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Severe Accident Mitigation through Improvements in Filtered Containment Vent Systems and Containment Cooling Strategies for Water Cooled Reactors

Proceedings of a Technical Meeting on Severe Accident Mitigation through Improvements in Filtered Containment Venting for Water Cooled Reactors Held in Vienna, Austria, 31 August–3 September 2015

IAEA TECDOC No. 1812
English IAEA-TECDOC-1812 978-92-0-153817-8
119 18.00 2017

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Description

One of the most important lessons from the accident at the Fukushima Daiichi nuclear power plant is that a reliable containment venting system can be crucial for effective accident management during severe accidents, especially for smaller volume containments in relation to the rated nuclear power. Containment venting can enhance the capability to maintain core cooling and containment integrity as well as reduce uncontrolled radioactive releases to the environment if the venting system has a filtration capacity. In general, a filtered containment vent system increases the flexibility of plant personnel in coping with unforeseen events. This publication provides the overview of the current status of related activities with the goal to share information between Member States on actions, upgrades, and new technologies pertaining to containment cooling and venting.

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Keywords

Reactor Technology, Nuclear Power Plants, Accidents, Prevention, Nuclear Reactor Accidents, Water Cooled Reactors, Mitigation, Containment, Venting, Fukushima Daiichi Accident, Proceedings, Accident Management, Radioactive Releases, Filtration, Plant Personnel, Member States, Filtered Containment, FCVSs, Core Damage, Reactor Design, Strategies, Long Term Containment, Cooling, Hydrogen Combustion

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