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Electrostatic plasma thruster

A plasma and thruster technology, applied in the field of aerospace electric propulsion, can solve the problems of aerospace probes that cannot continue to work due to the exhaustion of propellant, and achieve the effect of improving thrust and specific impulse and increasing the service life of the orbit

Inactive Publication Date: 2020-03-27
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the technical problem that the aerospace probes in the prior art cannot continue to work due to the depletion of propellant, the invention proposes an electrostatic plasma thruster whose working life is not limited by fuel

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  • Electrostatic plasma thruster
  • Electrostatic plasma thruster
  • Electrostatic plasma thruster

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Embodiment Construction

[0025] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the present invention will be further described below with reference to the accompanying drawings and in conjunction with specific embodiments, so that those skilled in the art can implement it with reference to the description. The scope of protection is not limited to this specific embodiment. Apparently, the embodiments described below are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] Such as figure 1 , 2 An electrostatic plasma thruster is shown, and the electrostatic plasma thruster includes a protective case 1 , a power supply 2 , a controller 3 , a motor 4 , a rotating shaft 5 , a fixed plate 6 and a magnetic electrode plat...

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Abstract

The invention discloses an electrostatic plasma thruster and belongs to the technical field of spaceflight electric propulsion. The thruster comprises two magnetic electrode plate groups arranged in amirror image manner, and electric field directions and magnetic induction line directions of the magnetic electrode plate groups are identical. Ions with positive charges in solar wind plasma enter an area between the two magnetic electrode plate groups to be accelerated by current, a reaction quantity is produced on the magnetic electrode plate groups to serve as a thrust source, it should be noted that as the mass of electrons with negative charges in the solar wind plasma is far smaller than that of ions, the momentum produced by electrons can be ignored. Meanwhile, when the motion direction of ions deviates from the electric field direction, Lorentz force is produced to correct the deviation motion, and neutralization of the ions making contact with the magnetic electrode plate platesis avoided. The solar wind plasma massively existing in the space environment is used as a thrust working medium, the thruster does not need to carry a thrust working medium, and the in-orbit servicelife of the thruster is greatly prolonged.

Description

technical field [0001] The invention belongs to the technical field of aerospace electric propulsion, and in particular relates to an electrostatic plasma thruster. Background technique [0002] Aerospace technology, also known as space technology, is a comprehensive engineering technology that explores, develops and utilizes space and celestial bodies beyond the earth, and is an important symbol of a country's comprehensive development level of modern technology. The development of aerospace vehicles can be divided into three stages, chemical propulsion stage, electric propulsion stage, and non-working substance propulsion stage. Both chemical propulsion system and electric propulsion system need to carry propellant to perform space missions. When the propellant is exhausted, other The working life is also coming to an end, but the non-propellant thruster will not be subject to this constraint, so the non-propellant thruster will become an important technology for human exp...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03H1/00
CPCF03H1/0056
Inventor 陈宗夏广庆韩亚杰张军军周思齐
Owner DALIAN UNIV OF TECH
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