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NESC0255 R101

R-101, 1 Group Space-Independent Reactor Kinetics for Neutron Density

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROBLEM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES
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1. NAME OR DESIGNATION OF PROGRAM:  R101
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2. COMPUTERS
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Program name Package id Status Status date
R-101 NESC0255/01 Tested 01-OCT-1976

Machines used:

Package ID Orig. computer Test computer
NESC0255/01 IBM 370 series IBM 370 series
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3. DESCRIPTION OF PROBLEM OR FUNCTION

R101 solves the space- independent, one-energy group reactor kinetics equations to determine the time variation of neutron density given specified initial conditions. Any of four programmed representations of excess reactivity can be selected.
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4. METHOD OF SOLUTION

The method of solution was originally described in ANL-5577.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM: , Maximum number of delay groups = 20.
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6. TYPICAL RUNNING TIME

Less than 30 seconds was required to compile  and execute the sample problem.
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7. UNUSUAL FEATURES OF THE PROGRAM

An interrupt facility is incorporated which permits parameter changes and edit or termination when a specified value of a parameter is attained.
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8. RELATED AND AUXILIARY PROGRAMS:  R102 (NESC Abstract 168) is the inverse program.
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9. STATUS
Package ID Status date Status
NESC0255/01 01-OCT-1976 Tested at NEADB
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10. REFERENCES

- R.O. Brittan:
  Some Problems in the Safety of Fast Reactors
  ANL-5577 (May 1956).
NESC0255/01, included references:
- J.J. Kaganove:
  Reactor Kinetics, R101 AMD Program Library Report
  (October 7, 1964).
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11. MACHINE REQUIREMENTS:  240K bytes of storage.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NESC0255/01 FORTRAN-IV
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:   OS/360.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHOR

                 J. J. Kaganove
                 Applied Mathematics Division
                 Argonne National Laboratory
                 9700 South Cass Avenue
                 Argonne, Illinois  60439
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16. MATERIAL AVAILABLE
NESC0255/01
File name File description Records
NESC0255_01.001 SOURCE PROGRAM (F4) EBCDIC 454
NESC0255_01.002 SAMPLE PROBLEM INPUT DATA 36
NESC0255_01.003 SAMPLE PROBLEM PRINTED OUTPUT 917
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17. CATEGORIES
  • E. Space-Independent Kinetics

Keywords: delayed neutrons, reactivity, reactor kinetics, reactor period.