RESEARCH ON WINTER PERFORMANCE OF RESIDENTIAL PHOTOVOLTAIC THERMAL STORAGE WALLS IN VILLAGES AND TOWNS IN SEVERE COLD AREAS

Liu Jiangping; Li Jie

doi:10.19912/j.0254-0096.tynxb.2024-1893

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (10) : 553-560. DOI: 10.19912/j.0254-0096.tynxb.2024-1893

RESEARCH ON WINTER PERFORMANCE OF RESIDENTIAL PHOTOVOLTAIC THERMAL STORAGE WALLS IN VILLAGES AND TOWNS IN SEVERE COLD AREAS

Liu Jiangping, Li Jie

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Abstract

In order to improve the utilization efficiency of solar energy by traditional collector-heat storage walls in cold regions, this study takes a village house in Xinjiang Shihezi region as the research object, builds a set of photovoltaic collector-heat storage wall system, and tests the thermoelectric performance of the photovoltaic collector-heat storage wall system in the village house in cold regions under the winter climate. The results show that compared with the traditional collector-heat storage wall, the heat collection effect of the PV collector-heat storage wall system is obviously better than that of the traditional one, the average heat gain of the room of the PV collector-heat storage wall system is 51.41 W/m², and that of the room of the traditional collector-heat storage wall is 47.32 W/m², and the average heat gain of the room of the PV collector-heat storage wall system is 4.09 W/m² higher than that of the traditional collector-heat storage wall, which is the same as that of the traditional collector-heat storage wall. 4.09 W/m²; the electric efficiency of the PV collector-heat storage wall system fluctuates between 6% and 11%, the energy efficiency fluctuates between 7% and 26%, and the exergy efficiency fluctuates between 5% and 11%. The results of the experimental research in this paper have certain guiding significance for the application of photovoltaic collector-thermal storage wall system in the severe cold region.

Key words

solar energy / solar cells / passive solar buildings / photovoltaic thermal storage wall / severe cold regions / village and town residences

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Liu Jiangping, Li Jie. RESEARCH ON WINTER PERFORMANCE OF RESIDENTIAL PHOTOVOLTAIC THERMAL STORAGE WALLS IN VILLAGES AND TOWNS IN SEVERE COLD AREAS[J]. Acta Energiae Solaris Sinica. 2025, 46(10): 553-560 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1893

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