Debris Impact on Emergency Coolant Recirculation Workshop Proceedings, Albuquerque NM, USA, 25-27 February 2004: Numerical Investigations for Insulation Debris Transport Phenomena in Water Flow

Author： OECD Nuclear Energy Agency  

Publisher： OECD Publishing

ISSN： 1608-0262

Source： SourceOECD Nuclear Energy, Vol.2004, Iss.15, 2004-10, pp. : 763-797

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Abstract

The investigation of insulation debris generation, transport and sedimentation gains importance regarding the reactor safety research for PWR and BWR considering the long term behaviour of emergency core coolant systems during all types of LOCA. The insulation debris released near the break during LOCA consists of a mixture of very different particles concerning size, shape, consistence and other properties. Some fraction of the released insulation debris will be transported into the reactor sump where it may affect emergency core cooling. Open questions of generic interest are e.g. the sedimentation of the insulation debris in a water pool, possible resuspension, transport in ...

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