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Comparison of different modeling approaches for minichannel evaporators under dehumidification

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Comparison of different modeling approaches for minichannel evaporators under dehumidification

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dc.contributor.author Hassan, Abdelrahman-Hussein es_ES
dc.contributor.author Martinez-Ballester, Santiago es_ES
dc.contributor.author Gonzálvez-Maciá, José es_ES
dc.date.accessioned 2020-05-29T03:33:30Z
dc.date.available 2020-05-29T03:33:30Z
dc.date.issued 2019-10 es_ES
dc.identifier.issn 0947-7411 es_ES
dc.identifier.uri http://hdl.handle.net/10251/144584
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. es_ES
dc.description.sponsorship The 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
dc.language Inglés es_ES
dc.publisher Springer-Verlag es_ES
dc.relation.ispartof Heat and Mass Transfer es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Minichannel evaporator es_ES
dc.subject Modelling es_ES
dc.subject Two-pahse, Pressure drop es_ES
dc.subject Heat transfer es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Comparison of different modeling approaches for minichannel evaporators under dehumidification es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/s00231-019-02622-0 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//ENE2014-53311-C2-1-P/ES/APROVECHAMIENTO DEL CALOR RESIDUAL A BAJA TEMPERATURA MEDIANTE BOMBAS DE CALOR PARA LA PRODUCCION DE AGUA CALIENTE/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada es_ES
dc.description.bibliographicCitation Hassan, 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/s00231-019-02622-0 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1007/s00231-019-02622-0 es_ES
dc.description.upvformatpinicio 2901 es_ES
dc.description.upvformatpfin 2919 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 55 es_ES
dc.description.issue 10 es_ES
dc.relation.pasarela S\394137 es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
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