Technical Brief

A Review of Safety Analysis Philosophies for Nuclear Reactors

[+] Author and Article Information
A. S. Schneider

NRCN, P.O. Box 9001, Be'er-Sheva 84190, Israel

N. Yair

NRCN, P.O. Box 9001, Be'er-Sheva 84190, Israel

1Corresponding author.

ASME doi:10.1115/1.4035565 History: Received July 18, 2016; Revised December 17, 2016


Various questions can be examined when discussing safety in general. Among these some key issues are the attitude towards risk and its acceptance, the ways of identifying, analyzing and quantifying risks, and societal factors and public opinion towards risks. The identification and quantification of risks are central in the regulatory framework and decision making and will be the focus of this article. Various approaches have been used for safety analysis over the years. This paper will survey some of the central attitudes in the nuclear reactor regulation philosophy and discuss the historical background surrounding them. Among these we mention the defense-in-depth approach, the design-basis-accident (DBA) and beyond-design-basis-accident (BDBA) analyses and discuss the rather subjective nature of their associated decision making.

Copyright (c) 2016 by ASME
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