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    Latent heat storage capability in different type of mortars

    TitleLatent heat storage capability in different type of mortars
    Publication TypeCommunications in National Conferences
    Year of Publication2012
    AuthorsLucas S., Aguiar, J. B., and Ferreira V. M.
    Abstract

    The application of mortars with latent heat storage capabilities has been extensively studied during the last decade. It is already proven the ability of these materials to store latent heat. These materials will reduce the HVAC (heating, ventilation, and air conditioning systems) operation time and contribute to save energy. However, the incorporation of microcapsules of phase change materials (PCM) into the mortar matrix change the internal structure, affecting its hardened state properties. Understanding these microstructural modifications can contribute to optimize the PCM content and the mortars performance. This work aims to study the relationship between the hardened state properties of mortars containing PCM and its internal microstructure. The mortars were prepared using different binders (lime, cement and gypsum) and different PCM contents. Their hardened state properties, microstructural modifications and heat storage capabilities were assessed. It was determined a strong relationship with the mortars microstructure. It was verified that a higher PCM content does not necessarily implies an increase in the latent heat transfer. The internal pore distribution plays an important role in the latent heat storage process. The use of PCM mortars proved to be an efficient strategy to develop both new and renovated sustainable buildings.

    Conference NameCongresso de Inovação na Construção Sustentável
    Pagination163–172
    Date Published2012-01-01
    PublisherCentro Habitat
    Conference LocationAveiro, Portugal
    URLhttp://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=14377
    KeywordsMortars, PCM materials, Sustainability
    RightsopenAccess
    Peer reviewedyes
    Statuspublished
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    About CTAC

    The Centre for Territory, Environment and Construction (CTAC) is a research unit of the School of Engineering of University of Minho (UMinho), recognised by the “FCT – Fundação para a Ciência e Tecnologia” (Foundation for Science and Technology), associated to the Department of Civil Engineering (DEC), with whom it shares resources and namely human resources.

    Currently CTAC aggregates 25 researchers holding a PhD of which 20 are faculty professors of the Civil Engineering Department. Read more


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