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NEA-1235 AND.

AND, Atomic Number Densities for Criticality Calculation

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM 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 AUTHORS, MATERIAL, CATEGORIES
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1. NAME OR DESIGNATION OF PROGRAM:  AND.
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2. COMPUTERS
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Program name Package id Status Status date
AND NEA-1235/01 Tested 23-FEB-1990

Machines used:

Package ID Orig. computer Test computer
NEA-1235/01 FACOM M-780 IBM 3083
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3. DESCRIPTION OF PROGRAM OR FUNCTION

AND is designed to obtain reliable atomic number densities for neutronic calculation by the use of well established physical constants (Avogadro number, atomic  mass, material density) and theoretical and experimental formulas.
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4. METHOD OF SOLUTION

The theoretical formulas are employed to calculate number densities, except hydrogen number density in solutions where the formulas obtained by experiments are utilized.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

AND treats the fuel  materials which are commonly seen at fuel fabrication plant and spent fuel reprocessing plant; namely U-H2O, UO2-H2O, UO3-H2O, ADU-H2O, UO2F2 aqueous, U3O8-H2O, UO2(NO3)2 aqueous, Pu-H2O, PuO2-H2O, Pu(NO3)4 aqueous, PuO2.UO2-H2O, and Pu(NO3)4-UO2(NO3)2 aqueous.
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6. TYPICAL RUNNING TIME:  Within five seconds.
NEA-1235/01
NEA-DB executed the test case included in this package  on an IBM 3083 computer in 0.15 seconds of CPU time.
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS

The output format of AND is designed to meet with the input format of MAIL (code to produce effective macroscopic cross sections). MAIL produces the cross section data to be fed directly to KENO-IV, and ANISN.
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9. STATUS
Package ID Status date Status
NEA-1235/01 23-FEB-1990 Tested at NEADB
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10. REFERENCES:
NEA-1235/01, included references:
- Y. Komuro, T. Sakai and S. Nakamaru:
  Calculation Methods of Atomic Number Density for
  Various Nuclear Materials.
  JAERI-M 87-037 (JW 237)  (March 16, 1987) (in Japanese)
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11. MACHINE REQUIREMENTS:
NEA-1235/01
Th test case required 204K bytes of IBM 3083 main storage .
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-1235/01 FORTRAN-77
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:
NEA-1235/01
MVS/XA with compiler VS FORTRAN Level 2.3.0 (IBM 3083).
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

        Yuichi KOMURO, Tomohiro SAKA, Shou-ichi NAKAMURA
        Department of Fuel Safety Research
        Tokai Research Establishment
        Japan Atomic Energy Research Institute
        Tokai-mura, Naka-gun, Ibaraki-ken
        Japan
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16. MATERIAL AVAILABLE
NEA-1235/01
File name File description Records
NEA1235_01.001 Information file 63
NEA1235_01.002 AND FORTRAN-77 source 1079
NEA1235_01.003 Sample input data 17
NEA1235_01.004 JCL used at Data Bank 18
NEA1235_01.005 Sample output by Data Bank 230
NEA1235_01.006 Sample output by the author 33
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17. CATEGORIES
  • B. Spectrum Calculations, Generation of Group Constants and Cell Problems

Keywords: criticality, cross sections.