State-of-the-Art Reactor Consequence Analyses Project. Volume 1: Peach Bottom Integrated Analysis.

摘要

The evaluation of accident phenomena and the offsite consequences of severe reactor accidents has been the subject of considerable research by the U.S. Nuclear Regulatory Commission (NRC) over the last several decades. As a consequence of this research focus, analyses of severe accidents at nuclear power reactors are more detailed, integrated, and realistic than at any time in the past. A desire to leverage this capability to address conservative aspects of previous reactor accident analysis efforts was a major motivating factor in the genesis of the State-of-the-Art Reactor Consequence Analysis (SOARCA) project. By applying modern analysis tools and techniques, the SOARCA project developed a body of knowledge regarding the realistic outcomes of severe reactor accidents. To accomplish this objective, the SOARCA project used integrated modeling of accident progression and offsite consequences using both state-of-the-art computational analysis tools and best modeling practices drawn from the collective wisdom of the severe accident analysis community. This study focused on providing a realistic evaluation of accident progression, source term, and offsite consequences for the Peach Bottom Nuclear Power Station. By using the most current emergency preparedness practices, plant capabilities, and best available modeling, these analyses are more detailed, integrated, and realistic than past analyses. These analyses also consider all mitigative measures, contributing to a more realistic evaluation.