Electron beam ablation propulsion method and system
A technology of electron beam and high-current electron beam, which is applied in the field of electron beam ablation propulsion method and system, can solve the problems of shallow interaction depth between laser and material, low energy utilization rate of thruster, and limitation of thruster target selection, etc., to achieve The effect of small ablation beam spot, large total stroke and long service life
Active Publication Date: 2011-07-06
BEIHANG UNIV
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The invention provides an electron beam ablation propulsion method and system. The electron beam ablation propulsion method comprises the following steps: an electron beam generator is adopted to generate an electronic beam and lead the electronic beam to shoot at a target through an outlet of the electron beam generator; the electronic beam ablates the target to generate a kickback thrust to push the target. The invention has very high energy conversion efficiency, solves the problem of being incapable of using singleton metals with high specific impulse performances due to low coupling coefficient of impulses in laser ablation propulsion technology, has extremely short action time, can realize single injection of tiny impulse, has quick response time for the mutual action with the target, has small ablation beam spots and action area, is convenient to precisely locate the propulsion, can finish control on the propulsion performances by adjusting the pulse width, frequency, and peak power density, and the like of a beam source, is not influenced by the reflection performance of the target, and has very low ablation quality for each pulse; therefore, a propeller has very large overall pulse, and long service life.
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Property | Measurement | Unit |
Outer diameter | 22.0 | mm |
The inside diameter of | 1.0 | mm |
Thickness | 1.0 | mm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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