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Laser pre-ionization enhanced air suction device and method for air suction electric pushing technology

A suction device and pre-ionization technology, applied in the aviation field, can solve the problems of extremely thin gas and limited capture efficiency, and achieve the effect of increasing the capture cross section and improving the capture efficiency

Pending Publication Date: 2021-07-02
INST OF MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a laser pre-ionization enhanced air-breathing device and method for air-breathing electric push technology to solve the technical problems in the prior art that the ambient gas in space is extremely thin and the capture efficiency is limited

Method used

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  • Laser pre-ionization enhanced air suction device and method for air suction electric pushing technology
  • Laser pre-ionization enhanced air suction device and method for air suction electric pushing technology
  • Laser pre-ionization enhanced air suction device and method for air suction electric pushing technology

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Embodiment

[0043] see figure 1 , a laser pre-ionization enhanced air-breathing device for air-breathing electropush technology provided by an embodiment of the present invention, such as figure 1 As shown, the device may include:

[0044] The laser beam generating mechanism 2 is used to ionize the gas in the target area to form charged particles by emitting the laser beam 4 to the target area in the flight environment; the energy of the laser beam is not lower than the first required for gas ionization an ionization energy;

[0045] The magnetic field generating mechanism 3 is used to provide force to the charged particles through the magnetic field formed around the air inlet 1 , so as to trap the charged particles into the air inlet 1 .

[0046] Among them, the first ionization energy is the energy required for a gaseous atom in the ground state to lose an electron in the outermost shell. When the energy emitted by the laser beam reaches the first ionization energy required for gas io...

Embodiment approach

[0063] In one embodiment, at least one of the lasers includes at least one laser for simultaneously emitting a laser beam with an energy of 14.5eV and a laser beam with an energy of 13.6eV or at least two lasers for emitting a laser beam with an energy of 14.5eV respectively laser beam and a laser beam with an energy of 13.6eV. The laser can be any laser that can simultaneously emit a laser beam with an energy of 14.5eV and a laser beam with an energy of 13.6eV.

[0064] For example, it may be an actively mode-locked laser that emits laser light at two target energies simultaneously.

[0065] Any of a laser for emitting a laser beam having an energy of 14.5 eV and a laser for emitting a laser beam having an energy of 13.6 eV, respectively, may also be used.

[0066] When configuring two lasers for emitting different energies, any laser that can emit fixed energy laser beams can be selected, for example, any one of gas laser, solid-state laser, and semiconductor laser.

[006...

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Abstract

The invention discloses a laser pre-ionization enhanced air suction device for an air suction electric pushing technology. The laser pre-ionization enhanced air suction device comprises an air inlet channel, and a magnetic field generating mechanism and a laser beam generating mechanism which are arranged on the air inlet channel; the air suction method comprises the steps that the magnetic field generating mechanism is used for emitting a laser beam to a target area set at the air inlet end of the air inlet channel in a flight environment, and gas in the target area is ionized to form charged particles; and the magnetic field generating mechanism is used for forming a magnetic field for trapping the charged particles into the air inlet channel in the target area. According to the laser pre-ionization enhanced air suction device, gas molecules and atoms contained in a basic trapable area and a peripheral area of the air inlet channel are pre-ionized through laser beams to form charged particles, and the charged particles formed by ionization enter the air inlet channel along a magnetic field formed around the air inlet channel, so that the trapping cross section is increased on the premise of not changing the size of the air inlet channel, and the purpose of improving the gas trapping efficiency is achieved.

Description

technical field [0001] The invention relates to the field of aviation technology, in particular to a laser pre-ionization enhanced inhalation device and method for inhalation electric push technology. Background technique [0002] Ultra-low near-Earth space is an area of ​​strategic importance, primarily for Earth observation, but also for civilian and military communications. At lower altitudes, Earth observation platforms can become more competitive by improving payload performance (improving image resolution and signal-to-noise ratio), while reducing size and power requirements. [0003] Thrust is required for a vehicle to stay or move in space. Typically, flying vehicles use rocket-like chemical propulsion, but electric propulsion is becoming more popular because of its greater efficiency. However, conventional electric propulsion systems still use propellant (such as xenon), so the standby time of the aircraft is limited by the amount of propellant carried, and the pr...

Claims

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Application Information

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IPC IPC(8): F03H1/00
CPCF03H1/0006F03H1/0081
Inventor 黄河激曹进文孟显
Owner INST OF MECHANICS - CHINESE ACAD OF SCI
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