Comparative Analysis of Probabilistic Analysis and Deterministic Analysis by RESRAD Code

The decommissioning of nuclear facilities indicates that the site is finally released according to a limited or unlimited site reuse purpose. In this process, the assessment of exposure dose to decommissioning workers and nearby residents is essential. Based on MARSSIM, a widely used decommissioning...

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Bibliographic Details
Published inEnergies (Basel) Vol. 13; no. 8; p. 1983
Main Authors Park, Sang June, Byon, Jihyang, Ahn, Seokyoung
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.04.2020
Subjects
Comparative analysis
Decommissioning
deterministic analysis
dose assessment
Nuclear engineering
Nuclear facilities
Nuclear power plants
Occupational exposure
Onsite
Parameters
Probabilistic analysis
Radioisotopes
RESRAD
Sensitivity analysis
Studies
United States > US
South Korea
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Summary:The decommissioning of nuclear facilities indicates that the site is finally released according to a limited or unlimited site reuse purpose. In this process, the assessment of exposure dose to decommissioning workers and nearby residents is essential. Based on MARSSIM, a widely used decommissioning guideline in the United States, derivation of the exposure dose and derived concentration guideline level (DCGL) is mandatory using the probabilistic analysis of the RESRAD code. Here, DCGL is the radionuclide-specific concentration that satisfies the site release criteria. By applying the priority 1 parameter, which has the greatest effect on the dose, the dose is derived through deterministic and probabilistic analyses. The results were compared and analyzed. The purpose of this study was to provide a basic database that can be applied to the development of parameter lists and distributions suitable for the characteristics of nuclear facilities in South Korea. In addition, the process of deriving the dose by applying the deterministic and probabilistic analyses of RESRAD was assessed.
ISSN:1996-1073
1996-1073
DOI:10.3390/en13081983