NEA-0112 KINAX-3.

KINAX-3, 1-D 1 Group Reactor Kinetics with Xe and I and Fission Products Heating and Auto-Control

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

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1. NAME OR DESIGNATION OF PROGRAM: KINAX-3.

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2. COMPUTERS

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Program name	Package id	Status	Status date
KINAX-3	NEA-0112/01	Tested	01-JUN-1966

Machines used:

Package ID	Orig. computer	Test computer
NEA-0112/01	IBM 7094	IBM 7094

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3. NATURE OF PHYSICAL PROBLEM SOLVED

Studies the kinetic behaviour of a power reactor, using one-dimensional, one neutron energy group model. Includes effects of Xenon, Iodine, fission product heating, auto-control, and other moving absorbers.

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4. METHOD OF SOLUTION

Semi-implicit solution in time (Crank-Nicolson). Simple three point approximation to neutron diffusion terms in equations.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Maximum number of mesh points - 50
Maximum number of delay groups - 6
Maximum number of material temperatures calculated at each point - 17

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6. TYPICAL RUNNING TIME: Approximately 1 second per time step, for a simple case.

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7. UNUSUAL FEATURES OF THE PROGRAM

Temperatures can be calculated for extra channels whose properties and axial flux shapes may be different from the main one, but whose power changes with time in the same way.

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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-0112/01	01-JUN-1966	Tested at NEADB

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10. REFERENCES

NEA-0112/01, included references:

- J. Ellis:
The KINAX One-Dimensional Reactor Kinetic Program: KINAX-3
CD/NS/11 (August 1963).

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11. MACHINE REQUIREMENTS: 32k. 6 tape units.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0112/01	FORTRAN+FAP

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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED: FORTRAN II monitor.

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14. ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

Maximum number of mesh points may be reduced by changing dimension statements, to allow programme to be run on a smaller computer, or a different operating system, e.g. FORTRAN IV/IBSYS.

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15. NAME AND ESTABLISHMENT OF AUTHOR

J. Ellis
                                   C.E.G.B. Computing Branch
                                   Friars House
                                   Blackfriars Road
                                   London, S.E.1.
                                   U.K.

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16. MATERIAL AVAILABLE

NEA-0112/01