Proposal of a BEPU Methodology for Containment Safety Analysis

Bocanegra Melián, Rafael and Jiménez Varas, Gonzalo (2018). Proposal of a BEPU Methodology for Containment Safety Analysis. In: "Best Estimate Plus Uncertainty International Conference (BEPU 2018)", May 13-18, 2018, Lucca, Italy. pp. 1-16.

Description

Title: Proposal of a BEPU Methodology for Containment Safety Analysis
Author/s:
  • Bocanegra Melián, Rafael
  • Jiménez Varas, Gonzalo
Item Type: Presentation at Congress or Conference (Article)
Event Title: Best Estimate Plus Uncertainty International Conference (BEPU 2018)
Event Dates: May 13-18, 2018
Event Location: Lucca, Italy
Title of Book: Best Estimate Plus Uncertainty International Conference (BEPU 2018)
Date: 2018
Subjects:
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Energética
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Containment safety analyses are still performed using conservative assumptions due to the difficulties in modeling the phenomena associated, and/or to satisfy the regulatory bodies? requirements. Nevertheless, in order to obtain accurate predictions, realistic analyses have to be performed. In 1989, the U.S. NRC modified the licensing requirements allowing the use of realistic methods if uncertainties are identified and quantified, the so-called BEPU analyses. Therefore, a BEPU methodology specifically developed for containment analysis is proposed. Conservative assumptions are avoided by developing best estimate containment models. Uncertainties are quantified and propagated through the code in order to obtain the results accuracy. The proposed methodology is defined in a hierarchical structure, similar to the U.S. NRC Regulatory Guide 1203. It is divided in two main blocks; the first is related to the best estimate model setting; and the second to the uncertainty treatment.

More information

Item ID: 55420
DC Identifier: http://oa.upm.es/55420/
OAI Identifier: oai:oa.upm.es:55420
Official URL: http://www.nineeng.com/bepu/index.php/contact
Deposited by: Memoria Investigacion
Deposited on: 17 Jun 2019 14:46
Last Modified: 17 Jun 2019 14:46
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