一個(gè)新型簡易電子直線加速器的關(guān)鍵技術(shù)研究.pdf_第1頁
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1、中國科學(xué)技術(shù)大學(xué)博士學(xué)位論文一個(gè)新型簡易電子直線加速器的關(guān)鍵技術(shù)研究姓名:王發(fā)芽申請(qǐng)學(xué)位級(jí)別:博士專業(yè):核技術(shù)及應(yīng)用指導(dǎo)教師:謝家麟王相綦20060201AbstractTHEKEYTECHNOLOGYRESEARCHESABOUTANOVELCOMPACTELINACWangFayamationalSynchronyRadiationLaboratory)DirectedbyProfXieJialinandProfWangXiangq

2、iItiswell—knownthatelectronlinearaccelerator(E—LINAC)hasbeenwidelyusedforvariousapplicationsHowever,itsconstructionisverycomplicated,itscostrelativelyhighanditsmaintenancequitedifficult,allofthesedisadvantageshavelimited

3、itsapplicationsThusitisveryimportantforextendingtheapplications,tosimplifytheconstruction,reducethecostandmakethemaintenanceeasierMotivationofthisresearchistodemonstratethefeasibilitytoremovetheseshortcomingsandimprovece

4、rtainperformance,ThethoughttosimplifytheE—LINACsystemisbyinjectingthespentbeamofaklystronintoanacceleratorsectionconnectedcollinearlyForfitrthersimplification,theklystroncanbeoperatedasanoscillatorbyfeedingbackpartofthem

5、icrowavefromoutputcavitytotheinputIfahighQcavityisincludedinthefeedbackcircuittoselectthefrequencythefrequencystabilityofthesystemmightbemadetosarisfytherequirementofaLINACThisnovelcompactelectronLINACrNCEL)mightpopulari

6、zetheapplicationofE—LINCThepointoftheNCELbuiltduringtheresearchisthattheinjectingbeamisthespentbeamofKS4064—5MWklystronselectedbyamagneticfield,whichhasbeenbunched,occupiessmallphasewidthandhashigherenergythanthosegenera

7、tedbyanelectrongunusedinmostofE—LINACSManyproblemsshouldbesolvedtealizetheNCELTheperformancesoftheelectronbeam,suchasenergyintensityemittanceandsoon,mustsarisfytherequirementofanELINACBasedontheexperimentalresultsaboutth

8、echaracteristicsofthespentbeam,a10MeVNCELhasbeendesignedandbuiltTodate,mostperformancesoftheacceleratedbeamhavebeentestedandaccordedwiththedesignrequirementsKeywords:LINAC,NCEL,klystron,oscillator,spentbeam,energy,Phasew

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