Abstract
A research study was conducted to investigate the thermal performance of phase change material (PCM) walls. The south-facing external wall of a test room was constructed using PCM walls composed of brick walls, plasterboards containing PCMs, and novel triple glass. The thermal performance of the PCM walls was experimentally determined on a daily basis. The ratio of the solar energy gain provided by the PCM walls to the heat load of the test room on a daily basis varied from 12% to 25%; daily overall efficiency of the coupled novel triple glass and PCM walls varied from 17% to 20%; and solar transmittance of the novel triple glass varied from 45% to 55% during the heating period.
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