https://serpent.vtt.fi/mediawiki/index.php?title=2D_BWR_fuel_assembly_geometry&feed=atom&action=history
2D BWR fuel assembly geometry - Revision history
2024-03-29T15:56:58Z
Revision history for this page on the wiki
MediaWiki 1.25.3
https://serpent.vtt.fi/mediawiki/index.php?title=2D_BWR_fuel_assembly_geometry&diff=6585&oldid=prev
Jaakko Leppänen: Created page with " <nowiki> % --- NEA BUC Criticality Safety Benchmark Phase III-C set title "NEA/NSC/R/(2015)6" % ----------------------------------------------------------------------------..."
2024-02-11T11:35:49Z
<p>Created page with " <nowiki> % --- NEA BUC Criticality Safety Benchmark Phase III-C set title "NEA/NSC/R/(2015)6" % ----------------------------------------------------------------------------..."</p>
<p><b>New page</b></p><div> <nowiki><br />
% --- NEA BUC Criticality Safety Benchmark Phase III-C<br />
<br />
set title "NEA/NSC/R/(2015)6"<br />
<br />
% -----------------------------------------------------------------------------<br />
<br />
% --- Geometry ---------------------------------------------------------------<br />
<br />
% --- Fuel Pin definitions:<br />
<br />
pin 1<br />
fuel1 0.48<br />
clad 0.55<br />
cool40<br />
<br />
pin 2<br />
fuel2 0.48<br />
clad 0.55<br />
cool40<br />
<br />
pin 3<br />
fuel3 0.48<br />
clad 0.55<br />
cool40<br />
<br />
pin 4<br />
fuel4 0.48<br />
clad 0.55<br />
cool40<br />
<br />
pin 5<br />
fuel5 0.48<br />
clad 0.55<br />
cool40<br />
<br />
pin G<br />
fuelG 0.48<br />
clad 0.55<br />
cool40<br />
<br />
% --- Empty lattice position:<br />
<br />
pin W<br />
cool40 <br />
<br />
% --- Lattice (type = 1, pin pitch = 1.45):<br />
<br />
lat 10 1 0.0 0.0 11 11 1.45<br />
W W W W W W W W W W W <br />
W 5 4 3 2 2 W W W W W <br />
W W 3 G 2 G W W W W W <br />
W W W 1 2 2 W W W W W <br />
W W W W W W W W W W W <br />
W W W W W W W W W W W <br />
W W W W W W W W W W W <br />
W W W W W W W W W W W <br />
W W W W W W W W W W W <br />
W W W W W W W W W W W <br />
W W W W W W W W W W W<br />
<br />
% --- 45 degree symmetry<br />
<br />
set usym 10 3 2 0.0 0.0 225 45<br />
<br />
% --- Outer channel & box wall (assembly pitch = 15.24):<br />
<br />
surf 1 sqc 0.0 0.0 6.700<br />
surf 2 sqc 0.0 0.0 6.950<br />
surf 3 sqc 0.0 0.0 7.620<br />
<br />
% --- Water channel:<br />
<br />
surf 4 sqc 0.0 0.0 1.850<br />
surf 5 sqc 0.0 0.0 1.925<br />
<br />
% --- Cell definitions:<br />
<br />
cell 1 0 moder -4 % Inner water channel<br />
cell 2 0 box 4 -5 % Inner water channel wall<br />
cell 3 0 fill 10 -1 5 % Pin lattice<br />
cell 4 0 box 1 -2 % Channel box wall<br />
cell 5 0 moder 2 -3 % Outer water cnallel<br />
cell 99 0 outside 3 % Outside world<br />
<br />
% --- Reflective boundary condition:<br />
<br />
set bc 2<br />
<br />
% -----------------------------------------------------------------------------<br />
<br />
% --- Material compositions ---------------------------------------------------<br />
<br />
% --- Fuel type 1: 4.9wt% U235<br />
<br />
mat fuel1 sum burn 1 rgb 227 7 19<br />
92234.09c 8.5649E-6<br />
92235.09c 1.1221E-3<br />
92238.09c 2.1495E-2<br />
8016.09c 4.5252E-2<br />
<br />
% --- Fuel type 2: 4.4wt% U235<br />
<br />
mat fuel2 sum burn 1 rgb 238 130 98<br />
92234.09c 7.6910E-6<br />
92235.09c 1.0076E-3<br />
92238.09c 2.1609E-2<br />
8016.09c 4.5249E-2<br />
<br />
% --- Fuel type 3: 3.9wt% U235<br />
<br />
mat fuel3 sum burn 1 rgb 220 227 131<br />
92234.09c 6.8170E-6<br />
92235.09c 8.9315E-4<br />
92238.09c 2.1723E-2<br />
8016.09c 4.5247E-2<br />
<br />
% --- Fuel type 4: 3.4wt% U235<br />
<br />
mat fuel4 sum burn 1 rgb 212 190 202<br />
92234.09c 5.9431E-6<br />
92235.09c 7.7865E-4<br />
92238.09c 2.1838E-2<br />
8016.09c 4.5244E-2<br />
<br />
% --- Fuel type 5: 2.1wt% U235<br />
<br />
mat fuel5 sum burn 1 rgb 182 178 157<br />
92234.09c 3.6708E-6<br />
92235.09c 4.8094E-4<br />
92238.09c 2.2134E-2<br />
8016.09c 4.5238E-2<br />
<br />
% --- Fuel type G: 3.4wt% U235, 5.0wt% Gd<br />
<br />
mat fuelG sum burn 1 rgb 7 227 19<br />
92234.09c 5.5429E-6<br />
92235.09c 7.2622E-4<br />
92238.09c 2.0367E-2<br />
8016.09c 4.4678E-2<br />
64154.09c 3.6051E-5<br />
64155.09c 2.4475E-4<br />
64156.09c 3.3852E-4<br />
64157.09c 2.5881E-4<br />
64158.09c 4.1079E-4<br />
64160.09c 3.6481E-4<br />
<br />
% --- Division into burnup zones<br />
<br />
div fuel1 sep 1<br />
div fuel2 sep 1<br />
div fuel3 sep 1<br />
div fuel4 sep 1<br />
div fuel5 sep 1<br />
div fuelG sep 1 subr 10 0.0 0.48<br />
<br />
% --- Fuel volumes:<br />
<br />
set mvol<br />
<br />
fuel1 1 2.8953<br />
fuel2 5 2.8953<br />
fuel2 4 5.7906<br />
fuel2 3 5.7906<br />
fuel2 2 2.8953<br />
fuel2 1 5.7906<br />
fuel3 2 2.8953<br />
fuel3 1 5.7906<br />
fuel4 1 5.7906<br />
fuel5 1 2.8953<br />
fuelG 20 0.2895<br />
fuelG 19 0.2895<br />
fuelG 18 0.2895<br />
fuelG 17 0.2895<br />
fuelG 16 0.2895<br />
fuelG 15 0.2895<br />
fuelG 14 0.2895<br />
fuelG 13 0.2895<br />
fuelG 12 0.2895<br />
fuelG 11 0.2895<br />
fuelG 10 0.5791<br />
fuelG 9 0.5791<br />
fuelG 8 0.5791<br />
fuelG 7 0.5791<br />
fuelG 6 0.5791<br />
fuelG 5 0.5791<br />
fuelG 4 0.5791<br />
fuelG 3 0.5791<br />
fuelG 2 0.5791<br />
fuelG 1 0.5791<br />
<br />
% --- Cladding and channel box wall:<br />
<br />
mat clad sum tmp 559 rgb 255 251 220<br />
50000.03c 4.9797E-4<br />
26000.03c 9.1782E-5<br />
24000.03c 7.5861E-5<br />
28000.03c 4.0314E-5<br />
40000.03c 4.2465E-2<br />
<br />
mat box sum tmp 559 rgb 255 251 220<br />
50000.03c 4.9797E-4<br />
26000.03c 9.1782E-5<br />
24000.03c 7.5861E-5<br />
28000.03c 4.0314E-5<br />
40000.03c 4.2465E-2<br />
<br />
% --- Coolant with different void fractions<br />
<br />
mat cool0 sum tmp 559 moder lwtr 1001 rgb 255 255 255<br />
1001.03c 4.9316E-2<br />
8016.03c 2.4658E-2<br />
<br />
mat cool40 sum tmp 559 moder lwtr 1001 rgb 255 255 255<br />
1001.03c 3.0588E-2<br />
8016.03c 1.5294E-2<br />
<br />
mat cool70 sum tmp 559 moder lwtr 1001 rgb 255 255 255<br />
1001.03c 1.6542E-2<br />
8016.03c 8.2712E-2<br />
<br />
% --- Moderator:<br />
<br />
mat moder sum tmp 559 moder lwtr 1001 rgb 161 218 247<br />
1001.03c 4.9316E-2<br />
8016.03c 2.4658E-2<br />
<br />
% --- Thermal scattering data for light water:<br />
<br />
therm lwtr 559 lwj3.09t lwj3.11t<br />
<br />
% -----------------------------------------------------------------------------<br />
<br />
% --- Options & data libraries ------------------------------------------------<br />
<br />
% --- Libraries:<br />
<br />
set acelib "sss_jeff311u.xsdata"<br />
set declib "sss_jeff31.dec"<br />
set nfylib "sss_jeff31.nfy"<br />
<br />
% --- Neutron population and criticality cycles:<br />
<br />
set pop 2000 500 20<br />
<br />
% --- Geometry and mesh plots:<br />
<br />
plot 3 500 500<br />
mesh 3 500 500<br />
<br />
% -----------------------------------------------------------------------------<br />
<br />
% --- Burnup calculation ------------------------------------------------------<br />
<br />
% --- Power density for normalization<br />
<br />
set powdens 25.3E-3<br />
<br />
% --- Predictor-corrector algorithm & sub-steps<br />
<br />
set pcc LELI 10 10<br />
<br />
% --- Depletion history<br />
<br />
dep butot<br />
0.2 0.5<br />
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15<br />
20 25 30 35 40 45 50<br />
<br />
set inventory<br />
<br />
922340<br />
922350<br />
922360<br />
922380<br />
932370<br />
942380<br />
942390<br />
942400<br />
942410<br />
942420<br />
952410<br />
952430<br />
962440<br />
380900<br />
420950<br />
430990<br />
441010<br />
451030<br />
471090<br />
531290<br />
541310<br />
551330<br />
551340<br />
551370<br />
621470<br />
621490<br />
621500<br />
621510<br />
621520<br />
631530<br />
631540<br />
631550<br />
641550<br />
641560<br />
641570<br />
641580<br />
<br />
% -----------------------------------------------------------------------------</nowiki></div>
Jaakko Leppänen