Ballistic Detonics Instrumentation In High Speed Photography

M. Held

doi:10.1117/12.969115

7 June 1989 Ballistic Detonics Instrumentation In High Speed Photography

M. Held

Proceedings Volume 1032, 18th Intl Congress on High Speed Photography and Photonics; (1989) https://doi.org/10.1117/12.969115
Event: 18th International Congress on High Speed Photography and Photonics, 1988, Xi'an, Shaanxi, China

Abstract

The term "ballistic detonics instrumentation" is generally applied to all physical observations that occur in connection with the detonation of conventional high explosives. The reaction and/or detonation velocities are of the order of 1000 m/s to 9000 m/s, at pressures of several hundreds of kbar. In order to obtain records or pictures of a detonative event with little motion blur and high time resolution, exposure times of less than 10 ns and frame rates higher than 106/s are desirable. About one or two decades ago, new discoveries and improved knowledge in the field of detonics were heavily dependent upon developments in high speed photography. Nowadays, however, special cameras are available for diagnosing detonation phenomena and events involving high pressure and shock waves, and their commercial development has produced reliable and easy-to-use instruments. Thus, the scientist working on ballistic detonics problems can now concentrate on developing measuring techniques instead of developing measuring instrumentation. A short overview will be given of the different most used and important optical equipments and cameras in the field of ballistic detonics instrumentation. Furthermore various examples of sophisticated, and even "tricky", configurations for optical high-speed mea-surements in the field of ballistic detonics diagnostics will be shown.

Citation Download Citation

M. Held "Ballistic Detonics Instrumentation In High Speed Photography", Proc. SPIE 1032, 18th Intl Congress on High Speed Photography and Photonics, (7 June 1989); https://doi.org/10.1117/12.969115

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