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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/41457

    Título
    Influence of constructive parameters on the performance of two indirect evaporative cooler prototypes
    Autor
    Tejero González, AnaAutoridad UVA Orcid
    Andrés Chicote, ManuelAutoridad UVA Orcid
    Velasco Gómez, EloyAutoridad UVA Orcid
    Rey Martínez, Francisco JavierAutoridad UVA Orcid
    Año del Documento
    2013
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Applied Thermal Engineering, Marzo 2013, vol. 51, Issues 1-2, p. 1017-1025
    Résumé
    Two equally-sized cross-flow heat exchanger prototypes have been designed with a total heat exchange area of 6 m2 and 3 m2 respectively, constructed with polycarbonate hollow panels of different cross-section. They are connected into a heat recovery cycle within the whole experimental setup constructed for the tests, which mainly consists of: an Air Handling Unit to simulate the outdoor airstream conditions, a conditioned climate chamber, and a water circuit to provide the water supply required. They have been experimentally characterised in two operating modes in order to determine how evaporative cooling improves heat recovery in each case, focusing on the influence of modifying the constructive characteristics. To perform the evaporative cooling process, water is supplied to the exhaust airstream. Results are studied considering how constructive issues, outdoor air volume flow rate and temperature, as well as operating mode influence on the performance obtained. An Analysis of Variance shows how outdoor airflow has a key role in the performance of the systems; whereas entering outdoor air temperature determines cooling capacities. Improvements introduced by larger heat exchange areas compensate with their corresponding smaller cross sections, which hinder water-air distribution on the exhaust air side of the heat exchanger. Finally, these small devices achieve cooling capacities of up to 800 W, being able to partly support ventilation load and achieving around 50% of energy saving in ventilation cooling.
    Materias (normalizadas)
    Eficiencia energética
    Climatización
    Edificios
    Enfriamiento evaporativo
    Materias Unesco
    3322
    Palabras Clave
    Indirect evaporative cooling
    Heat recovery
    Plastic heat exchanger
    Heat exchange area
    Cooling capacity
    Thermal conductance
    ISSN
    1359-4311
    Revisión por pares
    SI
    DOI
    10.1016/j.applthermaleng.2012.10.054
    Patrocinador
    This work forms part of the research being carried out within the framework of the “Reduction of energy consumption and carbon dioxide emission in buildings combining evaporative cooling, free cooling and energy recovery in all-air systems”, project supported by the Ministry of Science and Technology through the call for scientific research and technological development research projects. Reference number ENE2008-02274/CON.
    Manuel Andrés-Chicote wants to thank to the Spanish Government for the support given through the FPU (Formación de Profesorado Universitario). Reference: AP2010-2449.
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S1359431112007181?via%3Dihub
    Propietario de los Derechos
    Elsevier
    Idioma
    spa
    URI
    http://uvadoc.uva.es/handle/10324/41457
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP46 - Artículos de revista [100]
    Afficher la notice complète
    Fichier(s) constituant ce document
    Nombre:
    AcceptedManuscript_ATE2013.pdf
    Tamaño:
    1.147Mo
    Formato:
    Adobe PDF
    Descripción:
    Accepted manuscript
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