摘要
Thewatercooledceramicbreeder(WCCB)blanketemployingpressurizedwaterasacoolantisoneofthebreedingblanketcandidatesfortheChinaFusionEngineeringTestReactor(CFETR).Someupdatingofneutronicsanalyseswasneeded,becausetherewerechangesintheneutronicsperformanceoftheblanketasseveralsignificantmodificationsandimprovementshavebeenadoptedfortheWCCBblanket,includingtheoptimizationofradialbuild-upandcustomizedstructureforeachblanketmodule.A22.5degreetoroidalsymmetricaltorussector3DneutronicsmodelcontainingtheupdateddesignoftheWCCBblanketmoduleswasdevelopedfortheneutronicsanalyses.Thetritiumbreedingcapability,nuclearheatingpower,radiationdamage,anddecayheatwerecalculatedbytheMCNPandFISPACTcode.Theresultsshowthatthepackingfactorand~6Lienrichmentofthebreedershouldbothbenolessthan0.8toensuretritiumself-sufficiency.Thenuclearheatingpoweroftheblanketunder200MWfusionpowerreaches201.23MW.Thedisplacementperatomperfullpoweryear(FPY)oftheplasma-facingcomponentandfirstwallreach0.90and2.60,respectively.ThepeakHproductionratereaches150.79appm/FPYandthepeakHeproductionreaches29.09appm/FPYinblanketmodule#3.Thetotaldecayheatoftheblanketmodulesis2.64MWat1saftershutdownandtheaveragedecayheatdensitycanreach11.09kWm~(-3)atthattime.Thedecayheatdensityoftheblanketmodulesslowlydecreasestolowerthan10Wm~(-3)inmorethantenyears.
出版日期
2017年11月21日（中国期刊网平台首次上网日期，不代表论文的发表时间）
