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COTELS project (3): ex-vessel debris cooling tests = : COTELS-Projekt (3): Ex-Kessel-Schüttbett-Kühlungsversuch

Test B/C in COTELS project was performed to investigate fuel coolant interaction (FCI) and moolten core concrete interaction (MCCI) under water injection onto molten corium. After 60 kg UO2 corium mixture was melted in electric melting furnace (EMF), the corium was fallen into concrete trap. The mol... Full description

Kongresse: OECD Workshop on Ex-Vessel Debris Coolability 1999 1999.11.15-1999.11.18 Karlsruhe, DE
OECD Workshop on Ex-Vessel Debris Coolability 1999.11.15-1999.11.18 Karlsruhe, DE
Contained in: Forschungs-Zentrum Karlsruhe, Wissenschaftliche Berichte, Technik und Umwelt Vol. 6475 (2000), p. 302-308
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ISSN: 0947-8620
Additional Keywords: BETON
DURCHGEHEN
FESTBETT
GROESSTER-ANZUNEHMENDER-UNFALL
KERNBRENNSTOFF
KERNENERGIE
KERNKRAFTWERK
KERNREAKTOR
KERNSCHMELZE
NICHTROSTENDER-STAHL
SCHMELZE
SICHERHEITSTECHNIK
URANOXID
WASSERKUEHLUNG
ZIRKONIUM
ZIRKONIUMOXID
Notes: Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG
Copyright: (C) Alle Rechte beim Herausgeber
Physical Description: 7 Seiten, 7 Bilder, 2 Tabellen, 5 Quellen
PPN (Catalogue-ID): WTI037808494
Note: WTI TEMA DB
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Internes Format
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520 |a Test B/C in COTELS project was performed to investigate fuel coolant interaction (FCI) and moolten core concrete interaction (MCCI) under water injection onto molten corium. After 60 kg UO2 corium mixture was melted in electric melting furnace (EMF), the corium was fallen into concrete trap. The molten corium in the trap was re-heated to simulate decay heat. When subcooled water was injected onto the molten debris, steam explosion was not observed. Debris was cooled about 20 minutes after water injection and MCCI was suppressed. This favourable cooling was attributed to the existence of remaining porosity inside corium due to simulation of falling process, water ingression via eroded concrete side wall clearance and channels, and the interruption of further concrete floor erosion due to the existence of pebble bed, decomposed from concrete, below the debris. 
653 4 |a KERNBRENNSTOFF 
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711 2 |a OECD Workshop on Ex-Vessel Debris Coolability  |n 1999  |d 1999.11.15-1999.11.18  |c Karlsruhe, DE 
711 2 |a OECD Workshop on Ex-Vessel Debris Coolability  |d 1999.11.15-1999.11.18  |c Karlsruhe, DE 
773 0 8 |i In  |t Forschungs-Zentrum Karlsruhe, Wissenschaftliche Berichte, Technik und Umwelt  |g Vol. 6475 (2000), p. 302-308  |q 6475<302-308  |x 0947-8620  |x 0947-8620 
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