100W微波等離子體推力器固態(tài)源研制與效率分析.pdf

1、分類號(hào)——密級(jí)——薄毒壬歹繁蟲嘻碩士學(xué)位論文MSThesis學(xué)位研究生學(xué)校代碼：10699學(xué)號(hào)：046026069學(xué)科(專業(yè))：航空宇航推進(jìn)理論與工程題目：IOOW微波等離子體推力器固態(tài)源研制與效率分析作者：楊花芳指導(dǎo)老師：楊涓專業(yè)技術(shù)職務(wù)：副教授2007年3月16日兩北工業(yè)大學(xué)碩士學(xué)位論文AbstractAbstractInthepastseveraltenyears，withmoreandmorerequirementsforhig

2、hperformancespacecraftpropulsionsystem，ElectricPropulsion(EP)hasbecomeafocusofspaceflightfieldandwidelybeappliedinspacemissionsMicrowavePlasmaThruster(MPT)isonekindofelectrothermalthrusteritadvantagesaremoderatespecifici

3、mpulse，longlife，wellcompatiblewithspacecraftandsoon，whichmakeitamostperspectiveapplicationinspaceflyingMicrowavegeneratorofMPTispower‘supplyapparatusHowtodecreaseitsvolumneandmassisthekeyproblemforitsapplycationAtpresent

4、，existingMicrowavegeneratorinthelabislargevolumeandweight，whichrestrictsMPTresearchandperformanceimprovementThispaperisbasedontheexistingMS，aimtodevelopaflewsmallvolumeandlightweightsolidststemicrowavesource(SSMS、withsem

5、ieonductorelementsforMPTtestitsperformance，analyzeandestimateMPTefficiencyThecontents&thispaperinclude：1ChoosethemaincomponentelementsofSSMSusingrelatedmicrowave，circuit，heattransferknowledge，anddecidetheSSMS’sformingpro

6、jectThemicrowavegeneratorUSC$quartzoscillatorwhosestabilityisveryhigh；FrequencysynthesizerusesintegrationPLLandfrequencydividerpoweramplifierusesfieldeffecttransistor(FET)，SSMScoolingmethodisconvectivewatercoolingstyle2T

7、heassistantmicrowaveelementsaledetailedlyintroducedWithdesigncircuitdiagramandPCB，anewSSMSwhichissatisfiedwiththerequirementsofMPThasbedeveloped3AnalyzethetransfersefficiencyofMPTshowthatSSMSsefficiencyandthrustercouplin

8、gefficiencyisthemaininfluencefactorsofMPTsystemefficiencyandobtainedtheMPTsystemefficiencyisabout27％fromthetestdataAfterlongtermtest，thedevelopedSSMScanstablyandreliablywork，wellperformanceandexpressthatthedevelopedSSMSi