In the paper, the detonation behavior of EAR15 explosive is analyzed by the numerical modeling and experimental data. The results show that EAR15 is a nonideal explosive, since in the detonation reaction zone both reacted and unreacted ammonium nitrate (AN) absorb the energy through the interface, resulting in the characteristic of nonideal detonation. In our tests, only 19-49% active (AN) takes part in reaction, the rest are as an inert at the detonation wave front. The order of affecting detonation velocity is given.
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