NEA-1306 LSHINSE.
LSHINSE, Air Scattering Neutron and Gamma Doserates for Complex Shielding Geometry
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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| Program name | Package id | Status | Status date |
|---|---|---|---|
| LSHINSE | NEA-1306/01 | Tested | 11-MAR-1991 |
Machines used:
| Package ID | Orig. computer | Test computer |
|---|---|---|
| NEA-1306/01 | IBM PC | IBM PC |
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3. DESCRIPTION OF PROGRAM OR FUNCTION
The program LSHINSE is used to calculate the flux and the dose rate caused by gamma radiation emanating from a point source and being scattered in surrounding air.
The program considers all forms of single scattering. Multiple scattering is taken into account in an approximate way by use of buildup factors.
The program LSHINSE is used to calculate the flux and the dose rate caused by gamma radiation emanating from a point source and being scattered in surrounding air.
The program considers all forms of single scattering. Multiple scattering is taken into account in an approximate way by use of buildup factors.
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4. METHOD OF SOLUTION
The program LSHINSE solves the equations for skyshine by use of Simpson integration. The integration limits are chosen such that the partial shielding is approximated by rectangular walls around the source.
In addition, the attenuation of the primary radiation by a room ceiling can be calculated for several materials. By giving the height of the ceiling, the scattering in the air of the room can be calculated. By specifying energy groups the spectrum of the scattered radiation can be obtained. Valid energy range is 0.1 - 0.2 MeV, where the lower limit is due to uncertainties in the buildup factors.
The program LSHINSE solves the equations for skyshine by use of Simpson integration. The integration limits are chosen such that the partial shielding is approximated by rectangular walls around the source.
In addition, the attenuation of the primary radiation by a room ceiling can be calculated for several materials. By giving the height of the ceiling, the scattering in the air of the room can be calculated. By specifying energy groups the spectrum of the scattered radiation can be obtained. Valid energy range is 0.1 - 0.2 MeV, where the lower limit is due to uncertainties in the buildup factors.
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10. REFERENCES
- K.H. Lindackers:
Numerical Shielding Calculations
Thiemig Verlag Muenchen (1962) (in German).
- Gemeinsames Ministerialblatt:
(Bulletin of the Ministry of the Interior)
Der Bundesminister des Inneren
Bonn (1979) (in German).
- R.E. Lunch et al.:
A Monte-Carlo Calculation of Air-Scattered Gamma Ray
ORNL-2292.
- F. Rohloff:
Calculation of Dose Rates of Air-Scattered Neutrons and
Gamma Rays from Complex Shielding Geometries
KfA Juel-1626 (1979) (in German).
- K.H. Lindackers:
Numerical Shielding Calculations
Thiemig Verlag Muenchen (1962) (in German).
- Gemeinsames Ministerialblatt:
(Bulletin of the Ministry of the Interior)
Der Bundesminister des Inneren
Bonn (1979) (in German).
- R.E. Lunch et al.:
A Monte-Carlo Calculation of Air-Scattered Gamma Ray
ORNL-2292.
- F. Rohloff:
Calculation of Dose Rates of Air-Scattered Neutrons and
Gamma Rays from Complex Shielding Geometries
KfA Juel-1626 (1979) (in German).
NEA-1306/01, included references:
- A. Baran, M. Gruen and R. Leicht:Program LSHINSE for the Calculation of Flux and Dose Rate from the
Scattering of Gamma Radiation in Air
NUKEM Report (November 6, 1989).
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NEA-1306/01
The test cases ran at NEADB on a 80386 PC ith 8087 co-processor.[ top ]
NEA-1306/01
MSDOS 4.01 with MicroSoft FORTRAN 5.0 compiler.[ top ]
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NEA-1306/01
| File name | File description | Records |
|---|---|---|
| NEA1306_01.001 | Information file | 79 |
| NEA1306_01.002 | LSHINSE main Fortran source program | 537 |
| NEA1306_01.003 | LSHINSE1 sample problem 1 input data | 6 |
| NEA1306_01.004 | LSHINSE2 sample problem 2 input data | 6 |
| NEA1306_01.005 | LSHINSE1 sample problem 1 output data | 87 |
| NEA1306_01.006 | LSHINSE2 sample problem 2 output data | 85 |
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- G. Radiological Safety, Hazard and Accident Analysis
- J. Gamma Heating and Shield Design
Keywords: air scattering, buildup, dose rates, shielding.