The invention discloses a satellite thruster dual-mode working method, and relates to the technical field of aerospace propulsion systems, in the thruster working mode, seed electrons generated by a cathode are bound at an outlet of an annular channel by a thruster main body, and working medium gas enters the annular channel through an air outlet hole in the top end of an anode in the thruster main body; the ions and the electrons are ejected in an accelerated manner under the action of an anode electric field, so that thrust is generated; in the single-point working mode of the cathode, the heating wire works and heats the emitter, working medium gas is injected, high potential is applied to the contact pole shell, a breakdown loop is formed between the contact pole shell and the emitter, low potential is applied to the contact pole shell to maintain discharge, weak ionization is generated in the cathode, and ions are generated through gas ionization. The gas is heated inside the cathode and ejected together with part of the ions from the cathode orifice to generate thrust. According to the invention, a thruster working mode and a cathode single-point working mode are provided, and different working environments can be coped with.
本发明公开了一种卫星推力器双模式工作方法,涉及航天推进系统技术领域,推力器工作模式:阴极产生种子电子被推力器主体束缚在环形通道出口处,工质气体通过推力器主体中阳极顶端出气孔进入到环形通道,并与阴极的电子发生碰撞电离,产生离子和电子,在阳极电场作用下被加速喷出产生推力;阴极单点工作模式:加热丝工作并加热发射体,注入工质气体,在触持极壳上施加高电位,触持极壳和发射体中间形成击穿回路,触持极壳施加低电位维持放电,阴极内部产生弱电离,气体电离产生离子,气体在阴极内部被加热和部分离子一起从阴极孔口喷出产生推力。本发明提供了推力器工作模式和阴极单点工作模式,也可以应对不同的工作环境。
Satellite thruster dual-mode working method
一种卫星推力器双模式工作方法
2024-05-31
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS |
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