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QUASAR: a methodology for quantification of uncertainties in severe-accident source terms

Conference · · Trans. Am. Nucl. Soc.; (United States)
OSTI ID:7124355
The radiological consequences of severe nuclear reactor accidents are governed, in large part, by the magnitude and characteristics of the radioactivity release, or radiological source term, from the plant. Over the last decade, substantial development and progress have been made in the state of knowledge concerning the nature of severe accidents and associated fission product release and transport. As part of this continuing effort, the US Nuclear Regulatory Commission has sponsored the development of the source term code package (STCP), which models core degradation, fission product release from the damage fuel, and the subsequent migration of the fission products from the primary system to the containment and finally the environment. The purpose of the present paper is to describe a methodology that was developed as part of the Quantification and Uncertainty Analysis of Source Terms for Severe Accidents in Light Water Reactors (QUASAR) program at Brookhaven National Laboratory. QUASAR is a large program that will apply the methodology described in this paper to severe accident sequences in light water reactors using the STCP.
Research Organization:
Brookhaven National Lab., Upton, NY
OSTI ID:
7124355
Report Number(s):
CONF-861102-
Conference Information:
Journal Name: Trans. Am. Nucl. Soc.; (United States) Journal Volume: 53
Country of Publication:
United States
Language:
English