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Ultra-fast optical pyrometry for the measurement of detonating explosive temperature

Published online by Cambridge University Press:  15 September 1999

B. Leal-Crouzet ,
R. Bouriannes ,
G. Baudin  and
J. C. Goutelle
B. Leal-Crouzet*
Affiliation:
DGA/Centre d'Etudes de Gramat, 46500 Gramat, France
R. Bouriannes
Affiliation:
ENSMA/Laboratoire de Combustion et Détonique, 86960 Futuroscope, France
G. Baudin
Affiliation:
DGA/Centre d'Etudes de Gramat, 46500 Gramat, France
J. C. Goutelle
Affiliation:
DGA/Centre d'Etudes de Gramat, 46500 Gramat, France
*
crouzetb@aol.combauding@cegramat.fr
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Abstract

This paper describes a multiwavelength optical pyrometer designed to measure, with a 3 ns rise-time, the evolution of a fast varying temperature as can be encountered in the detonation products of an explosive. By measuring six luminance temperatures within the visible and near infra-red spectra, this apparatus allows to determine a true surface temperature over the range 1500 to 6000 K. It has been used for studies of detonation in nitromethane, a transparent liquid explosive.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 8 , Issue 2 , September 1999 , pp. 189 - 194
Copyright
© EDP Sciences, 1999

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