La récupération du corium hors cuve

Cognet, G.; Seiler, Jean-Marie; Szabo, I.; Latché, Jean-Claude; Spindler, B.; Humbert, J.

doi:10.1051/rgn/19971038

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Introduction1

Severe Accidents In a Nuclear Power Plant1

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Cited by 6 publications

(2 citation statements)

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“…The French Atomic Energy Commission (CEA) has launched an R&D programme aimed at providing the tools for improving the mastering of severe accidents. The improved knowledge of the corium behaviour (mainly a UO 2 -ZrO 2 mixture), which could form from the melting of a nuclear reactor, is crucial to mastering this kind of severe accident [1,2].…”

Section: Introductionmentioning

confidence: 99%

The UO2–ZrO2 system at high temperature (T>2000K): importance of the meta-stable phases under severe accident conditions

Piluso

Trillon

Journeau

2005

Journal of Nuclear Materials

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Section: Introductionmentioning

confidence: 99%

The UO2–ZrO2 system at high temperature (T>2000K): importance of the meta-stable phases under severe accident conditions

Piluso

Trillon

Journeau

2005

Journal of Nuclear Materials

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“…In this context, the French Atomic Energy Commission (CEA) has been pursuing a large R&D programme on nuclear severe accidents for many years [1][2][3]. An understanding of the corium behavior in the various phases envisioned for severe accidents is a key aspect required for improving power plant safety.…”

Section: Severe Accidents In a Nuclear Power Plantmentioning

confidence: 99%

Material Effect and Steam Explosion at High Temperature (T > 2300 K)

2005

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In the frame of nuclear power plant safety, the interaction of molten corium (mixture of materials coming from a power plant) with water can generate dynamic loading of the surrounding structures. This phenomenon is called the steam explosion. Many experiments have been performed in the KRO-TOS facility with simulation materials (Al 2 O 3 ) and prototypical materials (U,Zr)O 2 , and different behaviors attributed to a 'material effect' have been observed. Alumina melts produced spontaneous energetic steam explosions, whereas explosions with corium melts (80% UO 2 -20% ZrO 2 ) must be triggered and are less energetic. These differences may be partly attributed to the formation of meta-stable gamma alumina and the ability of liquid alumina to dissolve part of the water, acting like an internal trigger. These results mean that alumina is probably not an adequate simulation of the corium for steam explosion.

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The simulation of melt spreading with THEMA code

Spindler

Veteau

2006

Nuclear Engineering and Design

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La récupération du corium hors cuve

Cited by 6 publications

References 0 publications

The UO2–ZrO2 system at high temperature (T>2000K): importance of the meta-stable phases under severe accident conditions

The UO2–ZrO2 system at high temperature (T>2000K): importance of the meta-stable phases under severe accident conditions

Material Effect and Steam Explosion at High Temperature (T > 2300 K)

The simulation of melt spreading with THEMA code

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