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

To submit a request, click below on the link of the version you wish to order. Rules for end-users are available here.

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