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Analysis of Thermal Performance and Energy Saving Potential by PCM Radiant Floor Heating System based on Wet Construction Method and Hot Water

Author

Listed:
  • Sanghoon Baek

    (Industry Academic Cooperation Foundation, Hankyong National University, 327, Jungang-ro, Anseong-si, Gyeonggi-do 17579, Korea)

  • Sangchul Kim

    (School of Architecture, Hankyong National University, 327, Jungang-ro, Anseong-si, Gyeonggi-do 17579, Korea)

Abstract

A phase change material (PCM) is an energy storage mass with high heat storage performance. In buildings, PCMs can be utilized to save energy in radiant floor heating systems. This study aims to analyze the thermal performance and energy saving potential by the PCM radiant floor heating system based on wet construction method and hot water. For such analysis, EnergyPlus program was used. As for the results, it was found that the proposed system almost maintained the set point of indoor air and a floor surface. Moreover, when a 10 mm PCM was applied, it was possible to save 2.4% of heating energy annually compared to existing buildings. In particular, when a 20–50 mm PCM was applied, it was found that 7.3–15.3% of heating energy was reduced annually. If indoor air temperature exceeds the comfort range of the proposed system, this problem can be solved by adjusting the set point of the floor surface or by increasing the temperature of hot water.

Suggested Citation

  • Sanghoon Baek & Sangchul Kim, 2019. "Analysis of Thermal Performance and Energy Saving Potential by PCM Radiant Floor Heating System based on Wet Construction Method and Hot Water," Energies, MDPI, vol. 12(5), pages 1-17, March.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:5:p:828-:d:210386
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    References listed on IDEAS

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    1. Cheng, Wenlong & Xie, Biao & Zhang, Rongming & Xu, Zhiming & Xia, Yuting, 2015. "Effect of thermal conductivities of shape stabilized PCM on under-floor heating system," Applied Energy, Elsevier, vol. 144(C), pages 10-18.
    2. Barzin, Reza & Chen, John J.J. & Young, Brent R. & Farid, Mohammed M., 2015. "Application of PCM underfloor heating in combination with PCM wallboards for space heating using price based control system," Applied Energy, Elsevier, vol. 148(C), pages 39-48.
    3. Sanghoon Baek & Sangchul Kim, 2018. "Determination of Optimum Hot-Water Temperatures for PCM Radiant Floor-Heating Systems Based on the Wet Construction Method," Sustainability, MDPI, vol. 10(11), pages 1-19, November.
    4. Zhou, Guobing & He, Jing, 2015. "Thermal performance of a radiant floor heating system with different heat storage materials and heating pipes," Applied Energy, Elsevier, vol. 138(C), pages 648-660.
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    Cited by:

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    2. Miguel Ángel Álvarez-Feijoo & Pedro Orgeira-Crespo & Elena Arce & Andrés Suárez-García & José Roberto Ribas, 2020. "Effect of Insulation on the Energy Demand of a Standardized Container Facility at Airports in Spain under Different Weather Conditions," Energies, MDPI, vol. 13(20), pages 1-15, October.
    3. Filip Vrbanc & Mario Vašak & Vinko Lešić, 2023. "Simple and Accurate Model of Thermal Storage with Phase Change Material Tailored for Model Predictive Control," Energies, MDPI, vol. 16(19), pages 1-18, September.
    4. Antonio Real-Fernández & Joaquín Navarro-Esbrí & Adrián Mota-Babiloni & Ángel Barragán-Cervera & Luis Domenech & Fernando Sánchez & Angelo Maiorino & Ciro Aprea, 2019. "Modeling of a PCM TES Tank Used as an Alternative Heat Sink for a Water Chiller. Analysis of Performance and Energy Savings," Energies, MDPI, vol. 12(19), pages 1-18, September.

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