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      THE EFFECT OF MICROENCAPSULATED PHASE-CHANGE MATERIAL ON THE COMPRESSIVE STRENGTH OF STRUCTURAL CONCRETE

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      Journal of Green Building
      College Publishing

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          Abstract

          Latent heat energy storage through phase-change materials (PCMs) is one possible strategy to control interior temperatures in buildings, improve thermal comfort, and passively reduce building energy use associated with heating and cooling. While PCMs integrated into building structure elements have been studied since the 1970s, challenges of integrating PCMs into building materials while maintaining their heat storage benefits have limited their application in practice. The recent introduction of microencapsulated phase-change materials provides the energy storage capability of PCMs in micron-scale, chemically-inert capsules that can be easily integrated into composite materials such as gypsum wallboard and concrete. The size and physical properties of microencapsulated PCMs suggest that they will behave similarly to filler materials in concrete. Such filler materials are generally less than 125 μm in diameter and can increase concrete strength when added to a mix. This study uses the compressive strength of hardened concrete mixes with varying amounts of PCM to evaluate the effect of PCM addition on concrete structural integrity.

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          Most cited references12

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          Review on thermal energy storage with phase change: materials, heat transfer analysis and applications

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            A review on phase change energy storage: materials and applications

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              Solar energy storage using phase change materials☆

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                Author and article information

                Journal
                Journal of Green Building
                Journal of Green Building
                College Publishing
                1552-6100
                1943-4618
                July 2013
                July 2013
                : 8
                : 3
                : 116-124
                Article
                10.3992/jgb.8.3.116
                8b746f2d-fede-4762-b70c-9108260a37ad
                © 2013
                History

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