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NEA-0181 RADIFLUX.

RADIFLUX, Bessel Function Fit of Radial Flux Data in Cylindrical Reactor

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1. NAME OR DESIGNATION OF PROGRAM:  RADIFLUX.
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2. COMPUTERS
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Program name Package id Status Status date
RADIFLUX NEA-0181/01 Tested 01-JUL-1980

Machines used:

Package ID Orig. computer Test computer
NEA-0181/01 IBM 3033 IBM 3033
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Calculates the parameters of the  Bessel function that will best fit data from radial flux distribution measurements in a cylindrical reactor.
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4. METHOD OF SOLUTION:  Steepest descent for the minimization.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  Number of the measured points less than 200.
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6. TYPICAL RUNNIG TIME

Depends on the data. A few seconds for a case with 30 points.
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7. UNUSUAL FEATURES OF THE PROGRAM

Determines the extrapolated height  and estimates the associated errors for the computed quantities. When a computation has been carried out, it may be repeated after having omitted a specified number of measured points from each end.
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8. RELATED AND AUXILIARY PROGRAMS:  U9 KIRA AXIFLUX.
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9. STATUS
Package ID Status date Status
NEA-0181/01 01-JUL-1980 Tested at NEADB
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10. REFERENCES

- O. Holte:
  AXIFLUX and RADIFLUX. Two Computer Programmes for Curve Fitting to    Data from Flux Distribution Measurements in a Cylindrical Reactor.
  Mathematics section memo no. 20. Institutt for Atomenergi.
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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0181/01 FORTRAN-IV
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  SCOPE.
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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

O. Holte
                                   Institutt for Atomenergi
                                   Kjeller
                                   Norway
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16. MATERIAL AVAILABLE
NEA-0181/01
File name File description Records
NEA0181_01.001 RADIFLUX SOURCE (F4,EBCDIC) 393
NEA0181_01.002 RADIFLUX SAMPLE PROBLEM INPUT 64
NEA0181_01.003 RADIFLUX SAMPLE PROBLEM OUTPUT 463
NEA0181_01.004 JCL AND INFORMATION 61
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17. CATEGORIES
  • C. Static Design Studies
  • O. Experimental Data Processing

Keywords: data processing, neutron flux.