Comparison of different modeling approaches for minichannel evaporators under dehumidification

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dc.contributor.affiliationDepartamento de Termodinámica Aplicada
dc.contributor.affiliationInstituto Universitario de Investigación de Ingeniería Energética
dc.contributor.affiliationEscuela Técnica Superior de Ingeniería Industrial
dc.contributor.authorHassan, Abdelrahman
dc.contributor.authorMartinez-Ballester, Santiagoes_ES
dc.contributor.authorGonzálvez-Maciá, José
dc.contributor.funderMinisterio de Economía y Competitividades_ES
dc.date.accessioned2020-05-29T03:33:30Z
dc.date.available2020-05-29T03:33:30Z
dc.date.issued2019-10es_ES
dc.description.abstract[EN] This paper firstly presents a comprehensive minichannel evaporator model (MCHX-1D-MB) based on fin theory coupled with the moving boundary technique along fin height. To validate the presented model, experimental data for R-134a and R-744 (CO2) minichannel evaporators were used. The proposed model successfully predicted the cooling capacity of R-134a and CO2 evaporators with mean absolute error values of +/- 1.8 and +/- 4.3%, respectively. Regarding the outlet air temperature, the mean absolute errors in the estimated results were +/- 0.43 and +/- 0.9 degrees C for R-134a and CO2 evaporators, respectively. Finally, to evaluate the impact of widely used assumption of cut fin on the air-side performance of minichannel evaporators, another model was developed (MCHX-1D-CF). The comparative study revealed that the most remarkable deviations between the two models appear when the evaporator operates under partially wet conditions, which were up to approximate to 12% in the latent heat transfer rate.en_EN
dc.description.accrualMethodSes_ES
dc.description.bibliographicCitationHassan, A.; Martinez-Ballester, S.; Gonzálvez-Maciá, J. (2019). Comparison of different modeling approaches for minichannel evaporators under dehumidification. Heat and Mass Transfer. 55(10):2901-2919. https://doi.org/10.1007/s00231-019-02622-0es_ES
dc.description.issue10es_ES
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dc.description.sponsorshipThe authors would like to gratefully acknowledge the financial support from the Spanish Ministry of Economy and Finance to project number ENE2014-53311-C2-1-P.es_ES
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dc.description.volume55es_ES
dc.identifier.doi10.1007/s00231-019-02622-0es_ES
dc.identifier.issn0947-7411es_ES
dc.identifier.urihttps://riunet.upv.es/handle/10251/144584
dc.languageIngléses_ES
dc.publisherSpringer-Verlages_ES
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dc.rightsReserva de todos los derechoses_ES
dc.rights.accessRightsAbiertoes_ES
dc.subjectMinichannel evaporatores_ES
dc.subjectModellinges_ES
dc.subjectTwo-pahse, Pressure dropes_ES
dc.subjectHeat transferes_ES
dc.subject.classificationMAQUINAS Y MOTORES TERMICOSes_ES
dc.titleComparison of different modeling approaches for minichannel evaporators under dehumidificationes_ES
dc.typeArtículoes_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersiones_ES
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