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Light Water Reactor (LWR) Safety
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
2006 (English)In: Nuclear Engineering and Technology, ISSN 1738-5733, Vol. 38, no 8, 697-732 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, a historical review of the developments in the safety of LWR power plants is presented. The paper reviewsthe developments prior to the TMI-2 accident, i.e. the concept of the defense in depth, the design basis, the large LOCA technicalcontroversies and the LWR safety research programs. The TMI-2 accident, which became a turning point in the history of thedevelopment of nuclear power is described briefly. The Chernobyl accident, which terrified the world and almost completelycurtailed the development of nuclear power is also described briefly. The great international effort of research in the LWRdesign-base and severe accidents, which was, respectively, conducted prior to and following the TMI-2 and Chernobyl accidentsis described next. We conclude that with the knowledge gained and the improvements in plant organisation/management andin the training of the staff at the presently-installed nuclear power stations, the LWR plants have achieved very high standardsof safety and performance. The Generation 3 + LWR power plants, next to be installed, may claim to have reached the goalof assuring the safety of the public to a very large extent.This review is based on the historical developments in LWR safety that occurred primarily in USA, however, they are validfor the rest of the Western World. This review can not do justice to the many many fine contributions that have been madeover the last fifty years to the cause of LWR safety. We apologize if we have not mentioned them. We also apologize for notproviding references to many of the fine investigations, which have contributed towards LWR safety earning the conclusionsthat we describe just above.

Place, publisher, year, edition, pages
2006. Vol. 38, no 8, 697-732 p.
Keyword [en]
LWR Safety, TMI-2 Accident, Chernobyl Accident, Design Basis Accidents, Severe Accidents, Presently-Installed LWR Power Plants, New LWR Power Plants
National Category
Energy Engineering
URN: urn:nbn:se:kth:diva-53524OAI: diva2:470245
QC 20120103Available from: 2011-12-28 Created: 2011-12-28 Last updated: 2012-01-03Bibliographically approved

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Sehgal, Balraj
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