High-low-pressure plasma generator and closed bomb vessel
A plasma, high and low pressure technology, applied in the field of plasma, can solve the problems of difficult control of nozzle pressure, unrealizable, small ablation area of capillary wall, etc., to achieve uniformity, ensure ablation strength, and increase gas production. Effect
Active Publication Date: 2019-06-14
XI AN JIAOTONG UNIV
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Problems solved by technology
[0004] (1) The plasma is ejected from the bottom, which is not conducive to the uniform ignition and combustion of the propellant;
[0005] (2) The nozzle pressure is difficult to control, and it cannot be adjusted accurately during the ignition process of the propellant;
[0006] (3) The ablation area of the capillary wall is small, and the generation of gas cannot be effectively adjusted
[0007] However, different ignition conditions are required under different propellants and charge conditions. In order to obtain ideal plasma ignition conditions, it cannot be achieved by existing technologies
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[0031] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", "end", "side" etc. is based on the Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicit...
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Abstract
The invention discloses a high-low-pressure plasma generator and a closed bomb vessel. The plasma generator comprises a porous cylinder, wherein grooving capillaries are axially arranged in the porouscylinder; discharge metal wires are arranged in the grooving capillaries; and the two ends of the grooving capillaries and the discharge metal wires are respectively connected with a positive choke plug and a negative choke plug which are arranged at the two ends of the porous cylinder. The plasma generator achieves the uniformity, the consistency and the controllability in a propellant ignitionprocess of plasma.
Description
technical field [0001] The invention belongs to the field of plasma technology, and in particular relates to a high-low pressure plasma generator and a closed explosive device. Background technique [0002] Plasma is an ionized gas-like substance composed of atoms deprived of some electrons and positive and negative ions generated after ionization of atomic groups. It is a macroscopically neutral ionized gas whose scale is larger than the Debye length. Its movement is mainly dominated by electromagnetic force and exhibits significant collective behavior. Depending on the application object, the plasma generator is also different. Capillary discharge plasma generators are commonly used in electrothermal chemical guns to generate thermal plasma and ignite the propellant by plasma. [0003] The structure of the capillary discharge plasma makes the direction of the plasma more constrained, and more plasma-state substances can be generated by ablation of the capillary, but there...
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Inventor 陈立张江波李鹏辉李兴文杨伟鸿樊浩
Owner XI AN JIAOTONG UNIV