Measurement of the Chapman-Jouguet Pressure and Reaction Zone Length in a Detonating High Explosive
- 1 July 1955
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 23 (7) , 1268-1273
- https://doi.org/10.1063/1.1742255
Abstract
The Chapman-Jouguet pressure and the reaction zone length in detonating Composition B containing 63 percent RDX at a density of 1.67 g/cc have been measured by determining the initial free surface velocity imparted to aluminum plates as a function of plate thickness. The C-J pressure is 0.272 megabar and the reaction zone length is 0.13 mm. The experimental free surface velocity-plate thickness curve provides powerful confirmation for the pressure profile in a detonating explosive predicted by the hydrodynamic theory of detonation proposed by Zeldovich, von Neumann, and Doring.Keywords
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