Nanowire array electric propulsion system capable of achieving on-orbit self-repairing

A nanowire array and electric propulsion technology, which is applied in the aerospace field, can solve problems such as zinc oxide nanowire tip erosion, achieve the effect of repeated growth and repair, and realize life expectancy

Active Publication Date: 2021-08-06
INNOVATION ACAD FOR MICROSATELLITES OF CAS +1
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Problems solved by technology

[0003] The purpose of the present invention is to provide a nanowire array electric propulsion system capable of self-repairing on-orbit, to solve the problem of existing zinc oxide nanowire tip in strong electric field, The problem of erosion under long-term effects such as ion bombardment

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Embodiment Construction

[0065] The present invention will be further described below in conjunction with specific embodiments with reference to the accompanying drawings.

[0066] It should be noted that components in the various figures may be shown exaggerated for the purpose of illustration and are not necessarily true to scale. In the various figures, identical or functionally identical components are assigned the same reference symbols.

[0067] In the present invention, unless otherwise specified, "arranged on", "arranged on" and "arranged on" do not exclude the presence of intermediates between the two. In addition, "arranged on or above" only means the relative positional relationship between two parts, and under certain circumstances, such as after the product direction is reversed, it can also be converted to "arranged under or below", and vice versa Of course.

[0068] In the present invention, each embodiment is only intended to illustrate the solutions of the present invention, and sho...

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Abstract

The invention provides a nanowire array electric propulsion system capable of achieving on-orbit self-repairing, which comprises a nanowire array thruster, a propellant conveying system and a repairing agent conveying system, wherein the nanowire array thruster is configured to execute the actions of generating thrust by means of ionizing a propellant through an electric field, and growing nanowires by adopting a repairing agent through a thermal oxidation method; the propellant conveying system is configured to provide a propellant for the nanowire array thruster in a working mode of the nanowire array thruster; and the repairing agent conveying system is configured to provide a repairing agent to the nanowire array thruster in a nanowire array thruster repair mode.

Description

technical field [0001] The invention relates to the technical field of aerospace, in particular to an on-orbit self-repairable nanowire array electric propulsion system. Background technique [0002] The electric thruster based on the ZnO nanowire array ionizes the gas propellant through the strong electric field between the nanowire array and the gate and accelerates the ejection to generate thrust. The thruster has the characteristics of simple structure, wide thrust range, high specific impulse, and any gas can be used as propellant, and is suitable for orbit maintenance and transfer of satellites. However, the tips of ZnO nanowires will be eroded under long-term effects such as strong electric field and ion bombardment, which will affect the performance and life of the thruster. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide an on-orbit self-repairable nanowire array electric propulsion system to solve the problem that the existin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/26
CPCB64G1/26
Inventor 郭登帅梁广张永合崔阳赵笙罡郭彤周文妹王文川
Owner INNOVATION ACAD FOR MICROSATELLITES OF CAS
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