******************************************************************************
* WIMSD5B                                                                    *
* ISOTHRMAL MODERATOR TEMPERATUTE COEFFICIENT BENCHMARK             S12      *
* KRITZ_213                                                                  *
* FUEL : UO2                                                                 *
*                     -- 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=1.635 cm,  T=22.0C,   Boron= 452 ppm               *
*********************************************************************
CELL 6
SEQUENCE 1
NGROUP 69 2
NMESH 20
NREGION 4 0 4
NMATERIAL 3
NREACT 2
PREOUT
INITIATE
*KRITZ 2:13 UO2 22 degrees
ANNULUS 1 0.529  1
ANNULUS 2 0.5385 0
ANNULUS 3 0.6125 2
ANNULUS 4 0.92245 3
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
MESH 8 1 3 8
MATERIAL 1 -1 295 1 2235 4.25994E-4 8238 2.219361E-2 $
       236 2.19125E-6 234 2.67524E-6  6016 4.52392E-2
MATERIAL 2 -1 295.0 2 91 4.155952E-2 52 1.81202E-4 2056 1.27202E-4
MATERIAL 3 -1 295 3 3001 6.67408E-2 6016 3.33704E-2 1011 2.513904E-5
REGULAR 1
S      12
BEGINC
THERMAL 24
* BEEONE 1
* DNB 1 0.0 0.0 0.0 0.0
* DNB 2 0.0 0.0 0.0 0.0
* DNB 3 0.0667408 0.0 0.0333704 0.0
BUCKLING 0.003212 0.0008
DIFFUSION 2
LEAKAGE 5
REACTION 2235 295 8238 295
PARTITION 45 69
BEGINC
***********************************************************************
* CASE :                                                              *
***********************************************************************
*** MAIN DATA
*** GEOMETRY
*KRITZ 2:13 UO2 243 degrees
ANNULUS 1 5.298917E-01  1
ANNULUS 2 5.394077E-01 0
ANNULUS 3 6.135092E-01 2
ANNULUS 4 9.260045E-01 3
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
MESH 8 1 3 8
MATERIAL 1 -1 516 1        2235    4.245615E-04    $
                           8238    2.211898E-02    $
                           6016    4.508707E-02
MATERIAL 2 -1 516 2          91    4.142291E-02    $
                             52    1.806064E-04    $
                           2056    1.267839E-04
MATERIAL 3 -1 516 3 3001 .541177E-01 6016 .270588E-01 $
1011 .126430E-04
REGULAR 1
S      12
BEGINC
THERMAL 24
* BEEONE 1
* DNB 1 0.0 0.0 0.0 0.0
* DNB 2 0.0 0.0 0.0 0.0
* DNB 3 0.541177E-01 0.0 0.270588E-01 0.0
BUCKLING 0.002958 0.0006
DIFFUSION 2
LEAKAGE 5
REACTION 2235 516 8238 516
PARTITION 45 69
BEGINC
*END