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New concept of metal ion thruster based on pulsed thermionic vacuum arc discharge
Plasma Sources Science and Technology ( IF 3.8 ) Pub Date : 2021-01-07 , DOI: 10.1088/1361-6595/abd0dd
I-L Velicu 1 , V Tiron 2 , M-A Petrea 1 , G Popa 1
Affiliation  

A new approach for the development of an innovative, low-cost, long lifespan, small size and versatile metal ion thruster (MIT), able to independently control thrust and specific impulse generation, is proposed. The concept of pulsed thermionic vacuum arc (PTVA) is used to generate and accelerate metal ions, without using acceleration grids. Operating under high or ultra-high vacuum conditions makes PTVA discharge suitable to be used in the vacuum of space. The proposed electric propulsion system can provide significant thrust and specific impulse levels due to an efficient metal ion acceleration process in the electric field of a double layer structure developed in PTVA plasma. For certain experimental conditions, the performance parameters values of this MIT–PTVA approach, and even exceed, those of the classical ion thrusters like xenon ion propulsion system and stationary plasma Hall thruster.



中文翻译:

基于脉冲热电子真空电弧放电的金属离子推进器新概念

提出了一种开发创新,低成本,长寿命,小尺寸和多功能金属离子推进器(MIT)的新方法,该方法能够独立控制推力和特定脉冲的产生。脉冲热电子真空电弧(PTVA)的概念用于生成和加速金属离子,而无需使用加速栅格。在高或超高真空条件下运行使得PTVA放电适合在空间真空中使用。由于在PTVA等离子体中开发的双层结构的电场中有效的金属离子加速过程,提出的电推进系统可以提供显着的推力和特定的脉冲水平。对于某些实验条件,此MIT–PTVA方法的性能参数值甚至超过

更新日期:2021-01-07
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