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Experimental Evaluation of a Radiant Panel System for Enhancing Sleep Thermal Comfort and Energy Efficiency

Author

Listed:
  • Wanfu Xiang

    (School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China)

  • Wenzhi Cui

    (School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
    Key Laboratory of Low—Grade Energy Utilization Technology and Systems, Chongqing University, Ministry of Education of the People’s Republic of China, Chongqing 400044, China)

  • Yongwei Li

    (School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China)

  • Xiang Wu

    (School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China)

Abstract

This study aims to experimentally evaluate a personal comfort system based on a radiant panel (R-PCS) that can regulate the thermal environment of the sleep zone during summer, with a focus on improving both the thermal comfort and energy efficiency of this system. To investigate thermal comfort under the coupling effect of different covering conditions and operating parameters of the R-PCS, the changing pattern of thermal environment parameters in the berth area and human skin temperature are analyzed. Then, the Predicted Mean Vote (PMV) -Predicted Percent Dissatisfied (PPD) index is employed for assessing the thermal comfort of the human body and energy-saving efficiency of the system. The results show that this system can satisfy the thermal comfort requirements of the human body in the berth area. Meanwhile, the corresponding cooling energy consumption of the R-PCS is significantly lower than that of the traditional HVAC system, indicating that the developed system has significant energy-saving potential in building design.

Suggested Citation

  • Wanfu Xiang & Wenzhi Cui & Yongwei Li & Xiang Wu, 2025. "Experimental Evaluation of a Radiant Panel System for Enhancing Sleep Thermal Comfort and Energy Efficiency," Energies, MDPI, vol. 18(11), pages 1-18, May.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:11:p:2724-:d:1663293
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    References listed on IDEAS

    as
    1. Ismail, Nagham & Ouahrani, Djamel, 2022. "Modelling of cooling radiant cubicle for an office room to test cooling performance, thermal comfort and energy savings in hot climates," Energy, Elsevier, vol. 244(PB).
    2. Jia, Hongyuan & Pang, Xiufeng & Haves, Philip, 2018. "Experimentally-determined characteristics of radiant systems for office buildings," Applied Energy, Elsevier, vol. 221(C), pages 41-54.
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