一個新型簡易電子直線加速器的關(guān)鍵技術(shù)研究.pdf

1、中國科學技術(shù)大學博士學位論文一個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)芽申請學位級別：博士專業(yè)：核技術(shù)及應(yīng)用指導教師：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