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NEA-0842 SRAC-95.

SRAC-95, Cell Calculation with Burnup, Fuel Management for Thermal Reactors

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1. NAME OR DESIGNATION OF PROGRAM:  SRAC.
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2. COMPUTERS
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Program name Package id Status Status date
SRAC-95 NEA-0842/03 Tested 12-APR-2004

Machines used:

Package ID Orig. computer Test computer
NEA-0842/03 UNIX W.S.,Linux-based PC PC bi-Pentium III 1GHz LINUX RedHat
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3. DESCRIPTION OF PROGRAM OR FUNCTION

General neutronics calculation  including cell calculation with burn-up, core calculation for any type of thermal reactor. Core burn-up calculation and fuel management by an auxiliary code.
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4. METHOD OF SOLUTION

Collision probability method, 1D and 2D Sn for  cell calculation; 1D, 2D and 3D diffusion for core calculation.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

20 regions for a
continuous energy resonance absorption calculation and 16 steps for  cell burn-up.
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6. TYPICAL RUNNING TIME

It depends on the number of energy group, geometry option, and with or without burn-up calculation.
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7. UNUSUAL FEATURES OF THE PROGRAM

Flexible energy group structure in cell and core calculation. 13 types of cell geometries for collision probability method. Optional treatments for resonance absorption by  table-look-up based on NR or IR, or the continuous energy cell calculation in dominant resonance energy range. Successive cell calculation to treat double heterogeneity.
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8. RELATED AND AUXILIARY PROGRAMS

PROF-GROUCH G-II to update the fast neutron library.
TIMS to update the unresolved resonance data in the library.
SRACTLIB to update the thermal neutron library.
PDSEDT and PDSEDGRP to control and edit PDS files.
COREBN for core burn-up and  fuel management.
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9. STATUS
Package ID Status date Status
NEA-0842/03 12-APR-2004 Tested at NEADB
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10. REFERENCES
NEA-0842/03, included references:
- K. Tsuchihaschi, Y. Ishiguro, K. Kaneko, and M. Ido:
  Revised SRAC Code System
  JAERI 1302 (September 1986).
- K. Tsuchihaschi:
  Collision Probability in Two-Dimensional Lattice by Ray-Trace
  Method and Its Applications to Cell Calculations
  JAERI-M 85-034 (December 1985).
- T. Kugo et al.:
  SRAC-EWS : An EWS Version of the SRAC Code
  User's Manual
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11. MACHINE REQUIREMENTS

1.4 MB core memories for normal work area of 60,000 words. Plotter facility.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0842/03 FORTRAN-77
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  UNIX.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS
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15. NAME AND ESTABLISHMENT OF AUTHORS

         K. Tsuchihashi, Y. Ishiguro, K. Kaneko, M. Ido,
         JAERI Tokai Research Establishment
         Tokai-mura, Ibaraki-ken 319-11
         Japan
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16. MATERIAL AVAILABLE
NEA-0842/03
ReadMe readme file
SRAC.tar Main part of the SRAC code (sources, utilities, samples, etc.)
ASMBURN.tar  Auxiliary code for fuel assembly burn-up calculation
COREBN.tar  Auxiliary code for core burn-up calculation
SRAC Abstract.doc
SRACLIB-JDL32.tar   SRAC library based on JENDL-3.2
SRACLIB-EDFB4.tar  SRAC library based on ENDF/B-IV
SRACLIB-EDF65.tar   SRAC library based on ENDF/B-VI rel. 5
SRACLIB-JEF22.tar   SRAC library based on JEF-2.2
SRACLIB-JDL31.tar   SRAC library based on JENDL-3.1
SRACLIB-EDFB5.tar  SRAC library based on ENDF/B-V
SRACLIB-EDF62.tar  SRAC library based on ENDF/B-VI rel. 2
NEA_842_3_V1.PDF Documentation JAERI 1302
NEA_842_3_V2.PDF Documentation SRAC-EWS
NEA_842_3_V3.PDF Documentation JAERI-M 85-034
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17. CATEGORIES
  • B. Spectrum Calculations, Generation of Group Constants and Cell Problems
  • D. Depletion, Fuel Management, Cost Analysis, and Power Plant Economics

Keywords: burnup, cell calculation, fuel management, neutronics.