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Experimental investigation on dryout heat flux of a particle debris bed with a downcomer = : Experimentelle Untersuchung der Trocknungswärmestromdichte eines Partikelschüttbettes mit einem Fallrohr

This paper presents the results of experimental investigation on dryout heat flux of a particulate debris bed. A series of experiments on the POMECO (POrous MEdia COolability) facility were performed for both homogeneous and stratified heated porous beds. The porous beds were made of different sand... 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. 118-125
Journal Title: Forschungs-Zentrum Karlsruhe, Wissenschaftliche Berichte, Technik und Umwelt
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ISSN: 0947-8620
Additional Keywords: DURCHGEHEN
GROESSTER-ANZUNEHMENDER-UNFALL
KERNENERGIE
KERNKRAFTWERK
KERNREAKTOR
KERNSCHMELZE
KORNGROESSE
KUEHLUNG
PARTIKEL
POROSITAET
SAND
SCHMELZE
SICHERHEITSTECHNIK
WAERMESTROMDICHTE
Notes: Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG
Copyright: (C) Alle Rechte beim Herausgeber
Physical Description: 8 Seiten, 1 Bild, 4 Tabellen, 6 Quellen
PPN (Catalogue-ID): WTI037445529
Note: WTI TEMA DB
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Internes Format
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245 0 0 |a Experimental investigation on dryout heat flux of a particle debris bed with a downcomer =  |b Experimentelle Untersuchung der Trocknungswärmestromdichte eines Partikelschüttbettes mit einem Fallrohr 
300 |a 8 Seiten, 1 Bild, 4 Tabellen, 6 Quellen 
500 |a Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG 
500 |a Copyright: (C) Alle Rechte beim Herausgeber 
520 |a This paper presents the results of experimental investigation on dryout heat flux of a particulate debris bed. A series of experiments on the POMECO (POrous MEdia COolability) facility were performed for both homogeneous and stratified heated porous beds. The porous beds were made of different sand particles. The porosity of particle bed was varied from 25 to 40 %, and the average particle size from 0.2 to 1 mm. Experimental results for the dryout heat flux of homogeneous beds with top flooding compare well with the predictions by Lipinski correlation. For the stratified particle beds, the fine particle layer resting on the top on another particle layer is found to dominate the dryout processes. The effect of a downcomer on the dryout heat flux was also investigated for both homogeneous and stratified particle beds. It was found that the downcomer can enhance the dryout heat flux from 50 to 350 %. 
653 4 |a WAERMESTROMDICHTE 
653 4 |a SAND 
653 4 |a POROSITAET 
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653 4 |a KERNENERGIE 
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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. 118-125  |q 6475<118-125  |x 0947-8620  |x 0947-8620 
912 |a GBV_WTI 
950 |a Wärmestromdichte  |a Sand  |a Schüttbett  |a Porosität  |a Partikel  |a Partikelgröße  |a Abkühlung  |a Kernreaktor  |a Kernenergie  |a Kernkraftwerk  |a GAU (größter anzunehmender Unfall)  |a Durchgehen  |a Schmelze  |a Sicherheitstechnik  |a Kernschmelze  |2 DE-601 
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