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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/52625

    Título
    A graphical tool to estimate the air change efficiency in rooms with heat recovery systems
    Autor
    Meiss Rodríguez, Alberto JoséAutoridad UVA Orcid
    Padilla Marcos, Miguel ÁngelAutoridad UVA Orcid
    Poza Casado, IreneAutoridad UVA Orcid
    Álvaro Tordesillas, AntonioAutoridad UVA Orcid
    Año del Documento
    2020
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    Sustainability, 2020, vol. 12, n. 3, 1031
    Zusammenfassung
    Indoor air quality in buildings must be guaranteed for the health and comfort of the occupants. In order to assess the ventilation strategy of a considered room, the parameter of the air change efficiency ( εa ) can be used. The objective of this work is to provide designers with a graphical tool for a reliable estimate of the value of εa of a room. The temperature gradient between the outdoor air supply and the indoor air is so low that the ventilation flow can be assumed as isothermal when high-efficiency heat recovery systems are used. By means of charts, the optimal location of the openings for a better εa can be determined during the design process, in order to subsequently apply them. It is concluded that it is very important to consider the εa in the case of openings located in facing walls given that its range varies between 40% and 65%. In contrast, its use can be obviated in the case of openings located in non-facing walls, as the value of εa obtained is close to 50%; this means a perfect mixing air flow pattern, which is the reference value for the estimation of the indoor air quality (IAQ) in the different national regulations.
    Palabras Clave
    Ventilation
    Ventilación
    ISSN
    2071-1050
    Revisión por pares
    SI
    DOI
    10.3390/su12031031
    Patrocinador
    EPACRA: Lanzadera project (TCUE.6-LANZADERA 067/157541)
    Version del Editor
    https://www.mdpi.com/2071-1050/12/3/1031
    Propietario de los Derechos
    © 2020 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/52625
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP43 - Artículos de revista [53]
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    Dateien zu dieser Ressource
    Nombre:
    Graphical-tool-estimate-air-change-efficiency.pdf
    Tamaño:
    6.668Mb
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