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Heat and Mass Transfer in Severe Nuclear Reactor Accidents. Proceedings of the International Symposium
May, 22-26, 1995 , Kusadasi, Turkey

DOI: 10.1615/ICHMT.1995.RadTransfProcHeatMassTransfSevNuclReactAcc


ISBN Print: 978-1-56700-059-7

FEATURES OF RBMK REACTORS DURING SEVERE ACCIDENTS AND RELATED ASSESSMENT TECHNIQUES

DOI: 10.1615/ICHMT.1995.RadTransfProcHeatMassTransfSevNuclReactAcc.50
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ABSTRACT

Key features that affect the progression of severe accidents in RBMK reactors are described. Estimates of plant responses are presented for severe accidents initiated by a positive reactivity insertion,: a loss of electrical power, and a loss of heat transport circuit integrity. Existing and potential measures to mitigate the severe accidents are discussed.
It is noted that Probabilistic Risk Assessment techniques and criteria established for Western Light Water Reactors may not be appropriate for the channel-type RBMK reactors. Severe accident issues in RBMK are related to developing preventive and mitigation measures which make effective use of the operating experience as well as the knowledge gained from international programs.

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