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The working group on the analysis and management of accidents (WGAMA): A historical review of major contributions
Progress in Nuclear Energy ( IF 2.7 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.pnucene.2020.103432
L.E. Herranz , D. Jacquemain , T. Nitheanandan , N. Sandberg , F. Barré , S. Bechta , K.-Y. Choi , F. D'Auria , R. Lee , H. Nakamura

Abstract The Working Group on the Analysis and Management of Accidents (WGAMA) was created on December 31st, 1999 to assess and strengthen the technical basis needed for the prevention, mitigation and management of potential accidents in NPP and to facilitate international convergence on safety issues and accident management analyses and strategies. WGAMA addresses reactor coolant system thermal-hydraulics, in-vessel behaviour of degraded cores and in-vessel protection, containment behaviour and containment protection, and fission product (FP) release, transport, deposition and retention, for both current and advanced reactors. As a result, WGAMA contributions in thermal-hydraulics, computational fluid-dynamics (CFD) and severe accidents along the first two decades of the 21st century have been outstanding and are summarized in this paper. Beyond any doubt, the Fukushima-Daiichi accident heavily impacted WGAMA activities and the substantial outcomes produced in the accident aftermath are neatly identified in the paper. Beyond specific events, most importantly, around 50 technical reports have become reference material in the different fields covered by the group and they are gathered altogether in the reference section of the paper; a common outstanding feature in most of these reports is the recommendations included for further research, some of which have eventually given rise to some of the projects conducted or underway within the OECD framework. Far from declining, ongoing WGAMA activities are numerous and a number of them is already planned to be launched in the near future; a short mention to them is also included in this paper.

中文翻译:

事故分析与管理工作组 (WGAMA):主要贡献的历史回顾

摘要 事故分析与管理工作组(WGAMA)成立于 1999 年 12 月 31 日,旨在评估和加强核电厂潜在事故的预防、缓解和管理所需的技术基础,并促进国际在安全问题和管理方面的融合。事故管理分析和策略。WGAMA 涉及反应堆冷却剂系统热工水力、退化堆芯的容器内行为和容器内保护、安全壳行为和安全壳保护以及裂变产物 (FP) 的释放、传输、沉积和保留,适用于当前和先进的反应堆。因此,WGAMA 在 21 世纪前 20 年在热工水力、计算流体动力学 (CFD) 和严重事故方面的贡献非常突出,并在本文中进行了总结。毫无疑问,福岛第一核电站事故严重影响了 WGAMA 的活动,本文清楚地指出了事故后果产生的实质性结果。除了特定的事件,最重要的是,大约 50 份技术报告已成为该小组所涵盖的不同领域的参考资料,并将它们全部收集在论文的参考部分中;大多数这些报告的一个共同突出特点是为进一步研究提出了建议,其中一些最终导致了一些在经合组织框架内进行或正在进行的项目。正在进行的 WGAMA 活动不仅没有减少,而且数量众多,其中一些已经计划在不久的将来启动;本文件中还简要提及了他们。福岛第一核电站事故严重影响了 WGAMA 的活动,该论文清楚地指出了事故后果产生的实质性结果。除了特定的事件,最重要的是,大约 50 份技术报告已成为该小组所涵盖的不同领域的参考资料,并将它们全部收集在论文的参考部分中;大多数这些报告的一个共同突出特点是为进一步研究提出了建议,其中一些最终导致了一些在经合组织框架内进行或正在进行的项目。正在进行的 WGAMA 活动不仅没有减少,而且数量众多,其中一些已经计划在不久的将来启动;本文件中还简要提及了他们。福岛第一核电站事故严重影响了 WGAMA 的活动,该论文清楚地指出了事故后果产生的实质性结果。除了特定的事件,最重要的是,大约 50 份技术报告已成为该小组所涵盖的不同领域的参考资料,并将它们全部收集在论文的参考部分中;大多数这些报告的一个共同突出特点是为进一步研究提出了建议,其中一些最终导致了一些在经合组织框架内进行或正在进行的项目。正在进行的 WGAMA 活动不仅没有减少,而且数量众多,其中一些已经计划在不久的将来启动;本文件中还简要提及了他们。
更新日期:2020-09-01
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