Computer Programs
NEA-1130 AIRGAMMA.
last modified: 05-OCT-1989 | catalog | categories | new | search |

NEA-1130 AIRGAMMA.

AIRGAMMA, External Gamma-Ray Exposure from Radioactive Cloud

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1. NAME OR DESIGNATION OF PROGRAM:  AIRGAMMA.
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2. COMPUTERS
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Program name Package id Status Status date
AIRGAMMA NEA-1130/01 Tested 05-OCT-1989

Machines used:

Package ID Orig. computer Test computer
NEA-1130/01 FACOM M-380 IBM 3083
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3. DESCRIPTION OF PROGRAM OR FUNCTION

AIRGAMMA calculates quickly the external exposure to gamma rays from a radioactive cloud.
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4. METHOD OF SOLUTION

The external exposure is calculated by interpolating the normalized doses providing on the basis of the Gaussian plume model.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  Memory requirement is 30 Kbytes.
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6. TYPICAL RUNNING TIME

About 1.6 seconds are required to calculate the sample case on FACOM-M380.
NEA-1130/01
NEA-DB ran the test cases included in this package on an IBM 3083 computer. The following CPU times (in seconds) were required: 1.3 (case 1); 26.6 (case 2); 169.5 (case 3).
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS:
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9. STATUS
Package ID Status date Status
NEA-1130/01 05-OCT-1989 Tested at NEADB
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10. REFERENCES:
NEA-1130/01, included references:
- A. Hidaka and T. Iijima:
  AIRGAMMA -  A Computer Code for Quick Assessment of the Cloudshine
  Doses due to Accidental Releases of Radioactive Materials.
  JW 182-1 & 182-2 (1985) (in Japanese)
- User's Manual for the AIRGAMMA Computer Code
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11. MACHINE REQUIREMENTS

The following Hardware components are required:
              Card reader for input
              Line printer for output
Main storage: 700 Kbytes on FACOM-M380.
NEA-1130/01
To run the test cases on IBM 3083, 656K bytes of main storage are required.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-1130/01 FORTRAN-IV
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  FACOM OSIV /
MSP20.
NEA-1130/01
MVS/XA (IBM 3083).
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

          Akihide Hidaka and Tshinori Iijima
          Environmental Evaluation Laboratory
          Japan Atomic Energy Research Institute
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16. MATERIAL AVAILABLE
NEA-1130/01
File name File description Records
NEA1130_01.001 Information file 132
NEA1130_01.002 Fortran source for creating binary library 12
NEA1130_01.003 Character image library data 24360
NEA1130_01.004 AIRGAMMA Fortran source 708
NEA1130_01.005 Assembler source of DATE and TIME routines 145
NEA1130_01.006 Sample input (Case 1) 60
NEA1130_01.007 Sample input (Case 2) 60
NEA1130_01.008 Sample input (Case 3) 60
NEA1130_01.009 Sample output (Case 1) 2011
NEA1130_01.010 Sample output (Case 2) 2907
NEA1130_01.011 Sample output (Case 3) 2235
NEA1130_01.012 JCL used at Data Bank 21
NEA1130_01.013 Author's sample output (Case 1) 306
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17. CATEGORIES
  • G. Radiological Safety, Hazard and Accident Analysis

Keywords: gamma radiation, plumes, radioactive release.