Debris Impact on Emergency Coolant Recirculation

Workshop Proceedings, Albuquerque NM, USA, 25-27 February 2004

image of Debris Impact on Emergency Coolant Recirculation

This conference proceedings examines the most recent research and developments related to the impact of debris on emergency coolant recirculation.  Held in Albuquerque, New Mexico in February 2004, this proceedings had sessions on safety assessment and regulatory requirements, experimental work, analytical work, and industry solutions.  The proceedings present the papers presented as well as a summary of discussions that took place.





Containment Sump Channel Flow Modelling

Nuclear Energy Agency

In the event of a loss of coolant accident (LOCA) within containment of a pressurised water reactor (PWR) there is the potential for the generation of debris with the attendant concern of containment sump screen blockage. The debris, consisting piping or equipment insulation, protective coatings or paints, concrete dust or general containment housekeeping materials, may be transported to the containment sump during the recirculation phase of emergency core cooling system (ECCS) and containment spray system (CSS) operations. Unresolved Safety Issue (USI) A-43, “Containment emergency sump performance” had been ...


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