Abstract
Underwater explosion experiments were conducted to determine the optimal performance of cyclotrimethylenetrinitramine (RDX)-based aluminized explosives with an aluminum content of 0%, 15%, and 30%. Free-field blast output energies of the three types of explosives were measured between 0.3 and 0.8 m. The shock wave energy, bubble energy, detonation energy, and energy heat release rate were measured. A new calculation method was based on the experimental results to simulate the bubble pulse process and pressure changes inside the bubbles of non-ideal explosives. The specific distance at which maximum total energy was achieved for the underwater explosion was determined.
Highlights
Extensive developmental research has been carried out on explosives used in underwater weapons, such as RS211 (RDX64/TNT19/Al17), H-6 (RDX45/TNT30/ Al20/D2wax5), HBX-1 (RDX40/TNT38/Al17/D2wax5), HBX-3 (RDX31/TNT29/Al35/D2wax5), and polymerbonded explosive (PBX)-111 (AP43/RDX20/Al25/ HTPB12).[1]
Research on propagation rules of RDX-based aluminized explosives is of vital significance to improve the technical approaches to explosive energy
Energy release from classic and basic non-ideal aluminized explosives can be divided into the heat of detonation and combustion, where the latter is generated by burning fuel-rich products that are created by the detonation.[2]
Summary
Extensive developmental research has been carried out on explosives used in underwater weapons, such as RS211 (RDX64/TNT19/Al17), H-6 (RDX45/TNT30/ Al20/D2wax5), HBX-1 (RDX40/TNT38/Al17/D2wax5), HBX-3 (RDX31/TNT29/Al35/D2wax5), and polymerbonded explosive (PBX)-111 (AP43/RDX20/Al25/ HTPB12).[1]. Keywords RDX-based aluminized explosive, underwater explosion, detonation parameters, cavitation bubble pulsation, bubble simulation
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