Justification for change in AXAIR dispersion coefficients

Technical Report · Mon Jan 31 23:00:00 EST 1994

DOI:https://doi.org/10.2172/10132285· OSTI ID:10132285

Simpkins, A A

AXAIR is the primary dose assessment code used at the Savannah River Site (SRS) to predict doses following hypothetical releases of relatively short durations. The atmospheric dispersion coefficients currently used in AXAIR are analytical expressions developed to fit the curves in the Turner Workbook as referred to in USNRC Regulatory Guide 1.145. This report explores the ramifications and benefits of changing the dispersion coefficients to a combination of Pasquill`s lateral dispersion coefficients and Briggs` vertical dispersion coefficients. The differences in the dispersion coefficients have a minor effect on the relative air concentrations for stability classes A--D, but a significant difference is seen for classes E, F, and G.

• Research Organization: Westinghouse Savannah River Co., Aiken, SC (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC09-89SR18035
• OSTI ID: 10132285
• Report Number(s): WSRC-RP--94-96; ON: DE94007968
• Country of Publication: United States
• Language: English

Related Subjects

053002
054000
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
560101
61 RADIATION PROTECTION AND DOSIMETRY
A CODES
CONTAMINATION
DOSIMETRY AND MONITORING
ENVIRONMENTAL TRANSPORT
EXPERIMENTAL DATA
FORECASTING
HEALTH AND SAFETY
RADIATION DOSES
RADIATION MONITORING
RADIOACTIVE EFFLUENTS
RADIOECOLOGICAL CONCENTRATION
SAVANNAH RIVER PLANT