DETONATION INITIATION OF THE LAYER ON STEEL PLATE. NUMERICAL SIMULATION AND COMPARISON WITH EXPERIMENT

V.G. Morozov, L.I. Karpenko, L.V. Dmitrieva, N.V. Korepova, T.L. Grebennikova, S.S. Sokolov, A.D. Kovtun, V.A. Komrachkov, L.A. Tolstikova, Yu.M. Makarov
VANT. Ser.: Mat. Mod. Fiz. Proc 1997. Вып.1. С. 59.

      The report presented the results of numerical simulation of X-ray recording detonation initiation and evolution in a plane HE layer from a linear initiator located on the surface of a plane layer confined with a steel plate from the opposite side. When the diverging wave is reflected from a steel barrier a shock or detonation wave is generated (depending on HE layer thickness) which propagates along the barrier surface. With decreasing HE thickness a delay in detonation propagation along the layer is observed. This effect is a significant characteristic of shock-wave HE sensitivity and accuracy of its simulation which was made by 2-D gas-dynamical programs using the detonation kinetics model. The computed result reproduces the experimental picture fairly well.