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Stabilization and termination of severe accidents in LWRs

机译:稳定和终止轻水堆中的严重事故

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摘要

The last 20 years of research on severe accident safety for light water reactors (LWRs) has resolved a number of issues. However, the issue of melt/debris coolability is still unresolved. At stake is the stabilization and termination of a severe accident, if ever it would occur. The stabilization and termination can be established only through the coolability of the melt or the particulate debris, which are found in-vessel, or ex-vessel, depending upon the extent of the progression of a postulated accident. This paper will review the state of the art of coolability during a severe accident for the current light water reactors (LWRs). It will also review whether the accident management actions will be effective in terminating a postulated severe accident. The attention paid to the stabilization and coolability in future LWRs will be discussed and the design solutions will be evaluated.
机译:轻水反应堆(LWR)的严重事故安全性的最近20年研究解决了许多问题。但是,熔体/碎片冷却性的问题仍未解决。重大事故的稳定和终止(如果有的话)至关重要。取决于假定的事故发展的程度,只能通过在船上或船外发现的熔体或颗粒状碎屑的可冷却性来建立稳定和终止状态。本文将回顾当前轻水反应堆(LWR)在严重事故期间的可冷却性技术水平。它还将审查事故管理措施对于终止假定的严重事故是否有效。将讨论对未来轻水堆的稳定性和可冷却性的关注,并对设计解决方案进行评估。

著录项

  • 来源
    《Nuclear Engineering and Design》 |2006年第21期|p.1941-1952|共12页
  • 作者

    Bal Raj Sehgal;

  • 作者单位

    Nuclear Power Safety Division (NPS), Royal Institute of Technology (KTH), SE-10044 Stockholm, Sweden;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 原子能技术;
  • 关键词

  • 入库时间 2022-08-18 00:46:58

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