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Ion wind thrust device based on needle-ring-net structure

A technology of thrust device and ion wind, which is applied to thrust reversers, measuring devices, utilizing plasma, etc., can solve the problem of uneven macroscopic distribution of thrust of ion wind thrusters, and achieve the optimization of macro thrust effect, the improvement of uniformity, and the improvement of The effect of speeding up the process

Inactive Publication Date: 2020-09-29
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional ion wind thruster is affected by the needle-mesh structure, and the particle acceleration process is affected by the uneven electric field, which leads to the uneven macroscopic distribution of the thrust of the ion wind thruster.

Method used

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  • Ion wind thrust device based on needle-ring-net structure
  • Ion wind thrust device based on needle-ring-net structure

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Experimental program
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Embodiment

[0036] figure 1 It is a schematic diagram of the structure of a traditional ion wind thruster. Such as figure 1 As shown, the overall structure of the traditional ion wind thruster includes a discharge device and a measurement device. The discharge device includes an ionization power supply 1, an ionization electrode 2 and a collector electrode 3; the measurement device includes an oscilloscope 4, a current transformer 5 and an anemometer 6. Under the action of a high-voltage power supply in a traditional ion wind thruster, electrons in the discharge space are excited and collide to produce a large number of charged particles; the charged particles move towards the collector under the action of an external electric field, and collide with neutral gas molecules to produce an ion wind effect . The principle of traditional ion wind generation is that a cutting-edge distorted electric field is needed to ionize the gas to form a flow-effect wind. If a needle-needle structure is u...

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Abstract

The invention discloses an ion wind thrust device based on a needle-ring-net structure. The device comprises an ion wind thruster and an electric field homogenizing device. An electric field generatedby the ion wind thruster ionizes dielectric gas in a discharging space of the ion wind thruster to generate electrons, and the electrons are combined with neutral gas molecules in the discharging space to form charged particles; and the electric field homogenizing device is arranged in the discharging space, the electric field homogenizing device is used for homogenizing the electric field, the charged particles are uniformly accelerated, and the ionic wind is formed. According to the ionic wind thrust device based on the needle-ring-net structure, through the effect of homogenizing the electric field by the electric field homogenizing device, the acceleration process of the charged particles is improved, the acceleration uniformity of the charged particles is improved, and the macroscopic thrust effect of the ion wind thruster is optimized.

Description

technical field [0001] The invention relates to the technical field of near-space electric propulsion, in particular to an ion wind thrust device based on a needle-ring-mesh structure. Background technique [0002] The ion wind thruster has the characteristics of simple structure, high reliability, and no self-carrying propellant, etc., and has a wide range of application values ​​in the field of electric propulsion in adjacent space. The work of the ion wind thruster includes the ionization process and acceleration process of particles. However, the traditional ion wind thruster is affected by the needle-mesh structure, and the particle acceleration process is affected by the uneven electric field, which leads to the uneven macroscopic distribution of the thrust of the ion wind thruster. Contents of the invention [0003] The purpose of the present invention is to provide an ion wind thruster based on a needle-ring-net structure, which can improve the uniformity of accel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03H1/00G01R19/00G01R15/18G01P5/00
CPCF03H1/0087G01P5/00G01R15/18G01R19/0061
Inventor 魏立秋唐井峰周德胜周立伟于达仁
Owner HARBIN INST OF TECH