High Speed Photography Of The Interaction Of Shocks With Voids In Condensed Media

M.Munawar Chaudhri; Lars-Ake Almgren; Algot Persson

doi:10.1117/12.967768

1 March 1983 High Speed Photography Of The Interaction Of Shocks With Voids In Condensed Media

M.Munawar Chaudhri, Lars-Ake Almgren, Algot Persson

Proceedings Volume 0348, 15th Intl Congress on High Speed Photography and Photonics; (1983) https://doi.org/10.1117/12.967768
Event: 15th International Congress on High Speed Photography and Photonics, 1982, San Diego, United States

Abstract

High-speed photography has been made of the collapse of 2.5-10 mm diameter glass and aluminium hollow spheres by water shocks of strength 5-20 kbar. The camera used was a multiple Kerr-Cell type, framing at speeds of up to 2 million frames second. The collapse process has been shown to be asymmetrical giving rise to 'jetting'. The impact of the 'jet' on the front wall of the void results in a localised secondary shock of intensity approximately equal to that of the primary shock. It is proposed that it is the localised secondary shock which is responsible for the sensitization of explosives containing gas pockets/voids.

Citation Download Citation

M.Munawar Chaudhri, Lars-Ake Almgren, and Algot Persson "High Speed Photography Of The Interaction Of Shocks With Voids In Condensed Media", Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); https://doi.org/10.1117/12.967768

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