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Space environment ground simulation plasma generation device and plasma generation method realized by using the 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: 2017-11-14
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 simulation plasma generation device and plasma generation method realized by using the device
  • Space environment ground simulation plasma generation device and plasma generation method realized by using the device
  • Space environment ground simulation plasma generation device and plasma generation method realized by using the 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

A space environment ground simulation plasma generation device and a plasma generation method realized by the device relate to the application technical field of low temperature plasma. The invention aims to solve the problem that the existing devices and methods for simulating space plasma lack reliable control of plasma density distribution. The vacuum chamber is a horizontal cylindrical structure, and the center of the vacuum chamber is used as the center of the circle to set the dipole field coil. The dipole field coil is used to generate a magnetic field that simulates the earth's dipole field, and provides a resonant magnetic field structure for the ECR system. There are two opposite windows on the outer cylinder of the vacuum chamber, and the two windows are perpendicular to the axis of the dipole field coil. The ECR antenna is a microwave feeding system, which is used to feed the external ECR source into the vacuum through the two windows. In the chamber, gas is ionized in a designated area to generate ECR plasma centered on the dipole field coil and generated outside the dipole field coil. It is used to generate a controlled plasma.

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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Patent Type & Authority Patents(China)
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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