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Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-12340
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dc.contributor.authorLe, Kieu Hiep-
dc.contributor.authorKharaghani, Abdolreza-
dc.contributor.authorKirsch, Christoph-
dc.contributor.authorTsotsas, Evangelos-
dc.date.accessioned2018-10-30T14:58:57Z-
dc.date.available2018-10-30T14:58:57Z-
dc.date.issued2016-
dc.identifier.issn0169-3913de_CH
dc.identifier.issn1573-1634de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/12340-
dc.descriptionErworben im Rahmen der Schweizer Nationallizenzen (http://www.nationallizenzen.ch)de_CH
dc.description.abstractIn this work, a two-dimensional pore network model is developed to study the heat and mass transfer inside a capillary porous wick with opposite replenishment in the dry-out regime. The mass flow rate in each throat of the pore network is computed according to the Hagen-Poiseuille law, and the heat flux is calculated based on Fourier’s law with an effective local thermal conductivity. By coupling the heat and the mass transfer, a numerical method is devised to determine the evolution of the liquid-vapor interface. The model is verified by comparing the effective heat transfer coefficient versus heat load with experimental observations. For increasing heat load, an inflation/deflation of the vapor pocket is observed. The influences of microstructural properties on the vapor pocket pattern and on the effective heat transfer coefficient are discussed: A porous wick with a non-uniform or bimodal pore size distribution results in a larger heat transfer coefficient compared to a porous wick with a uniform pore size distribution. The heat and mass transfer efficiency of a porous wick comprised of two connected regions of small and large pores is also examined. The simulation results indicate that the introduction of a coarse layer with a suitable thickness strongly enhances the heat transfer coefficient.de_CH
dc.language.isoende_CH
dc.publisherSpringerde_CH
dc.relation.ispartofTransport in Porous Mediade_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc530: Physikde_CH
dc.titlePore network simulations of heat and mass transfer inside an unsaturated capillary porous wick in the dry-out regimede_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
dc.identifier.doi10.1007/s11242-016-0737-4de_CH
dc.identifier.doi10.21256/zhaw-12340-
zhaw.funding.euNode_CH
zhaw.issue3de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end648de_CH
zhaw.pages.start623de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume114de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
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Le, K. H., Kharaghani, A., Kirsch, C., & Tsotsas, E. (2016). Pore network simulations of heat and mass transfer inside an unsaturated capillary porous wick in the dry-out regime. Transport in Porous Media, 114(3), 623–648. https://doi.org/10.1007/s11242-016-0737-4
Le, K.H. et al. (2016) ‘Pore network simulations of heat and mass transfer inside an unsaturated capillary porous wick in the dry-out regime’, Transport in Porous Media, 114(3), pp. 623–648. Available at: https://doi.org/10.1007/s11242-016-0737-4.
K. H. Le, A. Kharaghani, C. Kirsch, and E. Tsotsas, “Pore network simulations of heat and mass transfer inside an unsaturated capillary porous wick in the dry-out regime,” Transport in Porous Media, vol. 114, no. 3, pp. 623–648, 2016, doi: 10.1007/s11242-016-0737-4.
LE, Kieu Hiep, Abdolreza KHARAGHANI, Christoph KIRSCH und Evangelos TSOTSAS, 2016. Pore network simulations of heat and mass transfer inside an unsaturated capillary porous wick in the dry-out regime. Transport in Porous Media. 2016. Bd. 114, Nr. 3, S. 623–648. DOI 10.1007/s11242-016-0737-4
Le, Kieu Hiep, Abdolreza Kharaghani, Christoph Kirsch, and Evangelos Tsotsas. 2016. “Pore Network Simulations of Heat and Mass Transfer inside an Unsaturated Capillary Porous Wick in the Dry-out Regime.” Transport in Porous Media 114 (3): 623–48. https://doi.org/10.1007/s11242-016-0737-4.
Le, Kieu Hiep, et al. “Pore Network Simulations of Heat and Mass Transfer inside an Unsaturated Capillary Porous Wick in the Dry-out Regime.” Transport in Porous Media, vol. 114, no. 3, 2016, pp. 623–48, https://doi.org/10.1007/s11242-016-0737-4.


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