High-Speed Photography In Detonics

M. Held

doi:10.1117/12.968007

1 February 1985 High-Speed Photography In Detonics

M. Held

Proceedings Volume 0491, 16th Intl Congress on High Speed Photography and Photonics; (1985) https://doi.org/10.1117/12.968007
Event: 16th International Congress on High Speed Photography and Photonics, 1984, Strasbourg, France

Abstract

The term of "detonics" is generally applied to all the physical phenomena 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 the 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 to events caused by high pressure and shock waves, and their commercial development has produced reliable and easy-to-use instruments. Thus, the scientist working on 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 detonics diagnostics. Further some sophisticated, and even "tricky", configurations for optical high-speed measurements in the field of detonics will be shown in various examples which have recently been in refinded detonation diagnostics.

Citation Download Citation

M. Held "High-Speed Photography In Detonics", Proc. SPIE 0491, 16th Intl Congress on High Speed Photography and Photonics, (1 February 1985); https://doi.org/10.1117/12.968007

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