******************************************************************************
* WIMSD5B                                                                    *
* ISOTHRMAL MODERATOR TEMPERATUTE COEFFICIENT BENCHMARK              S12     *
* KRITZ2_19                                                                  *
* FUEL : UO2-PuO2                                                            *
*                   -- reference --                                          *
*       E.Johansson "Data and results for KRITZ experiments on regular       *
*          H2O/fuel pin lattices at temperatures up to 245°C                 *
*                    STUDSVIK/NS-90/133(1990)                                *
*                                                                            *
* PREPARED BY L.ERRADI AND A.HTET               30/06/99                     *
******************************************************************************
******************************************************************
* CASE : PITCH=1.8 cm ,Vm/Vf=3.32 , T(°C)=21. ,   BORON = 5. ppm *
******************************************************************
CELL      6
SEQUENCE  1
NGROUP   69  2
NMESH    20
NREGION   4  0  4
NMATERIAL 3
NREACT    2
ENDPRELUDE
INITIATE
*** MAIN DATA
*** GEOMETRY
ANNULUS   1    0.4725        1
ANNULUS   2    0.482        0
ANNULUS   3    0.5395        2
ANNULUS   4    1.0155413    3
FEWGROUP  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
MESH      8  1 3 8
*** MATERIAL DATA
MATERIAL 1 -1 294.0 1 2235 3.41034985E-5 $
 8238 0.0210123395 6239 2.9179061E-4 1240 2.499420E-5 $
1241 1.41422E-6 1242 9.576324E-8 6016 0.04273130 951 9.15633E-7
MATERIAL 2 -1 294 2 91 4.155952E-2 52 1.81202E-4 2056 1.27202E-4
MATERIAL 3  -1     294.0  3  6016   3.33828E-02 3001   6.67656E-02 $
1011 0.2779326E-6
REGULAR   1
S        12
BEGINC
THERMAL  24
* BEEONE    1
* DNB       1 0.      0. 0. 0.
* DNB       2 0.      0. 0.      0.
* DNB       3 6.67656E-02 0. 3.33828E-02 0.
BUCKLINGS 0.00605  0.001637
DIFFUSION 2
LEAKAGE   5
REACTION  2235,294.0   8238,294.0
PARTITION 45 69
BEGINC
****************************************************************************
* CASE : PITCH=1.8 cm ,Vm/Vf=3.32 , T(°C)=236. ,   BORON = 5. ppm          *
****************************************************************************
*** MAIN DATA
*** GEOMETRY
ANNULUS   1   4.732694E-01        1
ANNULUS   2   4.827848E-01      0
ANNULUS   3   5.403560E-01       2
ANNULUS   4    1.019332    3
FEWGROUP  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
MESH      8 1 3 8
*** MATERIAL DATA
MATERIAL 1 -1 509.0 1     2235    3.399271E-05    $
                          8238    2.094408E-02    $
                          6239    2.908427E-04    $
                          1240    2.491300E-05    $
                          1241    1.409626E-06    $
                          1242    9.545214E-08    $
                          6016    4.259248E-02    $
                          951     9.126585E-07
MATERIAL 2 -1 509.0 2       91    4.142796E-02    $
                            52    1.806284E-04    $
                          2056    1.267993E-04
MATERIAL 3  -1     509.0  3  6016   2.74177E-02 3001   5.48353E-02 $
1011 0.228447E-6
REGULAR   1
S        12
BEGINC
THERMAL  24
DIFFUSION 2
* BEEONE    1
* DNB       1 0.      0. 0.  0.
* DNB       2 0.      0. 0.      0.
* DNB       3  5.48353E-02  0. 2.74177E-02 0.
BUCKLINGS 0.005318  0.00077
REACTION 2235  509   8238   509
PARTITION 45 69
BEGINC
*END