of the implosion.

Paper Details

Date Published: 28 May 1997
PDF: 6 pages
Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); doi: 10.1117/12.273435
Show Author Affiliations
Hiroyuki Matsui, Univ. of Tokyo (Japan)
Yoshiro Nagumo, Univ. of Tokyo (Japan)


Published in SPIE Proceedings Vol. 2869:
22nd International Congress on High-Speed Photography and Photonics
Dennis L. Paisley; ALan M. Frank, Editor(s)

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