课程设计基于MCNP的辐射屏蔽仿真与计算
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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 (3)1.2几何描述 (4)1.3 源描述 (5)1.4 其它数据说明 (5)1.5 运行与结果 (6)2 设计项目名称 (7)2.1 问题描述 (7)2.2几何描述 (8)2.3 源描述 (9)2.4 其它数据说明 (9)2.5 运行与结果 (10)3 设计项目名称 (11)3.1 问题描述 (11)3.2几何描述 (12)3.3 源描述 (13)3.4 其它数据说明 (13)3.5 运行与结果 (14)4 设计项目名称 (15)4.1 问题描述 (15)4.2几何描述 (16)4.3 源描述 (17)4.4 其它数据说明 (17)4.5 运行与结果 (18)5 设计项目名称 (19)5.1 问题描述 (19)5.2几何描述 (20)5.3 源描述 (21)5.4 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Pu 239(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/ccPlutonium cylinder : radius=4.935cm height=6.909cm U: ρ=18.8g/cc含量:238 99.2745% 235 0.72%Uranium reflector thickness : 5.0 cmUranium reflector height : 6.909cm1.4程序描述C Cell Cards *******************************1 1 -15.8 -12 -3 imp:n=1$Pu2 2 -18.8 -1 23 -4 imp:n=1$U3 0 #1 #2 imp:n=0$outspaceC Surface Cards *******************************1 pz 5.9092 pz -13 cz 4.9354 cz 9.935C Data Cards ******************************* C Material Data Cardsm1 94239.60c 1m2 92238.60c 9.92745E-1 92235.60c 7.2E-3c sdefkcode 5000 1.0 50 250ksrc 0 0 11.5运行结果2.1问题描述2.如下图所示,中间黑色部分为Pu 239(100%)圆筒,外围包着的是天然U反射层, 初始燃料源处于(3.5, 0, 0)点。
2.2 材料及数据其数据如下:Pu: ρ=15.8g/ccU: ρ=18.8g/cc原子百分比:238 99.2745% 235 0.72%2.3几何描述PX视图PY视图PZ视图2.4程序描述C Cell Cards *******************************1 1 -15.8 -12 -3 imp:n=1$U2 2 -18.8 -4 5 -6 #1 imp:n=1$Pu3 0 #1 #2 imp:n=0$outspaceC Surface Cards *******************************1 pz 5.9092 pz -13 cz 4.9354 pz 10.9095 pz -66 cz 9.935C Data Cards *******************************C Material Data Cardsm1 94239.60c 1m2 92238.60c -0.992745 92235.60c -0.0072c sdefkcode 5000 1.0 50 250ksrc 0 0 12.5运行结果3.1问题描述3.Exercise 3 is a bare (unreflected) UO2F2 solution cylinder.The weight percent of 235U in the uranium is4.89 %. The solution has a radius of 20.12 cm and a height of 100.0 cm. An aluminum tank with a thickness of 0.1587 cm on the sides and bottom, and a height of 110.0 cm contains the solution. There is no lid on the tank. The region from the top of the solution to the top of the aluminum tank is void. The data for this problem follows:3.2材料及数据溶液密度:0.096586 atoms/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, U238 2.0909e-3U235 1.0889e-4初始燃料源位置(0 0 50)3.3几何描述PX视图PY视图PZ视图3.4程序描述C Cell Cards *******************************1 1 9.686E-2 -23 -5 imp:n=1$RY2 2 -2.7 (-13 5 -6):(-34 -6) imp:n=1$Al3 0 #1 #2 imp:n=0$outspaceC Surface Cards *******************************1 pz 1002 pz 903 pz -104 pz -10.15875 cz 20.126 cz 20.2787C Data Cards *******************************C Material Data Cardsm1 1001.60c 5.7058E-2 8016.60c 3.2929E-2 9019.60c 4.3996E-3 & 92238.60c 2.0909E-3 92235.60c 1.0889E-4m2 13027.60c 1c sdefkcode 5000 1.0 50 250ksrc 0 0 13.5运行结果4.1问题描述4.Exercise 4 consists of two identical U(93.4)O2F2 solution cylinders inside a water tank. Assume the water reflector density is 1 g/cc and has a minimum thickness of 20 cm except on one side of the first cylinder where the thickness is only 10 cm. The height of the water is at the top of the open aluminum containers. The data for this problem is:初始燃料源位置:(0 0 35),( 17 0 35)4.2几何描述PX视图PY视图PZ视图4.3程序描述C Cell Cards *******************************1 1 9.9605E-2 -23 -10 imp:n=1 $fuel2 2 -2.7 (-13 10 -11):(-34 -11) imp:n=1 $container3 0 -1 2 -10 imp:n=04 like 1 but trcl=(17 0 0) imp:n=1 $fuel5 like 2 but trcl=(17 0 0) imp:n=1 $container6 like 3 but trcl=(17 0 0) imp:n=07 3 -1 -1 5 -6 7 -8 9 #1 #2 #3 #4 #5 #6 imp:n=1 $water8 0 #1 #2 #3 #4 #5 #6 #7 imp:n=0 $spaceC Surface Cards *******************************1 pz 902 pz 80.23 pz 10.154 pz 105 pz -106 py 26.57 py -26.58 px 43.59 px -16.510 cz 6.3511 cz 6.5C Data Cards *******************************C Material Data Cardsm1 1001.60c 6.2210E-2 8016.60c 3.3621E-2 9019.60c 2.5161E-3 &92238.60c 8.2051E-5 92235.60c 1.1760E-3m2 13027.60c 1m3 1001.60c 2 8016.60c 1c sdefkcode 5000 1.0 50 250ksrc 0 0 14.4运行结果5.1问题描述5.Exercise 5 is a 3x2 array of plutonium nitrate solution cylinders. Plutonium nitrate solution is contained in six stainless steel cylinderswith a 10 cm surface separation between tanks. The data for this problem are:铁,铬,镍的同位素在材料中的原子百分比为:24050 7.195e-4 24052 1.38589e-224053 1.5713e-3 24054 3.903e-426056 3.704e-3 26056 5.80869e-226057 1.342e-3 26058 1.773e-428058 4.432e-3 28060 1.7069-328061 7.42-e5 28062 2.363e-428064 6.05e-5初始燃料源位置为:(0 0 19.62)(35.58 0 19.62)(71.16 0 19.62)(0 35.58 19.62)(35.58 35.58 19.62)(71.16 35.58 19.62)5.2几何描述PX视图PY视图PZ视图5.3程序描述c cell cards************1 0 -12 -5 imp:n=02 1 9.927e-2 -23 -5 imp:n=13 2 8.636e-2 (-1 3 5 -6):(-34 -6) imp:n=14 0 #1 #2 #3 #11 #12 #13 #14 #15 #16 #17 #18 #19 #20 #21 #22 #23 #24 #25 imp:n=011 like 1 but trcl=(0 35.58 0) imp:n=012 like 2 but trcl=(0 35.58 0) imp:n=113 like 3 but trcl=(0 35.58 0) imp:n=114 like 1 but trcl=(35.58 0 0) imp:n=015 like 2 but trcl=(35.58 0 0) imp:n=116 like 3 but trcl=(35.58 0 0) imp:n=117 like 1 but trcl=(35.58 35.58 0) imp:n=018 like 2 but trcl=(35.58 35.58 0) imp:n=119 like 3 but trcl=(35.58 35.58 0) imp:n=120 like 1 but trcl=(71.16 0 0) imp:n=021 like 2 but trcl=(71.16 0 0) imp:n=122 like 3 but trcl=(71.16 0 0) imp:n=123 like 1 but trcl=(71.16 35.58 0) imp:n=024 like 2 but trcl=(71.16 35.58 0) imp:n=125 like 3 but trcl=(71.16 35.58 0) imp:n=1c surface cards**********1 pz 1022 pz 39.543 pz 0.34 pz 05 cz 12.496 cz 12.79c data cards***********c material data cardsm1 1001 6.0070E-2 8016 3.6540E-2 7014.60c 2.3699e-394239.60c 2.7682e-4 94240.60c 1.2214e-594241.60c 8.3390e-7 94242.60c 4.5800e-8m2 24050.60c 7.195e-4 24052.60c 1.38589e-224053.60c 1.5713e-3 24054.60c 3.903e-426056.60c 3.704e-3c sdefkcode 5000 1.0 50 250ksrc 0 0 19.62 35.58 0 19.62 71.16 0 19.62 0 35.58 19.6235.58 35.58 19.62 71.16 35.58 19.62 5.4运行结果MCNP学习心得三周六节课的课程设计结束了,在这个过程中我受益匪浅。