›› 2017, Vol. 37 ›› Issue (5): 33-.doi: 10.16708/j.cnki.1000-758X.2017.0077

• 研究探讨 • 上一篇    下一篇

超声电喷推进微细驻波形成及影响因素分析

 贺伟国, 康小明, 杭观荣, 张岩, 郭登帅, 刘欣宇   

  1. 1上海交通大学〓机械与动力工程学院,上海200240
    2上海空间推进研究所,上海201112
  • 收稿日期:2017-05-04 修回日期:2017-07-12 出版日期:2017-10-25 发布日期:2017-09-12

Astudyonformationmechanismofmicrostandingwavesbasedonultrasonicelectrospraypropulsion

 HE  Wei-Guo, KANG  Xiao-Ming, HANG  Guan-Rong, ZHANG  Yan, GUO  Deng-Shuai, LIU  Xin-Yu   

  1. 1SchoolofMechanicalEngineering,ShanghaiJiaotongUniversity,Shanghai200240,China
    2ShanghaiInstituteofSpacePropulsion,Shanghai201112,China
  • Received:2017-05-04 Revised:2017-07-12 Online:2017-10-25 Published:2017-09-12

摘要: 对超声电喷推进微细驻波进行了研究,试验观测了微细驻波形成形态,并在不同频率下对比分析了微细驻波波长的理论值和试验值;同时分析了不同推进剂条件下,振动频率对微细驻波波长和形成驻波所需振幅的影响规律。结果表明:不同频率下,形成微细驻波波长的理论值和试验值具有较好的一致性;微细驻波的波长和振幅随着振动频率的增大而减小,同时推进剂的粘度越大,形成微细驻波所需的振幅也越大。

关键词: 超声电喷推进, 微细驻波, 振动频率, 波长, 振幅

Abstract: Theformationmechanismofultrasonicstandingwaveswasinvestigatedthroughtheoreticalstudyandexperiments.Theformationofmicrostandingwaveswasobservedbymicroscope;atthesametime,thetheoreticalandexperimentalvaluesofthewavelengthwereanalyzedatdifferentfrequencies.Theinfluencesofvibrationfrequencyonthewavelengthofstandingwavesandtheamplituderequiredtoformthestandingwavewerestudiedwhenemployingdifferentpropellants.Theresultsshowthattheoreticalandexperimentalvaluesofthewavelengthofstandingwavesareingoodagreement.Thewavelengthandamplitudeofthestandingwavesdecreasewiththeincreaseofthevibrationfrequency.Whentheviscosityofthepropellantislarger,theamplituderequiredtoformastandingwaveisgreater.

Key words: ultrasonicelectrospraypropulsion, microstandingwaves, vibrationfrequency, wavelength;amplitude