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Experimental study on double pipe PCM floor heating system under different operation strategies

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  • Lu, Shilei
  • Xu, Bowen
  • Tang, Xiaolei

Abstract

Phase change material (PCM) can be integrated into floor heating system to store excess heat, releasing it when needed, thus effectively reducing the mismatch between energy supply and demand. In this study, a double pipe PCM floor heating system with three independent heating modules was proposed for clean energy heating in rural China. A 26-day experimental study was conducted to study the operation effect of the system under four different strategies. Strategy 1: partial power operation strategy; Strategy 2: daytime energy storage strategy; Strategy 3: nocturnal energy storage strategy; and Strategy 4: phased energy storage strategy. In the early stage of heating, the average temperature of experiment room was 18.9 °C and the daily temperature fluctuation was controlled within 2.1 °C, which showed an effective guarantee of indoor comfort under Strategy 1. In the late stage of heating, the differences in indoor temperature fluctuations could be caused by changes in outdoor climate and operation strategies. And operating strategy had less impact on indoor temperature distribution. Moreover, the experiment results revealed that the system could provide a comfortable indoor thermal environment while adjusting operational strategies. And the 3 °C average daily temperature fluctuation confirmed the feasibility of creating a comfortable environment with gentle temperature fluctuations via the PCM floor intermittent heating.

Suggested Citation

  • Lu, Shilei & Xu, Bowen & Tang, Xiaolei, 2020. "Experimental study on double pipe PCM floor heating system under different operation strategies," Renewable Energy, Elsevier, vol. 145(C), pages 1280-1291.
    • Handle: RePEc:eee:renene:v:145:y:2020:i:c:p:1280-1291
    DOI: 10.1016/j.renene.2019.06.086
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    Citations

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    Cited by:

    1. Larwa, Barbara & Cesari, Silvia & Bottarelli, Michele, 2021. "Study on thermal performance of a PCM enhanced hydronic radiant floor heating system," Energy, Elsevier, vol. 225(C).
    2. Ke, Wei & Ji, Jie & Xu, Lijie & Xie, Hao & Wang, Chuyao & Yu, Bendong, 2021. "Annual performance analysis of a dual-air-channel solar wall system with phase change material in different climate regions of China," Energy, Elsevier, vol. 235(C).
    3. Yu, Jinghua & Qian, Congcong & Yang, Qingchen & Xu, Tao & Zhao, Jingang & Xu, Xinhua, 2023. "The energy saving potential of a new ventilation roof with stabilized phase change material in hot summer region," Renewable Energy, Elsevier, vol. 212(C), pages 111-127.
    4. Yu, Cairui & Shen, Dongmei & He, Wei & Hu, Zhongting & Zhang, Sheng & Chu, Wenfeng, 2021. "Parametric analysis of the phase change material wall combining with micro-channel heat pipe and sky radiative cooling technology," Renewable Energy, Elsevier, vol. 178(C), pages 1057-1069.
    5. Khaireldin Faraj & Mahmoud Khaled & Jalal Faraj & Farouk Hachem & Cathy Castelain, 2022. "A Summary Review on Experimental Studies for PCM Building Applications: Towards Advanced Modular Prototype," Energies, MDPI, vol. 15(4), pages 1-43, February.
    6. Lu, Shilei & Gao, Jingxian & Tong, Haojie & Yin, Shuai & Tang, Xiaolei & Jiang, Xiangyang, 2020. "Model establishment and operation optimization of the casing PCM radiant floor heating system," Energy, Elsevier, vol. 193(C).
    7. Ma, Y. & Tao, Y. & Shi, L. & Liu, Q.G. & Wang, Y. & Tu, J.Y., 2021. "Investigations on the thermal performance of a novel thermal energy storage unit for poor solar conditions," Renewable Energy, Elsevier, vol. 180(C), pages 166-177.
    8. Zhou, Yuekuan & Zheng, Siqian & Liu, Zhengxuan & Wen, Tao & Ding, Zhixiong & Yan, Jun & Zhang, Guoqiang, 2020. "Passive and active phase change materials integrated building energy systems with advanced machine-learning based climate-adaptive designs, intelligent operations, uncertainty-based analysis and optim," Renewable and Sustainable Energy Reviews, Elsevier, vol. 130(C).
    9. Shilei Lv & Jiawen Zhu & Ran Wang, 2023. "Experimental Research on a Solar Energy Phase Change Heat Storage Heating System Applied in the Rural Area," Sustainability, MDPI, vol. 15(3), pages 1-20, January.

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