›› 2017, Vol. 37 ›› Issue (5): 9-.doi: 10.16708/j.cnki.1000-758X.2017.0078

• 研究探讨 • 上一篇    下一篇

阴阳极进气量对附加场磁等离子体推力器性能的影响

 李泽峰, 汤海滨, 王宝军, 杨文将, 温鹏飞   

  1. 1北京航空航天大学宇航学院,北京100191
    2北京航天试验技术研究所,北京100074
  • 收稿日期:2017-05-04 修回日期:2017-07-11 出版日期:2017-10-25 发布日期:2017-09-12

Studyontheinfluenceofcathodeandanodepropellantmassflowratesonappliedfieldmagnetoplasmadynamicthrusterperformance

 LI  Ze-Feng, TANG  Hai-Bin, WANG  Bao-Jun, YANG  Wen-Jiang, WEN  Peng-Fei   

  1. 1SchoolofAstronautics,BeihangUniversity,Beijing100191,China
    2BeijingAerospaceExperimentalTechnologyResearchInstitute,Beijing100074,China
  • Received:2017-05-04 Revised:2017-07-11 Online:2017-10-25 Published:2017-09-12

摘要: 针对附加场磁等离子体推力器阴阳极供气量对推力器性能的影响进行了研究。采用试验方法测量了稳态AFMPDT的束流参数以及放电电压、放电电流、附加磁感应强度等工况参数,测量计算了推力、效率等性能参数。通过改变阴阳极供气比例,分析研究了初始气体分布对推力器性能及物理机制的影响。研究结果显示,阴极供气比重增大时,推力器推力及效率相应增大,但增大到一定比例,推力器出现工作不稳定导致性能下降,说明阴阳极存在最佳的供气比例,表明供气比例对推力器性能具有重要影响。

关键词: 附加磁场等离子推力器, 电推进, 阴阳极供气比例, 推力器性能, 物理机制

Abstract: Theeffectsofcathodeandanodepropellantmassflowratesonappliedfieldmagnetoplasmadynamicthruster(AFMPDT)performancewerestudied.Theplumeparametersandthrusterworkingparametersincludingdischargevoltage,dischargecurrentandappliedmagneticfieldweremeasured,andperformanceparametersincludingthrust,specificimpulseandefficiencywerecalculated.Bychangingtheproportionofanodeandcathodegassupply,theinfluenceofinitialgasdistributionontheperformanceandphysicalmechanismofthe〖JP2〗thrusterwasanalyzed.Theresultsshowthatboththrustandefficiencyincreasewiththeproportionofcathodegassupply,butwhenitincreasestoacertainpercentagethethrusterperformancedeclinesduetoinstability,whichindicatestheexistenceofthebestproportionofanodeandcathodegassupplyanditssignificantinfluenceonthrusterperformance.

Key words: appliedfieldmagnetoplasmadynamicthruster, electricpropulsion, proportionofanodeandcathodegassupply, thrusterperformance, physicalmechanism