https://serpent.vtt.fi/mediawiki/index.php?title=2D_VVER-440_fuel_assembly_geometry&feed=atom&action=history
2D VVER-440 fuel assembly geometry - Revision history
2024-03-28T20:26:12Z
Revision history for this page on the wiki
MediaWiki 1.25.3
https://serpent.vtt.fi/mediawiki/index.php?title=2D_VVER-440_fuel_assembly_geometry&diff=6583&oldid=prev
Jaakko Leppänen at 08:58, 11 February 2024
2024-02-11T08:58:03Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 08:58, 11 February 2024</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>% --- VVER-440 Assembly --------------------------------------</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>% --- VVER-440 Assembly --------------------------------------</div></td></tr>
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Jaakko Leppänen
https://serpent.vtt.fi/mediawiki/index.php?title=2D_VVER-440_fuel_assembly_geometry&diff=6582&oldid=prev
Jaakko Leppänen at 08:57, 11 February 2024
2024-02-11T08:57:34Z
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Jaakko Leppänen
https://serpent.vtt.fi/mediawiki/index.php?title=2D_VVER-440_fuel_assembly_geometry&diff=6581&oldid=prev
Jaakko Leppänen: Created page with "<nowiki> % --- VVER-440 Assembly -------------------------------------- set title "VVER-440" % --- Fuel pin with central hole: pin 1 void 0.07000 fuel 0.38000 void 0...."
2024-02-11T08:56:09Z
<p>Created page with "<nowiki> % --- VVER-440 Assembly -------------------------------------- set title "VVER-440" % --- Fuel pin with central hole: pin 1 void 0.07000 fuel 0.38000 void 0...."</p>
<p><b>New page</b></p><div><nowiki><br />
% --- VVER-440 Assembly --------------------------------------<br />
<br />
set title "VVER-440"<br />
<br />
% --- Fuel pin with central hole:<br />
<br />
pin 1<br />
void 0.07000<br />
fuel 0.38000<br />
void 0.39000<br />
clad 0.45500<br />
water <br />
<br />
% --- Central tube:<br />
<br />
pin 2 <br />
water 0.44000<br />
clad 0.51500<br />
water <br />
<br />
% --- Empty lattice position:<br />
<br />
pin 3<br />
water <br />
<br />
% --- Lattice (type = 2, pin pitch = 1.23 cm):<br />
<br />
lat 10 2 0.0 0.0 15 15 1.23<br />
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3<br />
3 3 3 3 3 3 3 1 1 1 1 1 1 1 3<br />
3 3 3 3 3 3 1 1 1 1 1 1 1 1 3 <br />
3 3 3 3 3 1 1 1 1 1 1 1 1 1 3 <br />
3 3 3 3 1 1 1 1 1 1 1 1 1 1 3 <br />
3 3 3 1 1 1 1 1 1 1 1 1 1 1 3<br />
3 3 1 1 1 1 1 1 1 1 1 1 1 1 3<br />
3 1 1 1 1 1 1 2 1 1 1 1 1 1 3<br />
3 1 1 1 1 1 1 1 1 1 1 1 1 3 3<br />
3 1 1 1 1 1 1 1 1 1 1 1 3 3 3 <br />
3 1 1 1 1 1 1 1 1 1 1 3 3 3 3<br />
3 1 1 1 1 1 1 1 1 1 3 3 3 3 3<br />
3 1 1 1 1 1 1 1 1 3 3 3 3 3 3<br />
3 1 1 1 1 1 1 1 3 3 3 3 3 3 3<br />
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 <br />
<br />
% --- Surfaces (assembly pitch = 14.7 cm):<br />
<br />
surf 1 hexyc 0.0 0.0 7.100 % Shroud tube inner radius<br />
surf 2 hexyc 0.0 0.0 7.250 % Shroud tube outer radius<br />
surf 3 hexyc 0.0 0.0 7.350 % Outer boundary<br />
<br />
% --- Cells:<br />
<br />
cell 1 0 fill 10 -1 % Pin lattice <br />
cell 4 0 tube 1 -2 % Shroud tube <br />
cell 5 0 water 2 -3 % Water in channel <br />
cell 99 0 outside 3 % Outside world <br />
<br />
% --- UO2 fuel enriched to 3.6 wt-% U-235:<br />
<br />
mat fuel -10.45000<br />
92235.09c -0.03173<br />
92238.09c -0.84977<br />
8016.09c -0.11850<br />
<br />
% --- Zr-Nb cladding and shroud tube:<br />
<br />
mat clad -6.55000<br />
40000.06c -0.99000<br />
41093.06c -0.01000<br />
<br />
mat tube -6.55000<br />
40000.06c -0.97500<br />
41093.06c -0.02500<br />
<br />
% --- Water: (1 ppm boron for iteration)<br />
<br />
mat water -0.7207 moder lwtr 1001<br />
1001.06c 2.0<br />
8016.06c 1.0<br />
5010.06c 0.2E-6<br />
5011.06c 0.8E-6<br />
<br />
% --- Iterate critical boron concentration:<br />
<br />
set iter nuc 50 1.0 2 50100 50110 1 water<br />
<br />
% --- Thermal scattering data for light water:<br />
<br />
therm lwtr lwj3.11t<br />
<br />
% --- Cross section library file path:<br />
<br />
set acelib "sss_jeff31u.xsdata"<br />
<br />
% --- Periodic boundary condition:<br />
<br />
set bc 3<br />
<br />
% --- Neutron population and criticality cycles:<br />
<br />
set pop 2000 500 20<br />
<br />
% --- Mesh plot:<br />
<br />
mesh 3 500 500<br />
<br />
% --- Geometry plots:<br />
<br />
plot 30 500 500 % No boundaries<br />
plot 31 500 500 % Cell boundaries<br />
plot 32 500 500 % Material boundaries (default)<br />
plot 33 500 500 % Both cell amd material boundaries<br />
<br />
% --- Detector energy grid (uniform lethargy):<br />
<br />
ene 1 3 1000 1E-9 12.0<br />
<br />
% --- Flux per lethargy:<br />
<br />
det 1 de 1 dt -3<br />
<br />
% --- Differential capture, fission and production spectra:<br />
<br />
det 2 de 1 dt -2 dr -2 void<br />
det 3 de 1 dt -2 dr -6 void<br />
det 4 de 1 dt -2 dr -7 void<br />
<br />
% --- Integral capture, fission and production spectra:<br />
<br />
det 5 de 1 dt -1 dr -2 void<br />
det 6 de 1 dt -1 dr -6 void<br />
det 7 de 1 dt -1 dr -7 void<br />
<br />
% ------------------------------------------------------------</nowiki></div>
Jaakko Leppänen