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Space environment ground-based simulation plasma generating device and plasma generating method achieved through device

A technology for plasma and ground simulation, which is applied in the fields of simulation devices for plasma and space navigation conditions, transportation and packaging, etc. It can solve the lack of plasma density distribution and other problems, and achieve the effect of reliable density distribution and density distribution control

Inactive Publication Date: 2016-08-10
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention aims to solve the problem that existing devices and methods for simulating space plasma lack reliable control of plasma density distribution

Method used

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  • Space environment ground-based simulation plasma generating device and plasma generating method achieved through device
  • Space environment ground-based simulation plasma generating device and plasma generating method achieved through device
  • Space environment ground-based simulation plasma generating device and plasma generating method achieved through device

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specific Embodiment approach 1

[0029] Specific implementation mode one: refer to figure 1 Specifically illustrate the present embodiment, the space environment ground simulation plasma generation device described in the present embodiment, it comprises vacuum chamber 1, dipole field coil 2, window 3 and ECR antenna 4,

[0030] The vacuum chamber 1 is a horizontal cylindrical structure, and a dipole field coil 2 is set inside the vacuum chamber 1 with the center of the vacuum chamber 1 as the center of the circle. The dipole field coil 2 is used to generate a simulated earth dipole field pattern magnetic field, while providing a resonant magnetic field structure for the ECR system,

[0031] Two opposite windows 3 are arranged on the outer cylinder of the vacuum chamber 1, and the two windows 3 are perpendicular to the axis of the dipole field coil 2,

[0032] The ECR antenna 4 is a microwave feed-in system, and the ECR antenna 4 is used to feed an external ECR source into the vacuum chamber 1 through two wi...

specific Embodiment approach 2

[0035] Embodiment 2: This embodiment is to further explain the space environment ground simulation plasma generation device described in Embodiment 1. In this embodiment, the surface of the dipole field coil 2 is treated with low outgassing rate and insulation.

specific Embodiment approach 3

[0036] Specific implementation mode three: refer to Figure 2 to Figure 6 Specifically explain this embodiment, according to the plasma generation method realized by the space environment ground simulation plasma generation device described in the first embodiment, in this embodiment, it includes the following content:

[0037] First, obtain the vacuum magnetic field distribution of the dipole field coil 2 under the current passing through the magnetic field simulation software, and the vacuum magnetic field distribution includes the positions of multiple microwave frequency resonant planes, wherein each microwave frequency M 1 Corresponding to the position B of a resonant plane 1 ,

[0038] Secondly, according to the magnetic fluid calibration relationship, determine the magnetic field B of the target area 0 , according to the target area magnetic field B 0 The intersection point with the equatorial plane 8 of the vacuum magnetic field distribution generated by the dipole ...

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Abstract

The invention provides a space environment ground-based simulation plasma generating device and a plasma generating method achieved through the device and relates to the technical field of low-temperature plasma application. The space environment ground-based simulation plasma generating device aims to solve the problem that an existing space plasma simulating device and method can not control distribution of plasma density reliably. A vacuum chamber is of a horizontal cylindrical structure, and a dipole field coil is arranged with the center position of the vacuum chamber as the circle center and used for generating a simulation earth dipole field bit-type magnetic field and providing resonance magnetic field structure for an ECR system. Two opposite windows are arranged on the outer cylinder shape of the vacuum chamber and are perpendicular to the axis of the dipole field coil. An ECR antenna is a microwave feed-in system and used for feeding an external ECR source into the vacuum chamber through the two windows to carry out ionization of gas in a designated area, so that external ECR plasmas generated in the dipole field coil with the dipole field coil as the center are generated. The device can be used for generating the controllable plasmas.

Description

technical field [0001] The invention relates to a plasma generation method realized by a ground plasma generation location and a device that can be used to simulate a space plasma environment. It belongs to the application technical field of low temperature plasma. Background technique [0002] Most of the satellites currently in orbit operate in areas containing disastrous eruptions such as magnetic storms and substorms, and the corresponding extreme environment of space plasma seriously threatens the safety of spacecraft. The acceleration mechanism of relativistic electrons whose energies range from 500keV to several MeV for seed electrons to become killer electrons is difficult to answer directly through satellite observations and current numerical simulation conditions. In the past 20 to 30 years, with the maturity of plasma physics, the development of plasma source, diagnosis and other technologies, laboratory ground simulation methods have become more and more mature,...

Claims

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Application Information

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IPC IPC(8): B64G7/00H05H1/46
CPCB64G7/00B64G2007/005H05H1/46H05H1/463
Inventor 肖青梅王志斌鄂鹏聂秋月
Owner HARBIN INST OF TECH
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