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NEA-0229 DCXE.

DCXE, Time-Dependent Xe Diffusion in Non-Multiplying Slab

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1. NAME OR DESIGNATION OF PROGRAM:  DCXE.
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2. COMPUTERS
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Program name Package id Status Status date
DCXE NEA-0229/01 Tested 01-JAN-1969

Machines used:

Package ID Orig. computer Test computer
NEA-0229/01 IBM 360 series IBM 360 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Programme DCXE was designed for the analysis of the diffusion phenomena of xenon in non-multiplying  media (slab geometry) and solves the Fick's second diffusion equation with boundary conditions. Initial distribution of xenon in  the media at time 0 and 0 value of distribution at both ends of media at any positive time.
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4. METHOD OF SOLUTION

Difference approximation is used to solve Fick's second diffusion equation. Strict stability condition is chosen between time and spatial intervals.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM
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6. TYPICAL RUNNING TIME:  1 minute for the problem of 30 time mesh, 60 spatial mesh.
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM
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8. RELATED AND AUXILIARY PROGRAMS:  INTPOL.
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9. STATUS
Package ID Status date Status
NEA-0229/01 01-JAN-1969 Tested at NEADB
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10. REFERENCES
NEA-0229/01, included references:
- K.Horikami, S.Kawasaki:
  DCXE - The Diffusion Program
  (November 1968).
- S.Kawasaki:
  The Diffusion of Xenon in Silver
  Journal of Nuclear Science and Technology, 4[5], pp. 239-243
  (May 1967).
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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0229/01 FORTRAN-IV
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13. SOFTWARE REQUIREMENTS: OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED
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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

        K. Horikami, S. Kawasaki
        Japan Atomic Energy Research Institute
        Tokai, Ibaraki
        Japan
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16. MATERIAL AVAILABLE
NEA-0229/01
File name File description Records
NEA0229_01.001 SOURCE & DATA 360/65 181
NEA0229_01.002 OUTPUT 76
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17. CATEGORIES
  • F. Space - Time Kinetics, Coupled Neutronics - Hydrodynamics - Thermodynamics
  • Q. Materials.

Keywords: diffusion equations, slabs, xenon.