Abstract
The high-speed metal jet generated by the high explosive antitank method to damage the armor vehicles and tanks. The penetration capacity of the high-speed metal jet is proportional to the effective length of the metal jet. In order to improve the effective length of the metal jet, an electromagnetic enhancing system is put forward, and its principle is introduced. The time sequence of the high-speed metal jet and the pulsed magnetic field is analyzed, and the determination method of the time sequence is obtained. Furthermore, the simulation model of the electromagnetic enhancing system is established based on finite element method, and the distribution characteristics of the discharge current, magnetic field, and the electromagnetic force are obtained. Finally, an experiment system of the electromagnetic enhancing system is built and some verification experiments are carried out. With the analysis and the experiments, the conclusions as follows can be drawn: the high-speed metal jet will be reshaped with the effect of the axial pulsed magnetic field, and the effective length will be improved. Furthermore, the optimal time sequence is that when the central sections of the metal jet and magnetic field coil coincide, the discharge current of the magnetic field coil just reaches its peak point.
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