ESTS0608 RSAC-6.
RSAC-6, Gamma doses, inhalation and ingestion doses, fission products inventory after fission products release
NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHODS, TYPICAL RUNNING TIME, UNUSUAL FEATURES, STATUS, REFERENCES, HARDWARE REQUIREMENTS, LANGUAGE, SOFTWARE REQUIREMENTS, 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 |
|---|---|---|---|
| RSAC-6 | ESTS0608/01 | Tested | 17-JUN-2010 |
Machines used:
| Package ID | Orig. computer | Test computer |
|---|---|---|
| ESTS0608/01 | PC Windows | PC Windows |
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3. DESCRIPTION OF PROGRAM OR FUNCTION
RSAC-6 is the latest version of the program RSAC (Radiological Safety Analysis Computer Program). It calculates the consequences of a release of radionuclides to the atmosphere. Using a personal computer, a user can generate a fission product inventory; decay and in-grow the inventory during transport through processes, facilities, and the environment; model the downwind dispersion of the activity; and calculate doses to downwind individuals. Internal dose from the inhalation and ingestion pathways is calculated. External dose from ground surface and plume gamma pathways is calculated. New and exciting updates to the program include the ability to evaluate a release to an enclosed room, resuspension of deposited activity and evaluation of a release up to 1 meter from the release point. Enhanced tools are included for dry deposition, building wake, occupancy factors, respirable fraction, AMAD adjustment, updated and enhanced radionuclide inventory and inclusion of the dose-conversion factors from FOR 11 and 12.
RSAC-6 is the latest version of the program RSAC (Radiological Safety Analysis Computer Program). It calculates the consequences of a release of radionuclides to the atmosphere. Using a personal computer, a user can generate a fission product inventory; decay and in-grow the inventory during transport through processes, facilities, and the environment; model the downwind dispersion of the activity; and calculate doses to downwind individuals. Internal dose from the inhalation and ingestion pathways is calculated. External dose from ground surface and plume gamma pathways is calculated. New and exciting updates to the program include the ability to evaluate a release to an enclosed room, resuspension of deposited activity and evaluation of a release up to 1 meter from the release point. Enhanced tools are included for dry deposition, building wake, occupancy factors, respirable fraction, AMAD adjustment, updated and enhanced radionuclide inventory and inclusion of the dose-conversion factors from FOR 11 and 12.
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4. METHODS
RSAC6 calculates meteorological dispersion in the atmosphere using Gaussian plume diffusion for Pasquill-Gifford, Hilmeier-Gifford and Markee models. A unique capability is the ability to model Class F fumigation conditions, the meteorological condition that causes the highest ground level concentrations from an elevated release. Doses may be calculated for various pathways including inhalation, ingestion, ground surface, air immersion, water immersion pathways. Dose calculations may be made for either acute or chronic releases. Internal doses (inhalation and ingestion) are calculated using the ICRP-30 model with dose conversion factors from FOR 11. External factors are calculated using FOR 12.
RSAC6 calculates meteorological dispersion in the atmosphere using Gaussian plume diffusion for Pasquill-Gifford, Hilmeier-Gifford and Markee models. A unique capability is the ability to model Class F fumigation conditions, the meteorological condition that causes the highest ground level concentrations from an elevated release. Doses may be calculated for various pathways including inhalation, ingestion, ground surface, air immersion, water immersion pathways. Dose calculations may be made for either acute or chronic releases. Internal doses (inhalation and ingestion) are calculated using the ICRP-30 model with dose conversion factors from FOR 11. External factors are calculated using FOR 12.
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6. TYPICAL RUNNING TIME
Running time is case dependent. (e.g. PC-Windows98 Intel Pentium 1.2 GHz)
Test Description Runnig time
(sec.)
EXAMPLE1.OUT Simulated Reactor Operation 1.10E-01
EXAMPLE2.OUT Calculation of Inhalation Dose 2.20E-01
EXAMPLE3.OUT Ing.Dose Calculation from an Acute Release 1.10E-01
EXAMPLE4.OUT Ground Surface Dose Calculation 2.20E-01
EXAMPLE5.OUT Air Inmmersion Dose Calculation 1.10E-01
EXAMPLE6.OUT Fisty-Mile Rad. Dose Calc. for Chronic Rel. 1.10E-01
EXAMPLE7.OUT Comparison of Cloud Gamma Dose Models 1.10E-01
EXAMPLE8.OUT Hypothetical Criticality Accident 1.26E+00
EXAMPLE9.OUT Dose Calc. Changing Meteo. Conditions 5.50E-01
Running time is case dependent. (e.g. PC-Windows98 Intel Pentium 1.2 GHz)
Test Description Runnig time
(sec.)
EXAMPLE1.OUT Simulated Reactor Operation 1.10E-01
EXAMPLE2.OUT Calculation of Inhalation Dose 2.20E-01
EXAMPLE3.OUT Ing.Dose Calculation from an Acute Release 1.10E-01
EXAMPLE4.OUT Ground Surface Dose Calculation 2.20E-01
EXAMPLE5.OUT Air Inmmersion Dose Calculation 1.10E-01
EXAMPLE6.OUT Fisty-Mile Rad. Dose Calc. for Chronic Rel. 1.10E-01
EXAMPLE7.OUT Comparison of Cloud Gamma Dose Models 1.10E-01
EXAMPLE8.OUT Hypothetical Criticality Accident 1.26E+00
EXAMPLE9.OUT Dose Calc. Changing Meteo. Conditions 5.50E-01
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7. UNUSUAL FEATURES
RSAC6 calculates complete progeny in-growth and decay during all accident phases. The calculation of fission product inventories in particularly useful in the analysis of accidents where the short-lived radionuclides change rapidly as a function of decay time or accidents with criticality excursions. RSAC6 also has provisions for calculating release from an operating reactor. RSAC6 fission product calculations are valid primarily for high enriched fuels. Provision is also made of users to import fission product, actinide and activation product inventories calculated using other codes such as ORIGEN2 when desired.
RSAC6 calculates complete progeny in-growth and decay during all accident phases. The calculation of fission product inventories in particularly useful in the analysis of accidents where the short-lived radionuclides change rapidly as a function of decay time or accidents with criticality excursions. RSAC6 also has provisions for calculating release from an operating reactor. RSAC6 fission product calculations are valid primarily for high enriched fuels. Provision is also made of users to import fission product, actinide and activation product inventories calculated using other codes such as ORIGEN2 when desired.
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10. REFERENCES
- R.L. Coates and N.R. Horton:
RSAC - A Radiological Safety Analysis Computer Program
IDO-17151 (May 1966).
- L.C. Richardson:
Users Manual for FORTRAN Version of RSAC, A Radiological Safety
Analysis Computer Program
IDO-17261 (June 1968).
- R.L. Coates and N.R. Horton:
RSAC - A Radiological Safety Analysis Computer Program
IDO-17151 (May 1966).
- L.C. Richardson:
Users Manual for FORTRAN Version of RSAC, A Radiological Safety
Analysis Computer Program
IDO-17261 (June 1968).
ESTS0608/01, included references:
- D. R. Wenzel and B. J. Schrader:The Radiological Safety Analysis Computer Program (RSAC-6) - Users' Manual
(INEEL/EXT-01-00540, 2001)
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ESTS0608/01
Object LibraryEexcutable Module
Sample Problem Input
Output
User Guide
Text Library
Program Flow Diagram
Programmer Documentation
ReadMe File
Keywords: dose rates, earth atmosphere, fission products, radioactivity.