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Multiphase Science and Technology

Erscheint 4 Ausgaben pro Jahr

ISSN Druckformat: 0276-1459

ISSN Online: 1943-6181

SJR: 0.144 SNIP: 0.256 CiteScore™:: 1.1 H-Index: 24

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CFD MODELING OF BOILING ANNULAR-MIST FLOW FOR DRYOUT INVESTIGATIONS

Volumen 23, Ausgabe 2-4, 2011, pp. 223-251
DOI: 10.1615/MultScienTechn.v23.i2-4.50
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ABSTRAKT

This paper presents applications of computational fluid dynamics (CFD) to modeling of two-phase annular-mist flows with evaporating liquid films. This type of two-phase flow exists in boiling channels prior to the onset of dryout. Annular-mist flows have a very complex structure since they contain liquid and vapor, both as the continuous and the dispersed phase. Due to this feature, both the Eulerian-Eulerian as well as the Eulerian-Lagrangian approaches are often used to model such flows. The two approaches, with pertinent conservation equations and closure relationships, are reviewed in this paper.

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