2D BWR fuel assembly geometry
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Revision as of 13:26, 29 November 2017 by Antti Rintala (Talk | contribs)
% --- Asymmetric BWR assembly with Gd-pins ------------------- set title "BWR+Gd" % --- Fuel Pin definitions: pin 1 fuel1 4.33500E-01 void 4.42000E-01 clad 5.02500E-01 cool pin 2 fuel2 4.33500E-01 void 4.42000E-01 clad 5.02500E-01 cool pin 3 fuel3 4.33500E-01 void 4.42000E-01 clad 5.02500E-01 cool pin 4 fuel4 4.33500E-01 void 4.42000E-01 clad 5.02500E-01 cool pin 5 fuel5 4.33500E-01 void 4.42000E-01 clad 5.02500E-01 cool pin 6 fuel6 4.33500E-01 void 4.42000E-01 clad 5.02500E-01 cool pin 7 fuel7 4.33500E-01 void 4.42000E-01 clad 5.02500E-01 cool % --- Empty lattice position: pin 9 cool % --- Lattice (type = 1, pin pitch = 1.295): lat 10 1 0.0 0.0 12 12 1.295 9 9 9 9 9 9 9 9 9 9 9 9 9 1 2 3 5 5 5 5 5 3 2 9 9 2 3 5 6 6 6 6 7 5 4 9 9 3 5 7 6 7 6 6 6 6 5 9 9 5 6 6 6 6 6 6 7 6 6 9 9 5 6 7 6 9 9 9 6 7 6 9 9 5 6 6 6 9 9 9 6 6 6 9 9 5 6 6 6 9 9 9 6 6 6 9 9 5 7 6 7 6 6 6 7 6 5 9 9 3 5 6 6 7 6 6 6 6 5 9 9 2 4 5 6 6 6 6 5 5 3 9 9 9 9 9 9 9 9 9 9 9 9 9 % --- Outer channel (assembly pitch = 15.375): surf 1 sqc 0.0 0.0 6.70000 surf 2 sqc 0.0 0.0 6.93000 surf 3 sqc -0.233 -0.233 7.68750 % --- Channel inside assembly: surf 4 sqc 0.6475 0.6475 1.6742 surf 5 sqc 0.6475 0.6475 1.7445 % --- Cell definitions: cell 1 0 moder -4 % Water inside moderator channel cell 2 0 box 4 -5 % Moderator channel walls cell 3 0 fill 10 -1 5 % Pin lattice cell 4 0 box 1 -2 % Channel box wall cell 5 0 moder 2 -3 % Water outside channel box cell 99 0 outside 3 % Outside world % --- Fuel materials: mat fuel1 -10.424 92235.09c -0.015867 92238.09c -0.86563 8016.09c -0.1185 mat fuel2 -10.424 92235.09c -0.018512 92238.09c -0.86299 8016.09c -0.1185 mat fuel3 -10.424 92235.09c -0.022919 92238.09c -0.85858 8016.09c -0.1185 mat fuel4 -10.424 92235.09c -0.026445 92238.09c -0.85505 8016.09c -0.1185 mat fuel5 -10.424 92235.09c -0.029971 92238.09c -0.85153 8016.09c -0.1185 mat fuel6 -10.424 92235.09c -0.032615 92238.09c -0.84888 8016.09c -0.1185 % --- Fuel with Gd: mat fuel7 -10.291 92235.09c -3.13109E-02 92238.09c -8.14929E-01 64152.09c -6.70544E-05 64154.09c -7.13344E-04 64155.09c -5.06012E-03 64156.09c -7.08860E-03 64157.09c -5.43718E-03 64158.09c -8.64341E-03 64160.09c -7.69426E-03 8016.09c -1.19056E-01 % --- Cladding and channel box wall: mat clad -6.55 40000.06c -0.98135 24000.06c -0.00100 26000.06c -0.00135 28000.06c -0.00055 50000.06c -0.01450 8016.06c -0.00125 mat box -6.55 40000.06c -0.98135 24000.06c -0.00100 26000.06c -0.00135 28000.06c -0.00055 50000.06c -0.01450 8016.06c -0.00125 % --- Coolant (40% void fraction): mat cool -0.443760 moder lwtr 1001 1001.06c 0.66667 8016.06c 0.33333 % --- Moderator: mat moder -0.739605 moder lwtr 1001 1001.06c 0.666667 8016.06c 0.333333 % --- Thermal scattering data for light water: therm lwtr lwj3.11t % --- Cross section data library file path: set acelib "sss_jeff311u.xsdata" % --- Reflective boundary condition: set bc 2 % --- Neutron population and criticality cycles: set pop 2000 500 20 % --- Geometry and mesh plots: plot 3 500 500 mesh 3 500 500 % --- Total power for normalization: set power 1.96329E+04 % --- Detector energy grid (1 bin, E > 1.0 MeV): ene 1 1 1.0 20 % --- Average fast flux in cladding: det 1 de 1 % Use energy grid 1 dm clad % Score in material "clad" dv 16.3361 % Volume for normalization % --- Pin-wise fast flux in cladding: det 2 de 1 % Use energy grid 1 dm clad % Score in material "clad" dl 10 % Lattice bins in lat 10 dv 0.17952 % Volume for normalization % --- Fast flux in inner moderator channel wall: det 3 de 1 % Use energy grid 1 dc 2 % Score in cell 2 dv 0.96134 % Volume for normalization % --- Fast flux in outer channel wall: det 4 de 1 % Use energy grid 1 dc 4 % Score in cell 4 dv 12.5396 % Volume for normalization % ------------------------------------------------------------
