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Proceedings Paper

Visualization of shock waves generated from small charges in the air using Mach-Zehnder interferometry in conjunction with high-speed photography
Author(s): D. S. Mehta; Yuji Wada; Yuji Ogata; Masahiro Seto; T. Isei
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Paper Abstract

The propagation and interaction of shock waves generated by exploding point charges inside an open ended rectangular glass tube (inner size 29 mm X 16.5 mm and length 248 mm) were observed using Mach-Zehnder interferometry in conjunction with high-speed photography. The shock wave velocity in the air was determined using high-speed photographic data and it was found that the shock wave velocity decreases as the radial distance from the explosion center increases. From the determined shock wave velocity data the shock mach number was calculated and the corresponding shock front peak overpressure was determined. The shock reflections from the walls of the tube were also visualized and the reflection coefficient was calculated.

Paper Details

Date Published: 29 April 1999
PDF: 6 pages
Proc. SPIE 3729, Selected Papers from International Conference on Optics and Optoelectronics '98, (29 April 1999); doi: 10.1117/12.346818
Show Author Affiliations
D. S. Mehta, National Institute for Resources and Environment (Japan) and National Physical Lab. (India)
Yuji Wada, National Institute for Resources and Environment (Japan)
Yuji Ogata, National Institute for Resources and Environment (Japan)
Masahiro Seto, National Institute for Resources and Environment (Japan)
T. Isei, National Institute for Resources and Environment (Japan)


Published in SPIE Proceedings Vol. 3729:
Selected Papers from International Conference on Optics and Optoelectronics '98
Kehar Singh; Om Prakash Nijhawan; Arun Kumar Gupta; A. K. Musla, Editor(s)

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