Abstract
Phase change materials (PCMs) can store much larger amounts of thermal energy per unit mass than conventional building materials and can be used to add thermal stability to lightweight construction without adding physical mass. This paper reviews how PCMs could be incorporated in building materials, particularly in passive applications. A simulation study using IES Virtual Environment package ‘Apache’ was carried out on PCM impregnated plasterboard, investigating various fusion temperatures of the PCM during night, day, and week-long test durations in hot weather conditions. Different ventilation rates and alternative conductivity values of the gypsum in the plasterboard were tested. It was shown that use of PCMs has significant advantages for both commercial and residential building applications, provided sufficient night ventilation is allowed.
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