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

Wanfu Xiang, Wenzhi Cui (), Yongwei Li and Xiang Wu
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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
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

Energies, 2025, vol. 18, issue 11, 1-18

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.

Keywords: radiant panel; personal comfort system; bedding; thermal comfort (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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