Heat up and failure of BWR upper internals during a severe accident

•A higher fidelity model of the BWR upper internals was developed for MELCOR.•The upper internals are predicted to heat up and relocate during an accident.•Oxidation and relocation of debris impacts the subsequent accident progression.•The results are compared to and consistent with the limited past...

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Veröffentlicht in:	Nuclear engineering and design 2017-04, Vol.314 (C), p.293-306
1. Verfasser:	Robb, K.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accidents Boiling Boiling water reactors BWR Driers Exothermic reactions Flow paths Furuncles Gases Heat transfer Historical account Mechanical loading MELCOR Nuclear energy Oxidation Reactors Relocation Separators Severe accident SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS Stainless steel Stainless steels Steam Structural integrity Thermal radiation Upper internals Zirconium
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