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首页> 外文期刊>Nuclear Technology >PROBABILITY AND CONSEQUENCES OF NUCLEAR CRITICALITY AT A GEOLOGIC REPOSITORY-Ⅰ: CONCEPTUAL OVERVIEW FOR SCREENING
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PROBABILITY AND CONSEQUENCES OF NUCLEAR CRITICALITY AT A GEOLOGIC REPOSITORY-Ⅰ: CONCEPTUAL OVERVIEW FOR SCREENING

机译：地质处置库中核临界的可能性和后果-Ⅰ：概念筛查概述

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摘要

This paper, Part Ⅰ of two companion papers, reviews concepts underlying the basis for evaluating the criticality scenario for an assessment of performance after closure of a geologic repository for radioactive waste. In the United States, either a low-probability or low-consequence rationale can be the basis of excluding criticality, using the usual assumptions that (a) the interplay between the probability and consequence is not significant and (b) the mean of the epistemic uncertainty of the probability and consequence provides a sufficient approximation. Furthermore, the rationale can be based on either qualitative or quantitative arguments. For those situations with quantitative arguments, this paper provides additional perspective on evaluating the criticality scenario by combining quantitative estimates of low probability and low consequence as a complementary cumulative distribution function. As a demonstration, the low probability and low consequence of the criticality scenario for the Waste Isolation Pilot Plant (a repository for defense transuranic element waste) is presented.
机译：本文是两篇配套论文的第I部分，回顾了一些概念，这些概念是评估关键情景的基础，该关键情景用于评估放射性废物地质处置库关闭后的性能。在美国，使用以下常见假设，即（a）概率与后果之间的相互作用不显着，以及（b）认知均值，低概率或低后果的基本原理都可以成为排除危险的基础。概率和结果的不确定性提供了足够的近似值。此外，基本原理可以基于定性或定量论证。对于那些带有定量论证的情况，本文通过结合低概率和低后果的定量估计作为补充的累积分布函数，提供了评估关键情景的其他观点。作为演示，介绍了废物隔离中试工厂（防御性超铀元素废物的储存库）的关键情景的低概率和低后果。

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