Update of ITER 3D basic neutronics model with MCAM.pdf

《Update of ITER 3D basic neutronics model with MCAM.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、FusionEngineeringandDesign81(2006)27732778UpdateofITER3DbasicneutronicsmodelwithMCAMQ.Zenga,∗,L.Lua,A.Dinga,Y.Lia,H.Hua,S.Zhenga,Q.Huanga,Y.Chena,Y.Wua,H.IidabaInstituteofPlasmaPhysics,ChineseAcademyofSciences,P.O.Box1126,Hefei,Anhui230031,ChinabNuclearA

2、nalysisGroup,ITERInternationalTeam,JapanAvailableonline21August2006AbstractInordertoconductnuclearanalysesonneutronicsissuesfortheInternationalThermonuclearExperimentalReactor(ITER),astandardthree-dimensional(3D)neutronicsmodeloftheITERreactorhasbeendeve

3、loped.However,themodelfortheMonteCarloneutronphotontransportcode(MCNP)shouldbeupdatedandrefinedduetotheCADdesignchanges.MonteCarloAutomaticModelingsystem(MCAM)asaninterfacecodebetweenCADsoftwareandMonteCarloparticletransportcomputercodesuchasMCNP,isatoolo

4、fmodelingandvisualization,whichcanconvertaCADmodeltoaneutronicsmodelforMCNPandviceversa.ThiscontributionpresentsthedetailsofMCAMapplicationtotheupdateandrefinementoftheITER3Dbasicneutronicsmodelcontainingblanketsegmentationupdateandincorporationoffinestruc

5、turesoftheinboardblankets.Basedontheupdatedneutronicsmodel,theneutronwallloadingdistribution,nuclearheatingintheblanketmodulesandTFcoilinboardlegsarere-calculated.©2006ElsevierB.V.Allrightsreserved.Keywords:ITER;Neutronics;MCAM;Modeling1.Introductionandt

6、heITERTransitionalArrangements(ITA),butmanyoftheconsequentgeometrychangeshavenotITERneutronicsanalysislargelyreliesonthecalcu-beenincorporatedintothebasicneutronicsmodelsincelationswiththe3DMonteCarlocode,e.g.thewidely-themodelingofacomplexgeometrywithMC

7、NPwasusedMCNP[1].DuringtheCoordinatedTechnicalaverytime-consumingtask.Now,thebasicneutronicsActivities,(CTA)theITER3DbasicneutronicsmodelmodeldoesnotnecessarilyexactlyrepresenttheITERwascreatedbythejointeffortsamongtheInternationalgeometryanditsupdateisn

8、eeded.Team(IT)andtheHomeParties(HPs).ContinuousMCAMhasbeendevelopedasaninterfacecodedesignchangeshavebeentakenplacethroughtheCTAbetweenCADsoftwareandMonteCarloparticletrans-portcomputercode[2].Besidesthebi-directionalcon-∗