Spacecraft Propulsion Membrane Structure Utilizing Space Plasma and Its Preparation Method

Abstract

The application discloses a spacecraft propulsion membrane structure using space plasma and a preparation method thereof. The spacecraft propulsion membrane structure includes a metal film, a nanowire material layer and an insulating medium layer, and the metal film is structurally connected to the spacecraft. The surface of the insulating dielectric layer is plated with a coating material with a high secondary electron emission coefficient and a high photoelectron emission coefficient. When the spacecraft is in orbit, the spacecraft is structurally charged to a negative potential by the space plasma environment. Under the bombardment of space electrons and photons, the surface of the propulsion membrane structure is charged to a high potential, and a potential difference is generated between the surface of the propulsion membrane structure and the ground of the spacecraft structure. Under this potential difference, the nanowire material layer starts to emit electrons, forming an electron flow into space, and the spacecraft obtains reverse thrust. In space, the reverse potential gradient between the surface of the insulating film on the spacecraft and the ground of the spacecraft structure can reach thousands of volts, the emission current is larger, and the thrust of cattle can be obtained per square meter, and the propulsion effect is extremely obvious.

Description

technical field [0001] The invention generally relates to the technical field of spacecraft propulsion, in particular to a spacecraft propulsion membrane structure utilizing space plasma and a preparation method thereof. Background technique [0002] Propulsion technology is the key to the success or failure of a spacecraft launch. The micro-propulsion system has the characteristics of small size, light weight, small thrust, and high resolution, and plays an important role in the orbit maintenance and high-precision attitude maintenance of spacecraft. Micro-propulsion technology can be used for orbit maintenance of low-orbit long-life satellites, attitude and orbit control of ultra-clean platform satellites, and micro-satellites. At present, there are many types of micro-propulsion technologies, such as cold air propulsion, field-induced ion propulsion, MEMS chemical propulsion, micro-electric propulsion, etc. These propulsion methods require the supply of electric energy a...

AI Technical Summary

Problems solved by technology

At present, the technologies that use the space environment to provide thrust to spacecraft mainly include solar sail technology. Solar sail technology uses solar light pressure, but photons provide extremely small thrust due to their high speed. Thrust, poor propulsion

Images