Computer Programs

NEA-0374 SPES.

NEA-0374 SPES.

SPES, Fuel Cycle Optimization for LWR

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS, TYPICAL RUNNING TIME, FEATURES, AUXILIARIES, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED, OTHER RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: SPES.

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2. COMPUTERS

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Program name	Package id	Status	Status date
SPES	NEA-0374/01	Tested	01-JUL-1973

Machines used:

Package ID	Orig. computer	Test computer
NEA-0374/01	IBM 370 series	IBM 370 series

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3. NATURE OF PHYSICAL PROBLEM SOLVED

Determination of optimal fuel cycle at equilibrium for a light water reactor taking into account batch size, fuel enrichment, derating, shutdown time, cost of replacement energy.

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4. METHOD OF SOLUTION: Iterative method.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

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6. TYPICAL RUNNING TIME: Three minutes, including plotting.

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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM

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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-0374/01	01-JUL-1973	Tested at NEADB

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10. REFERENCES

- P. Civita, P.Fornaciari, T.Mazzanti:
'Optimal Operational Strategy in Nuclear Fuel Management'
Nuclear Technology, Vol.14 (May 1972).
- Report on Code SPES - ENEL-CPN.

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11. MACHINE REQUIREMENTS

64k main storage
card reader
line printer
card punch
plotter BENSON

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0374/01	FORTRAN-IV

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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED: EXEC VIII, ENEL software for plotter BENSON.

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

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15. NAME AND ESTABLISHMENT OF AUTHOR: ENEL CPN
Viale Regina Margherita 137
00198 Rome
Italy.

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16. MATERIAL AVAILABLE

NEA-0374/01

File name	File description	Records
NEA0374_01.001	SOURCE PROGRAM (FORTRAN)	1207
NEA0374_01.002	OVERLAY CARDS+SAMPLE INPUT	15
NEA0374_01.003	SAMPLE OUTPUT	121

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17. CATEGORIES

D. Depletion, Fuel Management, Cost Analysis, and Power Plant Economics

Keywords: LWR reactors, cost, fuel cycle, fuel management, iterative methods.