兰州空间技术物理研究所吸气式电推进技术进展

Progress of Air Breathing Electric Propulsion Technology in Lanzhou Institute of Physics

吸气式电推进技术是将超低轨空间的环境气体工质收集、增压、电离以及加速产生推力的技术,是一项具有里程碑意义的航天器动力技术。兰州空间技术物理研究所开展了近10年吸气式电推进技术研究。主要介绍了兰州空间技术物理研究所吸气式电推进技术的最新进展,包括吸气式电推进系统方案和应用分析;基于理论分析和数值计算进行的气体收集增压技术研究和电推力器技术研究等。给出了利用研制的吸气式电推进系统原理样机开展地面试验得到的结果和后续研究计划。结果表明,兰州空间技术物理研究所提出的吸气式电推进系统方案能够满足250 km左右轨道高度上特定构型航天器的阻尼补偿需求。

Air breathing electric propulsion technology is such a technology which produce thrust by collecting,com‐pressing,ionizing and accelerating the gas in the spacecraft orbit,this technology is of milestone significance as for the spacecraft power.Lanzhou Institute of Physics has done a lot of research work for about ten yeas in this field.This paper introduces the progress of the air breathing electric propulsion technology in Lanzhou Institute of Physics up to date mainly including the scheme and the application analysis of the air breathing electric propulsion system.Based on the theoretical and numerical calculation,the gas gathering and compressing technology and electric propulsion technology were studied.The ground experimental results and subsequent studing plan are also given.The obtained results indicate that the scheme of the air breathing electric propulsion system proposed by Lanzhou Institute of Physics is able to satisfy the requirement of the damp compensation for the spacecraft flying in earth orbit of about 250 km height.