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Stabilization and termination of severe accidents in LWRs
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
2006 (English)In: Nuclear Engineering and Design, ISSN 0029-5493, E-ISSN 1872-759X, Vol. 236, no 19-21, 1941-1952 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2006. Vol. 236, no 19-21, 1941-1952 p.
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-37614DOI: 10.1016/j.nucengdes.2006.03.040ISI: 000240074100003ScopusID: 2-s2.0-33746635466OAI: diva2:434480
Available from: 2011-08-15 Created: 2011-08-15 Last updated: 2011-08-15Bibliographically approved

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Sehgal, Bal Raj
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