Evaluation of the effect of phase change materials technology on the thermal stability of Cultural Heritage objects |
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| Institution: | 1. National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), Corso Stati Uniti 4, 35127 Padova, Italy;2. AIDICO, Technological Institute of Construction, Camí de Castella 4, 03660 Novelda, Spain;3. R.E.D. srl, Viale dell’Industria 58B, 35129 Padova, Italy;1. Centro Interdipartimentale di Studi e Ricerche per la Conservazione del Patrimonio Culturale (CISRiC), Laboratorio Arvedi, Università degli Studi di Pavia, via Ferrata 1, 27100 Pavia, Italy;2. Istituto per l’Energetica e le Interfasi, C.so Stati Uniti 4, 35127 Padova, Italy;3. Dipartimento dei Beni Culturali, Piazza Capitaniato 7, 35139 Padova, Italy;1. Department of Civil, Chemical, Environmental, and Materials Engineering, University of Bologna, Italy;2. Department of Civil, Architectural, and Environmental Engineering, University of Colorado, Boulder, USA;1. Politecnico di Milano, Department of Architecture, Built Environment and Construction Engineering, Via Ponzio 31, Milan 20133, Italy;2. Politecnico di Milano, Energy Department, Via La Masa 34, Milan 20156, Italy;1. Department of Civil Engineering and Architecture, University of Beira Interior, Covilhã, Portugal;2. CITAD, Lisbon, Portugal;3. c-made, University of Beira Interior, Covilhã, Portugal;1. Instituto de Geociencias IGEO (CSIC, UCM), C/José Antonio Nováis 12, 28040 Madrid, Spain;2. Departamento de Petrología y Geoquímica, Facultad Ciencias Geológicas, Universidad Complutense de Madrid, C/José Antonio Nováis 12, 28040 Madrid, Spain;3. CEI – Campus Moncloa (UCM-UPM, CSIC), Madrid, Spain |
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| Abstract: | The use of phase change materials (PCMs) in civil buildings as an effective thermal energy storage solution has been well documented in literature and proven in the field. When applied to Cultural Heritage, PCMs’ technology needs to be adapted to specific requirements. Besides the important objectives of economic return and human comfort, the indoor microclimatic conditions have to be suitable for conservation purposes. The application of PCMs’ technology to Cultural Heritage has been investigated within the European MESSIB (Multi-source Energy Storage System Integrated in Buildings) project. Firstly, several methodologies of incorporation of PCMs in different materials were studied and tested. The thermal properties of gypsum panels and silicon coatings incorporating micro-encapsulated PCMs in the form of powder and emulsion were analysed in the laboratory. Then, PCMs incorporated in gypsum panels in contact with a wooden panel were tested and their effect on the thermal behaviour of the wooden panel was evaluated under thermal cycles in a climatic chamber. PCMs incorporated in silicon coatings in contact with a painting were also tested. Moreover, gypsum panels containing PCMs were tested in the S. Croce Museum in Florence, Italy, where the microclimatic monitoring has shown thermal conditions potentially dangerous for the works of art preserved. The research performed both in the laboratory and on the field confirmed the effectiveness of the PCMs as thermal storage solutions, but also gave evidence on an important drawback when the material incorporating PCMs is in direct contact with an object of art. |
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| Keywords: | Thermal energy storage Phase change materials Cultural heritage conservation Thermal gradients Painting Gypsum panel Silicon coating Wooden panel |
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