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Method for determining secondary magnetic insulation electron sheath boundary of induction voltage adder

A technology of electronic sheath and induced voltage, which is applied in the direction of instruments, electrical digital data processing, special data processing applications, etc.

Active Publication Date: 2016-11-09
NORTHWEST INST OF NUCLEAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Foreign large-scale three-dimensional particle simulation software such as LSP has been embargoed to my country. Domestic three-dimensional PIC simulation software and codes are still in the development and testing stage, and there is still a certain gap from mature applications.

Method used

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  • Method for determining secondary magnetic insulation electron sheath boundary of induction voltage adder
  • Method for determining secondary magnetic insulation electron sheath boundary of induction voltage adder
  • Method for determining secondary magnetic insulation electron sheath boundary of induction voltage adder

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Embodiment Construction

[0079] The present invention proposes a method for determining the boundary of the secondary magnetically insulated electronic sheath of an induced voltage superposer. The core idea is: (1) Establish a mathematical and physical equation that the boundary of the magnetically insulated electronic sheath satisfies, and deduce the theory of relativity inside / outside the boundary of the electronic sheath Generic analytical expressions for factors. (2) The spatial distribution of the cathode angular magnetic field is measured experimentally, and the undetermined coefficients in the general solution expression are obtained by combining the numerical solution method. (3) Assuming that the boundary of the electron sheath satisfies several given distribution forms (such as cosine distribution, quadratic parabolic distribution, Gaussian distribution, etc.), determine the undetermined parameters and calculation errors in each assumed distribution, and the distribution with the smallest err...

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Abstract

The invention relates to a method for determining a secondary magnetic insulation electron sheath boundary of an induction voltage adder. The method comprises the steps of (1) establishing a mathematic physical equation met by the magnetic insulation electron sheath boundary and deducing a universal analytic expression of an inside / outside relativity factor of the electron sheath boundary; (2) measuring poloidal magnetic field space distribution of a negative electrode through an experiment and obtaining an undetermined coefficient in a general solution expression in combination with a numerical solving method; and (3) supposing that the electron sheath boundary meets multiple given distribution forms (such as cosine distribution, quadratic parabola distribution, Gaussian distribution and the like), determining an undetermined parameter and a calculation error in each supposed distribution, and regarding the distribution with the smallest error as real distribution of the electron sheath boundary. Compared with an existing particle simulation determination method, the method can be used for avoiding the technical problem of immature three-dimensional particle simulation software and codes in China at present, and has the advantages of high accuracy and short consumed time.

Description

technical field [0001] The invention proposes a method for determining the boundary of a secondary magnetically insulated electronic sheath of an induced voltage superimposed device, which has important applications in pulsed power devices such as induced voltage superimposed devices and vacuum magnetically insulated transmission lines. Background technique [0002] Induction voltage adders (IVA) is a high-current pulse power drive source technology, which can generate high-power electric pulses with a voltage of several MV to tens of MV and a current of tens to hundreds of kA. It has important applications in fields such as simulation and high-energy pulsed X-ray flash photography. In essence, IVA can be regarded as multiple primary pulse transformers with a transformation ratio of 1:1 connected in parallel, and the secondary coils are connected in series. The induction chamber of each stage is equivalent to the primary coil of the pulse transformer, and a central inner cy...

Claims

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Application Information

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IPC IPC(8): G06F19/00
CPCG16Z99/00
Inventor 魏浩孙凤举邱爱慈呼义翔梁天学尹佳辉
Owner NORTHWEST INST OF NUCLEAR TECH
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