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Thermal Conductivity of PCMs for Thermal Storage Applications

Phase change materials (PCM) including paraffins are good candidates forlatent heat thermal storage applications. Heat capacity and thermal conductivity (TC) are materials’ main characteristics affecting its ability to effectively store thermal energy. The phase changes in paraffins involving heat present challenges to proper thermal conductivity measurements. In this paper we discuss aspects of TC analysis using a modified transient plain source (MTPS) technique and report the thermal conductivity data on commercially important paraffin wax from room temperature to 100 °C.

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