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Drift-flux model in a sub-channel of rod bundle geometry
dc.contributor.author | Juliá Bolívar, José Enrique | |
dc.contributor.author | Hibiki, Takashi | |
dc.contributor.author | Ishii, M. | |
dc.contributor.author | Yun, Byong-Jo | |
dc.contributor.author | Park, Goon-Cherl | |
dc.date.accessioned | 2012-08-07T09:55:57Z | |
dc.date.available | 2012-08-07T09:55:57Z | |
dc.date.issued | 2009 | |
dc.identifier | http://dx.doi.org/10.1016/j.ijheatmasstransfer.2009.02.012 | |
dc.identifier.citation | International Journal of Heat and Mass Transfer, 52, 13-14, p. 3032-3041 | |
dc.identifier.issn | 179310 | |
dc.identifier.uri | http://hdl.handle.net/10234/43723 | |
dc.description.abstract | In view of the practical interest of the drift-flux model for two-phase flow analysis, the distribution parameter and drift velocity constitutive equations have been obtained for subcooled boiling flow in a sub-channel of rod bundle geometry. The constitutive equation of the distribution parameter for subcooled boiling flow in a sub-channel is obtained from the bubble-layer thickness model. In this derivation an existing constitutive equation for subcooled boiling flow in a round pipe is modified by taking account of the difference in the flow channel geometry between the sub-channel and round pipe. The constitutive equation of the drift velocity is proposed based on an existing correlation and considering the rod wall and sub-channel geometry effects. The prediction accuracy of the newly developed correlations has been checked against experimental data in a 3 × 3 rod bundle sub-channel, obtaining better predicting errors than the existing correlations most used in literature. © 2009 Elsevier Ltd. All rights reserved. | |
dc.language.iso | eng | |
dc.publisher | Elsevier | |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | * |
dc.subject | Drift velocity | |
dc.subject | Drift-flux model | |
dc.subject | Rod bundle | |
dc.subject | Sub-channel | |
dc.subject | Subcooled boiling flow | |
dc.subject | Void fraction | |
dc.title | Drift-flux model in a sub-channel of rod bundle geometry | |
dc.type | info:eu-repo/semantics/article | |
dc.identifier.doi | http://dx.doi.org/10.1016/j.ijheatmasstransfer.2009.02.012 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess |
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