Ion wind thrust device based on magnetic fields
A technology of thrust device and ion wind, which is applied in the direction of thrust reverse device, utilization of plasma, machine/engine, etc., can solve the problem of low energy conversion efficiency of ion wind thruster
Inactive Publication Date: 2020-09-25
HARBIN INST OF TECH
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[0003] The purpose of the present invention is to provide a magnetic field-based ion wind thruster to solve the problem of low energy conversion efficiency of the ion wind thruster
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[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments 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.
[0037] The purpose of the present invention is to provide an ion wind thruster based on a magnetic field to solve the problem of low energy conversion efficiency of the ion wind thruster.
[0038] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0039] This embodiment ...
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The invention relates to an ion wind thruster based on magnetic fields, and relates to the field of near space electric thrust. The ion wind thruster comprises an ion wind thruster and a magnetic field generating sub device, wherein the magnetic field generating sub device is perpendicular to a collector electrode of the ion wind thruster; magnetic fields generated by the magnetic field generatingsub device cover the iron wind thruster; electric fields generated by the ion wind thruster ionize neutral gas molecules into first charged particles which accelerate motion under action of the electric fields; in a motion process, the first charged particles collide with the neutral gas molecules to generate second charged particles; the first charged particles and the second charged particles accelerate in an oriented mode to form iron wind; and magnetic fields generated by the magnetic field generating sub device deflect a motion path of the first charged particles under action of lorentzforce, so that collision times between the first charged particles and the neutral gas molecules are increased, an energy transmission process between the first charged particles and the neutral gas molecules is strengthened, and energy conversion efficiency of the ion wind thruster is improved.
Description
technical field [0001] The invention relates to the field of near-space electric propulsion, in particular to an ion wind thrust device based on a magnetic field. Background technique [0002] The ion wind thruster has the characteristics of simple structure, high reliability and no self-carrying propellant, so it 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. The traditional ion wind thruster is an ion wind effect based on corona discharge. Charged particles are accelerated under the action of an external electric field and collide with neutral particles to exchange energy, causing macroscopic ion wind motion. However, traditional ion wind thrusters are limited by the principle of corona discharge. The movement path of charged particles in the discharge space is short, and the collision time with neutral gas molecules is ...
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IPC IPC(8): F03H1/00
CPCF03H1/0006F03H1/0081
Inventor 魏立秋唐井峰周德胜周立伟于达仁
Owner HARBIN INST OF TECH