The dry-heat loss effect of melt-spun phase change material fibres
Phase change materials (PCM) have the ability to store latent heat when they change phases, a property that gives clothing that incorporates PCM its cooling effect. This study investigated the effect of dry-heat loss (cooling) of a novel melt-spun PCM fibre on the basis of the area
covered, mass, the latent heat of fusion and melting temperature, compared to a known PCM clothing product. PCM fibres with melting temperatures of 28.4 and 32.0°C and PCM packs with melting temperatures of 28.0 and 32.0°C were studied. The results showed that the PCM fibres had a
larger initial peak cooling effect than that of the PCM packs. The duration of the cooling effect of PCM fibres was primarily dependent on the PCM mass and the latent heat of fusion capacity, and secondly on the covered area and melting temperature of the PCM.
Keywords: covering area; heat of fusion; mass; melt-spun phase change material fibres; phase change temperature; thermal manikin
Document Type: Research Article
Affiliations: SINTEF Technology and Society, Department of Health Research, NO-7465, Trondheim, Norway
Publication date: 04 March 2015
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