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Safety Analysis Results of Representative DEC Accidental Transients for the ALFRED Reactor
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2013 (English)Conference paper, Published paper (Refereed)
Abstract [en]

The conceptual design of the Advanced Lead Fast Reactor European Demonstrator (ALFRED) is under development within the LEADER project to meet the safety objectives of Gen IV nuclear energy systems. This paper presents the main results of the safety analysis for beyond design basis conditions, namely design extension conditions (DEC), which include the failure of prevention and mitigation systems, like the reactor scram in the so called unprotected transients. The main objective of this analysis is to evaluate the impact of the core and plant design features on the intrinsic safety behaviour of the ALFRED reactor. Several computer codes: SIM LFR, RELAP5, CATHARE, SPECTRA and TRACE are applied to evaluate the consequences of representative unprotected accident scenarios such as Loss of Flow, Loss of Heat Sink and Reactivity initiated accidents. Additionally, the consequences of steam generator tube rupture and partial sub assembly flow blockage events are assessed by means of appropriate fluid dynamic codes. 

Place, publisher, year, edition, pages
2013.
National Category
Energy Engineering
Research subject
Energy Technology
Identifiers
URN: urn:nbn:se:kth:diva-165397OAI: oai:DiVA.org:kth-165397DiVA: diva2:808235
Conference
International Conference on Fast Reactors and Related Fuel Cycles: Safe Technologies and Sustainable Scenarios (FR13)
Note

QC 20150602

Available from: 2015-04-27 Created: 2015-04-27 Last updated: 2015-06-02Bibliographically approved

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Kudinov, PavelJeltsov, Marti

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