Hycam camera study of the features of a deflagrating munition

Trevor J. Kinsey; T. J. Bussell; M. C. Chick

doi:10.1117/12.24088

1 April 1991 Hycam camera study of the features of a deflagrating munition

Trevor J. Kinsey, T. J. Bussell, M. C. Chick

Proceedings Volume 1358, 19th Intl Congress on High-Speed Photography and Photonics; (1991) https://doi.org/10.1117/12.24088
Event: 19th International Congress on High-Speed Photography and Photonics, 1990, Cambridge, United Kingdom

Abstract

We report on the use of a rotating prism high speed camera (Hycam) in a field study of the early stages of the breakup characteristics of a deflagrating Composition B loaded 105 mm HE shell. The experiments are part of a program aimed at assessing candidate processes that may contribute to the mass detonation hazard of explosive stores. The experimental requirements for the successful observation of the deflagrating shell are described in detail. The camera was run at 35,000 to 40,000 pictures per second with a 1/10 shutter fitted. High intensity illumination of the shell was provided by an array of class S flash bulbs and diffusion screen. Baffles were essential in order to screen the shell from the expanding products of the shaped explosive charge device used to produce the controlled deflagration of the shell. The technique successfully allowed the determination of several parameters associated with the event including shell expansion rate, time to shell burst and initial fragment velocity. Products escaping from the cracking shell limited the use of the technique for studying shell to shell interactions.

Citation Download Citation

Trevor J. Kinsey, T. J. Bussell, and M. C. Chick "Hycam camera study of the features of a deflagrating munition", Proc. SPIE 1358, 19th Intl Congress on High-Speed Photography and Photonics, (1 April 1991); https://doi.org/10.1117/12.24088

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