STUDY ON THERMOELECTRICITY PERFORMANCE OF BIFACIAL PHOTOVOLTAIC BLINDS INTEGRATED DOUBLE SKIN FA&#x000c7;ADE

Fang Yi; Peng Jinqing; Tan Yutong; Zhang Qiangzhi; Li Bojia; Xiao Zhe

doi:10.19912/j.0254-0096.tynxb.2023-1772

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (3) : 280-290. DOI: 10.19912/j.0254-0096.tynxb.2023-1772

STUDY ON THERMOELECTRICITY PERFORMANCE OF BIFACIAL PHOTOVOLTAIC BLINDS INTEGRATED DOUBLE SKIN FAÇADE

Fang Yi¹, Peng Jinqing¹, Tan Yutong¹, Zhang Qiangzhi¹, Li Bojia², Xiao Zhe³

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Abstract

This paper introduced a novel approach by combining the bifacial photovoltaic blinds with a double skin façade, resulting in a bifacial photovoltaic blinds integrated double skin façade （bPVB-DSF）. To evaluate the performance of bPVB-DSF, a numerical model was established and validated through experiments. Additionally, a sensitivity analysis was conducted to identify the key parameters that significantly influence the performance of the bPVB-DSF. Finally, the thermoelectric characteristics of different types of curtain wall systems were compared. The research findings demonstrated a high level of consistency between simulated and measured results, with root mean square errors of 1.32 ℃, 1.49 ℃, and 0.66 ℃ for outdoor side glass, bifacial photovoltaic blinds, and indoor side glass temperatures, respectively. Based on the validated numerical model, the sensitivity analysis revealed that the tilt angle, blade width, blade spacing and facade orientation of the bifacial photovoltaic louvers have a greater impact on the thermoelectric performance of the system, while the influence of cavity spacing is minimal. In summer, the bPVB-DSF exhibited a 17.38% reduction in heat gain compared to the double skin façade （DSF）. Additionally, when compared to the mono-facial photovoltaic blinds integrated double skin façade （mPVB-DSF）, the bPVB-DSF displayed an 11.35% increase in power generation, with negligible differences in thermal performance.

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photovoltaic technology / numerical models / experiments / thermoelectric performance / parametric analysis / double skin faç / ade

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Fang Yi, Peng Jinqing, Tan Yutong, Zhang Qiangzhi, Li Bojia, Xiao Zhe. STUDY ON THERMOELECTRICITY PERFORMANCE OF BIFACIAL PHOTOVOLTAIC BLINDS INTEGRATED DOUBLE SKIN FAÇADE[J]. Acta Energiae Solaris Sinica. 2025, 46(3): 280-290 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1772

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