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Jet flow forming device with strong magnetic driving

A molding device and strong magnetic technology, applied in blasting and other directions, can solve the problems of difficult control of jet velocity, insufficient penetration ability, low energy utilization rate, etc., and achieve the effects of easy processing, increased penetration ability, and easy control

Active Publication Date: 2018-10-12
NANJING UNIV OF SCI & TECH
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a jet molding device driven by a strong magnetic field, which solves the problems of insufficient jet energy, insufficient penetration ability, difficult control of jet velocity and low energy utilization rate formed by traditional shaped charges

Method used

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  • Jet flow forming device with strong magnetic driving
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  • Jet flow forming device with strong magnetic driving

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0019] The invention is a jet molding device driven by a strong magnetic field. It adopts an easy-to-control magnetic field coupling method and uses a high-energy pulse capacitor bank to generate a megaampere-level strong current. In the direction of the magnetic field, the metal liner is subjected to the Ampere force converging in the axial direction, and then the liner is crushed to form a metal jet. Theoretically speaking, the greater the current flowing through the medicine-shaped shield, the greater the crushing speed of the medicine-formed shield, the higher the velocity of the jet head, and the stronger its penetration power. And the cone angle of the liner can be designed to be very small, which can not only increase the length of the generatrix of the liner, but also increase the effective length of the jet, and further improve the penetration power....

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Abstract

The invention discloses a jet flow forming device with strong magnetic driving. The jet flow forming device with strong magnetic driving comprises a liner device, a pedestal and an output end. A capacitor unit with high energy storage is used as an initial loading energy source to generate strong electric current of a megampere level, a strong magnetism loading manner is innovatively adopted to enable the electric current to flow through the surface of the metal liner and generate a toroidal magnetic field, and the metal liner stresses ampere force converging in the axial direction and then overwhelms the liner to form metal jet flow. The higher the electric current flowing through the liner, the higher overwhelming speed of the liner is, so that the speed of the head of jet flow is higher, and the penetration power of the jet flow is higher. With the jet flow forming device with strong magnetic driving, jet flow forming measures of new concepts and new principles can be enriched, thesingle mode, used for decades, of explosive driving forming jet flow is broken through, and the methods of driving jet flow forming are expanded. The jet flow forming device with strong magnetic driving can be applied to high-speed jet flow forming and hole forming power enhancement.

Description

technical field [0001] The invention belongs to a jet flow device, in particular to a strong magnetically driven jet flow forming device. Background technique [0002] Because the shaped-energy jet penetrating body produced by the explosion of the shaped charge has a strong penetration ability, it has received general attention from the military of all countries in the world. After the Second World War, with the continuous emergence of new types of protective armor, it posed a great challenge to the traditional shaped charge. How to improve the penetrating ability of the armor-piercing warhead has become a hot topic of research by scholars at home and abroad. one. With the development of fortification protection and armor technology, weapon systems such as anti-armor and solid targets, as well as shaped charge technology are also constantly developing. Shaped charges can be divided into three typical charges, cone charge, sub-hemispherical charge and K charge. The velocit...

Claims

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Application Information

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IPC IPC(8): F42D1/08F42D5/04
CPCF42D1/08F42D5/04
Inventor 贾鑫豆剑豪黄正祥朱奇峰祖旭东肖强强
Owner NANJING UNIV OF SCI & TECH
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