Abstract
Numerical simulation of the flow in a detonation wave is used to examine the pressure and mass velocity profiles as functions of time for planar unsteady flow and for the case of flow divergence behind the detonation wave. The reaction in the detonation wave is presented in two-stage form, where the main energy is released occurring at the detonation wave front and while the additional production giving heat takes a finite time behind the front. The authors consider the case where the secondary heat production causes the compression wave to catch up with the detonation wave front and accentuate it. The effects of explosive decomposition kinetics on the pressure and mass-velocity profiles behind the detonation wave are examined. The authors found that there are no prominent kinds on the pressure and mass-velocity profiles in stationary detonation waves for short and long charges (small diameters, less than the limiting value) for reaction kinetics smooth at the Chapman-Jouguet point where type 2 kinetics will give rise to a kink.
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