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Modeling and performance analysis of an absorption chiller with a microchannel membrane-based absorber using LiBr-H2O, LiCl-H2O, and LiNO3-NH3

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dc.affiliation.dptoUC3M. Departamento de Ingeniería Térmica y de Fluidoses
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Tecnologías Apropiadas para el Desarrollo Sosteniblees
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Ingeniería de Sistemas Energéticoses
dc.contributor.authorVega Blázquez, Mercedes de
dc.contributor.authorVenegas Bernal, María Carmen
dc.contributor.authorGarcía Hernando, Néstor
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2021-04-23T08:39:54Z
dc.date.available2021-04-23T08:39:54Z
dc.date.issued2018-09
dc.description.abstractIn order to develop compact absorption refrigeration cycles driven by low heat sources, the simulated performance of a microchannel absorber of 5-cm length and 9.5cm(3) in volume provided with a porous membrane is presented for 3 different solution-refrigerant pairs: LiBr-H2O, LiCl-H2O, and LiNO3-NH3. The high absorption rates calculated for the 3 solutions lead to large cooling effect to absorber volume ratios: 625kW/m(3) for the LiNO3-NH3, 552kW/m(3) for the LiBr-H2O, and 318kW/m(3) for the LiCl-H2O solutions given the studied geometry. The performance of a complete absorption system is also analyzed varying the solution concentration, condensation temperature, and desorption temperature. The LiNO3-NH3 and the LiBr-H2O solutions provide the largest cooling effects. The LiNO3-NH3 can work at a lower temperature of the heating source, in comparison with the one needed in a LiBr-H2O system. The lowest cooling effect and coefficient of performance are found for the LiCl-H2O solution, but this mixture allows the use of lower temperature heating sources (below 70 degrees C). These results can be used for the selection of the most suitable solution for a given cooling duty, depending on the available heat source and condensation temperature.en
dc.format.extent15
dc.identifier.bibliographicCitationde Vega, M., Venegas, M. & García-Hernando, N. (2018). Modeling and performance analysis of an absorption chiller with a microchannel membrane-based absorber using LiBr-H2 O, LiCl-H2 O, and LiNO3 -NH3. International Journal of Energy Research, 42(11), 3544–3558.en
dc.identifier.doihttps://doi.org/10.1002/er.4098
dc.identifier.issn0363-907X
dc.identifier.publicationfirstpage3544
dc.identifier.publicationissue11
dc.identifier.publicationlastpage3558
dc.identifier.publicationtitleInternational Journal of Energy Researchen
dc.identifier.publicationvolume42
dc.identifier.urihttps://hdl.handle.net/10016/32464
dc.identifier.uxxiAR/0000022145
dc.language.isoeng
dc.publisherWileyen
dc.relation.projectIDGobierno de España. DPI2017-83123-Res
dc.rights© 2018 John Wiley & Sons, Ltd.en
dc.rights.accessRightsopen accessen
dc.subject.ecienciaMaterialeses
dc.subject.ecienciaEnergías Renovableses
dc.subject.otherAbsorption refrigerationen
dc.subject.otherLithium bromide-wateren
dc.subject.otherLithium chloride-wateren
dc.subject.otherLithium nitrate-ammoniaen
dc.subject.otherMembrane absorberen
dc.subject.otherMicrochannelen
dc.titleModeling and performance analysis of an absorption chiller with a microchannel membrane-based absorber using LiBr-H2O, LiCl-H2O, and LiNO3-NH3en
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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