*********************************************************************** * IAEA WIMS-D LIBRARY UPDATED PROJECT (WLUP) * * ========================================== * * * * BENCHMARK LABEL: * * WWER-TYPE LATTICE CRITICALITY CALCULATIONS (A) * * * * REFERENCES: * * 1)- FINAL REPORT OF TIC: EXPERIMENTAL INVESTIGATIONS OF THE * * PHYSICAL PROPERTIES OF WWER-TYPE URANIUM-WATER LATTICES,* * VOLUME 1, AKADEMIAI KIADO, BUPAPEST 1985. * * 2)- FINAL REPORT OF TIC: EXPERIMENTAL INVESTIGATIONS OF THE * * PHYSICAL PROPERTIES OF WWER-TYPE URANIUM-WATER LATTICES,* * VOLUME 3, AKADEMIAI KIADO, BUPAPEST 1991. * * 3)- INTERNATIONAL HANDBOOK OF CRITICALITY BENCHMARKS * * LEU-COMP-THERM-015-ASYMPTOTIC LATTICES * * * * SUMMARY: * * A K-EFF CALCULATION IS PERFORMED FOR A SELECTED GROUP OF * * REGULAR WWER-TYPE UO2-H2O LATTICES. MEASURED MATERIAL * * BUCKLINCKS ARE GIVEN AS INPUT. * * A CRITICAL BUCKLING SEARCH IS ALSO CARRIED OUT FOR DIRECT * * COMPARISON WITH THE EXPERIMENTAL VALUE. * * LATTICES ARE IDENTIFIED AS P/E/CB/T, WHERE * * P: LATTICE PICHT [cm] * * E: ATOMIC ENRICHMENT [at. %] * * CB: BORON CONCENTRATION [g H3BO3/l] * * T: TEMPERATURE [C] * * * * PREPARED BY: * * DANIEL L. ALDAMA * * CENTRO DE TECNOLOGIA NUCLEAR (CTN), LA HABANA, CUBA * * * * DATE: 14/04/1999 * * * * REVISED: 14/08/2000 BY YEVGENIY ROZHIKHIN, IPPE, OBNINSK, RUSSIA * * 12/10/2000 BY DANIEL LOPEZ ALDAMA, CTN, LA HABANA, CUBA * * 27/08/2001 BY DANIEL LOPEZ ALDAMA, CTN, LA HABANA, CUBA * * * *********************************************************************** CELL 6 SEQUENCE 1 NGROUP 69 2 NMESH 34 NREGION 4 0 4 NMATERIAL 3 1 NREACT 2 PREOUT INITIATE *********************************************************************** **** CASE 11 **** **** WWER-LATTICE 1.27/1.6/0.0/21 **** **** MAIN DATA **** **** GEOMETRY **** ANNULUS 1 0.380000 1 ANNULUS 2 0.387500 0 ANNULUS 3 0.452500 2 ANNULUS 4 0.666798 3 * PITCH 1.27 cm MESH 15 1 3 15 **** **** MATERIAL COMPOSITION **** MATERIAL 1 -1 294.15 1 $ * FUEL 1.6 at. % 234.0 2.31366E-06 2235.0 3.62927E-04 $ 8238.0 2.23177E-02 6016 4.53659E-02 MATERIAL 2 -1 294.15 2 $ * CLAD 91 4.27937E-02 93 4.24561E-04 $ 178 6.62969E-06 MATERIAL 3 -1 294.15 3 $ * MODERATOR 0.0/21 3001 6.67205E-02 6016 3.33603E-02 $ 1011 0.00000E+00 **** **** MAIN TRANSPORT OPTIONS **** REGULAR 1 6 S 32 TOLERANCE 5.0E-5 FEWGROUPS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 $ 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 $ 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 $ 61 62 63 64 65 66 67 68 69 SUPPRESS 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 BEGINC **** **** EDIT DATA OPTIONS **** THERMAL 24 BUCKLING 39.05E-04 11.52E-04 * 1.27/1.6/0.0/21 B2=50.57E-04 BEEONE 1 DNB 1 0.0 0.0 0.0 0.0 DNB 2 0.0 0.0 0.0 0.0 DNB 3 6.67205E-02 0.0 3.33603E-02 0.0 LEAKAGE 5 REACTION 2235.0,294.15 8238.0,294.15 PARTITION 45 69 BEGINC *********************************************************************** **** CASE 12 **** **** WWER-LATTICE 1.27/1.6/1.85/21 **** **** MAIN DATA **** **** GEOMETRY **** ANNULUS 1 0.380000 1 ANNULUS 2 0.387500 0 ANNULUS 3 0.452500 2 ANNULUS 4 0.666798 3 * PITCH 1.27 cm MESH 15 1 3 15 **** **** MATERIAL COMPOSITION **** MATERIAL 1 -1 294.15 1 $ * FUEL 1.6 at. % 234.0 2.31366E-06 2235.0 3.62927E-04 $ 8238.0 2.23177E-02 6016 4.53659E-02 MATERIAL 2 -1 294.15 2 $ * CLAD 91 4.27937E-02 93 4.24561E-04 $ 178 6.62969E-06 MATERIAL 3 -1 294.15 3 $ * MODERATOR 1.85/21 3001 6.67103E-02 6016 3.33822E-02 $ 1011 1.80002E-05 **** **** MAIN TRANSPORT OPTIONS **** REGULAR 1 6 S 32 TOLERANCE 5.0E-5 FEWGROUPS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 $ 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 $ 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 $ 61 62 63 64 65 66 67 68 69 SUPPRESS 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 BEGINC **** **** EDIT DATA OPTIONS **** THERMAL 24 BUCKLING 20.03E-04 13.29E-04 * 1.27/1.6/1.85/21 B2=33.32E-04 BEEONE 1 DNB 1 0.0 0.0 0.0 0.0 DNB 2 0.0 0.0 0.0 0.0 DNB 3 6.67103E-02 0.0 3.33822E-02 0.0 LEAKAGE 5 REACTION 2235.0,294.15 8238.0,294.15 PARTITION 45 69 BEGINC *********************************************************************** **** CASE 23 **** **** WWER-LATTICE 1.50/1.6/0.0/21 **** **** MAIN DATA **** **** GEOMETRY **** ANNULUS 1 0.380000 1 ANNULUS 2 0.387500 0 ANNULUS 3 0.452500 2 ANNULUS 4 0.787556 3 * PITCH 1.50 cm MESH 15 1 3 15 **** **** MATERIAL COMPOSITION **** MATERIAL 1 -1 294.15 1 $ * FUEL 1.6 at. % 234.0 2.31366E-06 2235.0 3.62927E-04 $ 8238.0 2.23177E-02 6016 4.53659E-02 MATERIAL 2 -1 294.15 2 $ * CLAD 91 4.27937E-02 93 4.24561E-04 $ 178 6.62969E-06 MATERIAL 3 -1 294.15 3 $ * MODERATOR 0.0/21 3001 6.67205E-02 6016 3.33603E-02 $ 1011 0.00000E+00 **** **** MAIN TRANSPORT OPTIONS **** REGULAR 1 6 S 32 TOLERANCE 5.0E-5 FEWGROUPS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 $ 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 $ 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 $ 61 62 63 64 65 66 67 68 69 SUPPRESS 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 BEGINC **** **** EDIT DATA OPTIONS **** THERMAL 24 BUCKLING 36.28E-04 12.62E-04 * 1.50/1.6/0.0/21 B2=48.90E-04 BEEONE 1 DNB 1 0.0 0.0 0.0 0.0 DNB 2 0.0 0.0 0.0 0.0 DNB 3 6.67205E-02 0.0 3.33603E-02 0.0 LEAKAGE 5 REACTION 2235.0,294.15 8238.0,294.15 PARTITION 45 69 BEGINC *END