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    Energy Saving Potential of Cement-Based Mortar Containing Hybrid Phase Change Materials Applied in Building Envelopes

    TitleEnergy Saving Potential of Cement-Based Mortar Containing Hybrid Phase Change Materials Applied in Building Envelopes
    Publication TypeCommunications in International Conferences
    Year of Publication2016
    AuthorsKheradmand M., Azenha M., Gomes C. J. P., and Aguiar, J. B.
    Abstract

    This work reports an experimental study regarding the energy saving potential of an innovative concept of thermal energy storage, which consists in embedding more than one type of Phase Change Material (PCM) into cement-based mortars to apply as renderings in façade walls of buildings. The mortar simultaneously incorporates three distinct phase change materials and is termed HPCMM (Hybrid PCM mortar). The total mass percentage of PCMs in HPCMM can reach as high as 20%, while maintaining satisfactory performance in terms of mechanical properties/behavior of the mortar. The experimental program comprises two laboratory scale prototypes, materialized by two hollow boxes of outer dimensions
    46×46×46cm3, internally coated with HPCMM or REFM (reference mortar without PCM) and externally subjected to realistic daily temperature profiles. The prototypes were internally equipped with a heater that was programmed to keep the inside of the box within the acceptable range of comfort temperature, in correspondence to the simulation of a winter scenario (heating season). By monitoring the energy consumption of the heater, it was possible to infer that the prototype rendered with HPCMM led to a reduction of energy consumption of nearly 20% as compared to the prototype rendered with REFM.

    Conference NameSCMT4, Fourth International Conference on Sustainable Construction Materials and Technlogies
    Pagination1-10
    Date Published2016-08-07
    Conference LocationLas Vegas, Nevada, USA
    KeywordsBuilding envelope, Cement mortar, energy savings, Phase change materials
    RightsembargoedAccess (2 Years)
    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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    Centro de Território, Ambiente e Construção
    Escola de Engenharia da Universidade do Minho
    Campus de Azurém
    4800-058 Guimarães, Portugal

    Phone: + 351 253 510 200 (517 206)
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    Email: geral@ctac.uminho.pt


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