课程设计基于MCNP的辐射屏蔽仿真与计算

..核工程与核技术课程设计(报告)题目基于MCNP的辐射屏蔽仿真与计算学院名称核科学技术学院指导教师职称讲师班级核工102班学号学生..目录概述.................................................错误!未定义书签。1设计项目名称.......................................错误!未定义书签。1.1问题描述................................................................31.2几何描述.................................................................41.3源描述..................................................................51.4其它数据说明............................................................51.5运行与结果..............................................................62设计项目名称.......................................................72.1问题描述................................................................72.2几何描述.................................................................82.3源描述..................................................................92.4其它数据说明............................................................92.5运行与结果.............................................................103设计项目名称......................................................113.1问题描述...............................................................113.2几何描述................................................................123.3源描述.................................................................133.4其它数据说明...........................................................133.5运行与结果.............................................................144设计项目名称......................................................154.1问题描述...............................................................154.2几何描述................................................................164.3源描述.................................................................174.4其它数据说明...........................................................174.5运行与结果.............................................................185设计项目名称......................................................195.1问题描述...............................................................195.2几何描述................................................................205.3源描述.................................................................215.4其它数据说明...........................................................22..5.5运行与结果.............................................................23心得体会总结..1.1问题描述试对下面描述的问题进行5000个中子，250次循环的临界计算。1．如下图所示，中间黑色部分为Pu239(100%)圆筒，外围包着的是天然U反射层，初始燃料源处于(3.5,0,0)点。1.2几何描述PX视图..PY视图PZ视图..1.3材料及数据说明：Pu:ρ＝15.8g/ccPlutoniumcylinder:radius=4.935cmheight=6.909cmU:ρ＝18.8g/cc含量：23899.2745％2350.72％Uraniumreflectorthickness:5.0cmUraniumreflectorheight:6.909cm1.4程序描述CCellCards*******************************11-15.8-12-3imp:n=1$Pu22-18.8-123-4imp:n=1$U30#1#2imp:n=0$outspaceCSurfaceCards*******************************1pz5.909..2pz-13cz4.9354cz9.935CDataCards*******************************CMaterialDataCardsm194239.60c1m292238.60c9.92745E-192235.60c7.2E-3csdefkcode50001.050250ksrc0011.5运行结果..2.1问题描述..2．如下图所示，中间黑色部分为Pu239(100%)圆筒，外围包着的是天然U反射层,初始燃料源处于(3.5,0,0)点。2.2材料及数据其数据如下：Pu:ρ＝15.8g/ccU:ρ＝18.8g/cc原子百分比：23899.2745％2350.72％..2.3几何描述PX视图PY视图..PZ视图..2.4程序描述CCellCards*******************************11-15.8-12-3imp:n=1$U22-18.8-45-6#1imp:n=1$Pu30#1#2imp:n=0$outspaceCSurfaceCards*******************************1pz5.9092pz-13cz4.9354pz10.9095pz-66cz9.935CDataCards*******************************CMaterialDataCardsm194239.60c1m292238.60c-0.99274592235.60c-0.0072csdefkcode50001.050250ksrc0012.5运行结果..3.1问题描述3.Exercise3isabare(unreflected)UO2F2solutioncylinder.Theweightpercentof235Uintheuraniumis4.89%.Thesolutionhasaradiusof20.12cmandaheightof100.0cm.Analuminumtankwithathicknessof0.1587cmonthesidesandbottom,andaheightof110.0cmcontainsthesolution.Thereisnolidonthetank.Theregionfromthetopofthesolutiontothetopofthealuminumtankisvoid.Thedataforthisproblemfollows:..3.2材料及数据溶液密度：0.096586atoms/b-cm铝密度：2.7g/cc溶液原子百分比：H1:5.7058e-2，O8:3.2929e-2，F9:4.3996e-3，U2382.0909e-3U2351.0889e-4初始燃料源位置（0050）3.3几何描述PX视图..PY视图..PZ视图..3.4程序描述CCellCards*******************************119.686E-2-23-5imp:n=1$RY22-2.7(-135-6):(-34-6)imp:n=1$Al30#1#2imp:n=0$outspaceCSurfaceCards*******************************1pz1002pz903pz-104pz-10.15875cz20.126cz20.2787CDataCards*******************************CMaterialDataCardsm11001.60c5.7058E-28016.60c3.2929E-29019.60c4.3996E-3&92238.60c2.0909E-392235.60c1.0889E-4m213027.60c1csdefkcode50001.050250ksrc0013.5运行结果..4.1问题描述4．Exercise4consistsoftwoidenticalU(93.4)O2F2solutioncylindersinsideawatertank.Assumethewaterreflectordensityis1g/ccandhasaminimumthicknessof20cmexceptononesideofthefirstcylinderwherethethicknessisonly10cm.Theheightofthewaterisatthetopoftheopenaluminumcontainers.Thedataforthisproblemis:..初始燃料源位置：（0035），（17035）4.2几何描述..PX视图PY视图..PZ视图..4.3程序描述CCellCards*******************************119.9605E-2-23-10imp:n=1$fuel22-2.7(-1310-11):(-34-11)imp:n=1$container30-12-10imp:n=04like1buttrcl=(1700)imp:n=1$fuel5like2buttrcl=(1700)imp:n=1$container6like3buttrcl=(1700)imp:n=073-1-15-67-89#1#2#3#4#5#6imp:n=1$water80#1#2#3#4#5#6#7imp:n=0$spaceCSurfaceCards*******************************1pz902pz80.23pz