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ISSN Печать: 1091-028X
ISSN Онлайн: 1934-0508
Indexed in
Numerical Study of the Effects of Geometric Dimensions on Liquid-Vapor Phase Change and Free Convection in a Rectangular Porous Cavity
Краткое описание
By using an enthalpic method (two-phase mixture model), we have studied numerically liquid-vapor phase change with free convection in a rectangular porous cavity heated from below, cooled from above, and initially saturated with liquid phase. A finite-volume method is used for the numerical resolution of the volumetric enthalpy and pressure equations. Results giving evolution of temperature, velocities of the liquid and vapor, and evaporated volume are presented and analyzed. Parametric studies to assess the effects of aspect ratio of cavity are carried out. Special attention is paid to studying the complex interaction between free convection and liquid-vapor phase-change intensity.
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Goldstein R.J., Ibele W.E., Patankar S.V., Simon T.W., Kuehn T.H., Strykowski P.J., Tamma K.K., Heberlein J.V.R., Davidson J.H., Bischof J., Kulacki F.A., Kortshagen U., Garrick S., Srinivasan V., Ghosh K., Mittal R., Heat transfer—A review of 2005 literature, International Journal of Heat and Mass Transfer, 53, 21-22, 2010. Crossref
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Nasrallah Sassi, Prat Marc, A Review of Modelling Approaches to Heat and Mass Transfers in Porous Wicks, in Heat Pipes and Solid Sorption Transformations, 2013. Crossref
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Lindner Franz, Pfitzner Michael, Mundt Christian, Multiphase, Multicomponent Flow in Porous Media with Local Thermal Non-equilibrium in a Multiphase Mixture Model, Transport in Porous Media, 112, 2, 2016. Crossref
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Nield Donald A., Bejan Adrian, Convection with Change of Phase, in Convection in Porous Media, 2017. Crossref
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Alomar Omar Rafae, Mohammed Rafie Rushdy, Mohammed Karam Hashim, Grądziel S., Łopata S., Sobota T., Zima W., Numerical investigation of boiling and forced convection heat transfer in inclined porous enclosure using modified enthalpy formulation, MATEC Web of Conferences, 240, 2018. Crossref
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Alomar Omar Rafae, Numerical investigation of two-phase flow in a horizontal porous evaporator with localised heating using non-Darcian flow and two equations model, Heat and Mass Transfer, 56, 4, 2020. Crossref
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Nield Donald A., Bejan Adrian, Convection with Change of Phase, in Convection in Porous Media, 2013. Crossref
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Alomar Omar Rafae, Hamdoon Omar Mohammad, Salim Badran Mohammed, Analysis of two-phase flow in a double-pipe heat exchanger filled with porous media, International Journal of Heat and Mass Transfer, 156, 2020. Crossref
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Alomar Omar Rafae, Transient behaviour of heat transfer with complete evaporation process in Porous Channel with localised heating using non-Darcian flow and LTNE model, Heat and Mass Transfer, 57, 12, 2021. Crossref
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Alomar Omar Rafae, Aslan Sami R., Zaki Farah G., Modelling and simulation of two-phase flow inside porous pipe evaporator using Cu-Water nano-fluid, International Journal of Thermal Sciences, 175, 2022. Crossref