Life cycle assessment of the inclusion of phase change materials (PCM) in experimental buildings

de Gracia, A., Rincón, L., Castell, A., Jimenez, M. , Boer, D., Medrano, M. and Cabeza, L. F. (2010) Life cycle assessment of the inclusion of phase change materials (PCM) in experimental buildings. Energy and Buildings, 42(9), pp. 1517-1523. (doi: 10.1016/j.enbuild.2010.03.022)

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Abstract

The present work evaluates the environmental impact of including phase change materials (PCM) in a typical Mediterranean building. A Life Cycle Assessment (LCA) is developed for three monitored cubicles built in Puigverd de Lleida (Spain). It is possible to control the inner temperature of the cubicles using a domestic heat pump for cooling and an electrical radiator for heating: The energy consumption is registered to determine the energy savings achieved. The aim is to analyze if these energy savings are large enough to balance the environmental impact originated during the manufacturing of PCM. Some hypothetical scenarios, such as different systems to control the temperature different PCM types or different weather conditions are proposed and studied using LCA process to point out the critical issues. Furthermore, a parametric analysis of the lifetime of buildings is developed. Results show that the addition of PCM in the building envelope, although decreasing the energy consumption during operation, does not reduce significantly the global impact throughout the lifetime of the building. For the hypothetical scenario considering summer conditions all year around and a lifetime of the building of 100 years, the use of PCM reduces the overall impact by more than 10%.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Jimenez, Dr Melanie
Authors: de Gracia, A., Rincón, L., Castell, A., Jimenez, M., Boer, D., Medrano, M., and Cabeza, L. F.
College/School:College of Science and Engineering > School of Engineering > Biomedical Engineering
Journal Name:Energy and Buildings
Publisher:Elsevier
ISSN:0378-7788
ISSN (Online):1872-6178

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