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NEA-0404 BEST-5.

BEST-5, Power Reactor Fuel Cycle Optimization by Bellman Method

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1. NAME OR DESIGNATION OF PROGRAM:  BEST-5.
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2. COMPUTERS
To submit a request, click below on the link of the version you wish to order. Only liaison officers are authorised to submit online requests. Rules for requesters are available here.
Program name Package id Status Status date
BEST-5 NEA-0404/01 Tested 01-AUG-1974
BEST-5 NEA-0404/02 Tested 01-MAR-1975

Machines used:

Package ID Orig. computer Test computer
NEA-0404/01 UNIVAC 1108 UNIVAC 1108
NEA-0404/02 IBM 370 series IBM 370 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Fuel cycle optimization in nuclear power plants. Best initial core composition and subsequent reload strategies up to the equilibrium.
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4. METHOD OF SOLUTION:  Bellman method of dynamic programming.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Storage allocation - 65k words
max. initial core composition - 256
max. number of fuel types - 15
max. number of loading strategies - 15
max. number of cycles - 24 (7 strategies)
                        18 (15 strategies)
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6. TYPICAL RUNNING TIME

Running time with
- 25 initial core composition
- 15 fuel types
- 7 loading strategies
- 20 cycles
is 3 to 5 minutes on UNIVAC 1108.
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7. UNUSUAL FEATURES OF THE PROGRAM

Fuel cycle design problems in connection with money interest and replacement energy cost.
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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS
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9. STATUS
Package ID Status date Status
NEA-0404/01 01-AUG-1974 Tested at NEADB
NEA-0404/02 01-MAR-1975 Tested at NEADB
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10. REFERENCES

- 'BEST-5, A Code for Optimization of Nuclear Fuel Strategy'
  ENEL-CPN Internal Technical Report (1974).
NEA-0404/01, included references:
- P. Civita and T. Mazzanti:
  Programma BEST-5 Strategia Ottimale di Caricamento del
  Combustibile Nucleare
  Rif.0/004/20/AUT (Giugno 1974).
- NEA CPL:
  BEST-5 - Fuel Cycle Optimization, Corrections made by the author
  to original UNIVAC version
  Appendix A (May 75).
- P. Civita, P. Fornaciari, and T. Mazzanti:
  Optimal Operational Strategy in Nuclear fuel Management
  Reprint from Nuclear Technology, Vol. 14 (May 1972).
- P. Fornaciari:
  Strategy and Tactics in Nuclear fuel Management
  Reprint from Energia Nucleare, Vol. 18, No. 3 (Marzo 1971).
NEA-0404/02, included references:
- P. Civita and T. Mazzanti:
  Programma BEST-5 Strategia Ottimale di Caricamento del
  Combustibile Nucleare
  Rif.0/004/20/AUT (Giugno 1974).
- P. Civita, P. Fornaciari, and T. Mazzanti:
  Optimal Operational Strategy in Nuclear fuel Management
  Reprint from Nuclear Technology, Vol. 14 (May 1972).
- P. Fornaciari:
  Strategy and Tactics in Nuclear fuel Management
  Reprint from Energia Nucleare, Vol. 18, No. 3 (Marzo 1971).
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11. MACHINE REQUIREMENTS

Core storage - 65k words
back-up storage - 1 disk or drum
card reader
high-speed printer
clock (if option for running time detail evaluation is used).
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0404/01 FORTRAN-V (UNIVAC)
NEA-0404/02 FORTRAN-IV
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  UNIVAC EXEC-8. IBM 370/O.S.
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14. ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

Reference must be made to documentation listed under 10, because bit operations are largely used in the program.
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15. NAME AND ESTABLISHMENT OF AUTHOR:    P. Civita and T. Mazzanti, ENEL - CPN, Rome, Italy
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16. MATERIAL AVAILABLE
NEA-0404/01
File name File description Records
NEA0404_01.001 SOURCE PROGRAM (FORTRAN) 1574
NEA0404_01.002 SAMPLE PROBLEM 107
NEA0404_01.003 OUTPUT LIST OF SAMPLE PROBLEM 1429
NEA-0404/02
File name File description Records
NEA0404_02.001 SOURCE PROGRAM (F4) 3656
NEA0404_02.002 JCL 8
NEA0404_02.003 SAMPLE PROBLEM INPUT DATA 107
NEA0404_02.004 SAMPLE PROBLEM PRINTED OUTPUT 1768
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17. CATEGORIES
  • D. Depletion, Fuel Management, Cost Analysis, and Power Plant Economics

Keywords: cost, fuel cycle, nuclear power plants, optimization.