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NEA-0174 ARLEKIN.

ARLEKIN, General Point Reactor Kinetics by Lie-Series Method

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1. NAME OR DESIGNATION OF PROGRAM:  ARLEKIN.
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2. COMPUTERS
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Program name Package id Status Status date
ARLEKIN NEA-0174/01 Tested 01-JUL-1967

Machines used:

Package ID Orig. computer Test computer
NEA-0174/01 IBM 7090 IBM 7090
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3. NATURE OF PHYSICAL PROBLEM SOLVED

It solves reactor kinetic equations. Equations of variables defining feedback may be non- linear. The external reactivity may be expressed in terms of a linear combination of time-dependent functions such as step- functions, ramps, sine-functions or exponentials. Cooling coefficients are allowed to vary discontinuously in time in order to simulate pump accidents.
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4. METHOD OF SOLUTION

The differential equations are integrated using the Lie-series method.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

The maximum number of differential equations that can be solved simultaneously is 30.
20 groups of delayed neutrons.
8 feedback equations.
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6. TYPICAL RUNNING TIME:  1 - 5 min. depending on the case.
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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-0174/01 01-JUL-1967 Tested at NEADB
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10. REFERENCES
NEA-0174/01, included references:
- J.C. Mayor, J. Menning, G. Sarlos:
  A Generalised Reactor Kinetics Code Using Lie-Series
  EIR-Bericht no. 111 (1967).
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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0174/01 FORTRAN-II (IBM)
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13. SOFTWARE REQUIREMENTS: OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED
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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

J.C. Mayor
                                   EIR Wuerenlingen AG.
                                   Switzerland
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16. MATERIAL AVAILABLE
NEA-0174/01
File name File description Records
NEA0174_01.001 SOURCE & DATA 552
NEA0174_01.002 OUTPUT 159
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17. CATEGORIES
  • E. Space-Independent Kinetics
  • G. Radiological Safety, Hazard and Accident Analysis

Keywords: feedback, loss-of-coolant accident, reactor kinetics, time dependence.