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Energies 2017, 10(2), 195; doi:10.3390/en10020195

An Experimental Study on the Thermal Performance of Phase-Change Material and Wood-Plastic Composites for Building Roofs

School of Architecture and Building Science, Chung-Ang University, Seoul 06974, Korea
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Academic Editor: Chi-Ming Lai
Received: 25 November 2016 / Revised: 4 February 2017 / Accepted: 5 February 2017 / Published: 10 February 2017
(This article belongs to the Special Issue PCM Applications in Building Energy)
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Abstract

We assessed the usefulness of phase-change material (PCM)-based thermal plates fabricated from wood-plastic composites (WPCs) in mitigating the urban heat island effect. The thermal performance of plates containing PCMs with two different melting temperatures and with two different albedo levels was evaluated. The results showed that the PCM with a melting temperature of 44 °C maintained lower surface and inner temperatures than the PCM with a melting temperature of 25 °C. Moreover, a higher surface albedo resulted in a lower surface temperature. However, the thermal performance of PCMs with different melting temperatures but the same surface albedo did not differ. Using PCM-based materials in roof finishing materials can reduce surface temperatures and improve thermal comfort. View Full-Text
Keywords: roof temperature; phase-change materials; wood-plastic composite (WPC) roof temperature; phase-change materials; wood-plastic composite (WPC)
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Chung, M.H.; Park, J.C. An Experimental Study on the Thermal Performance of Phase-Change Material and Wood-Plastic Composites for Building Roofs. Energies 2017, 10, 195.

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