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Proceedings Paper

High-speed photography and spectroscopy in determining the nature, number, and evolution of hot spots in energetic materials
Author(s): William G. Proud; Edward J. W. Crossland; John E. Field
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Paper Abstract

Hot-spot formation is regarded as the principal phenomenon by which energetic materials start to react, deflagrate and, in some cases, detonate. The principal mechanisms by which these localized regions of high-temperature form have been identified and widely studied; mechanisms such as friction, pore collapse and jetting have been highlighted. High-speed imaging techniques have been applied to beds of ammonium nitrate under high velocity impact in order to evaluate the contribution of each mechanism to the ignition of this material.

Paper Details

Date Published: 1 August 2003
PDF: 9 pages
Proc. SPIE 4948, 25th International Congress on High-Speed Photography and Photonics, (1 August 2003); doi: 10.1117/12.516944
Show Author Affiliations
William G. Proud, Univ. of Cambridge (United Kingdom)
Edward J. W. Crossland, Univ. of Cambridge (United Kingdom)
John E. Field, Univ. of Cambridge (United Kingdom)

Published in SPIE Proceedings Vol. 4948:
25th International Congress on High-Speed Photography and Photonics
Claude Cavailler; Graham P. Haddleton; Manfred Hugenschmidt, Editor(s)

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