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Improved thermal-electrical-optical model and performance assessment of a PV-blind embedded glazing façade system with complex shading effects

Author

Listed:
  • Luo, Yongqiang
  • Zhang, Ling
  • Su, Xiaosong
  • Liu, Zhongbing
  • Lian, Jinbu
  • Luo, Yongwei

Abstract

PV-blind embedded glazing façade is a promising façade system with multi-function of flexible daylighting control, power generation and heat gain/loss reduction. It is investigated in some studies before, but usually for model simplification, the building shadow is not considered, even it is not clear how the building shadow affects simulation accuracy and system performance. In this study, an improved thermal-electrical-optical model is proposed with full consideration of dynamic complex shading effects from building eave, window frame and PV-blinds. A series of experimental tests are conducted to verify the system model. The newly proposed model is used as an important tool to better understand impacts of complex shading effects. The results show some new and valuable findings: (a) The radar map of shading coefficient is rotating clockwise with increased local latitude and it is shifting from west to east with increased local longitude, which is in accordance with the varied local longitude; (b) The “U”, “M”, “Λ”, and “W” shaped error curves are, for the first time, identified in simulation if the complex shading effects are not considered and the annual simulation errors are about 40–120% for optical model, 12.5–27% for thermal model and as high as 10–18 times for electrical model; (c) The power generation and thermal performance are greatly affected by façade orientations and blind arrangements. And when the PVBGF system is applied to cities in different zones, the overall system performance is heavily sensitive to the local latitude than local longitude.

Suggested Citation

  • Luo, Yongqiang & Zhang, Ling & Su, Xiaosong & Liu, Zhongbing & Lian, Jinbu & Luo, Yongwei, 2019. "Improved thermal-electrical-optical model and performance assessment of a PV-blind embedded glazing façade system with complex shading effects," Applied Energy, Elsevier, vol. 255(C).
    • Handle: RePEc:eee:appene:v:255:y:2019:i:c:s0306261919315831
    DOI: 10.1016/j.apenergy.2019.113896
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    Citations

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    Cited by:

    1. Wu, Zhenghong & Zhang, Ling & Su, Xiaosong & Wu, Jing & Liu, Zhongbing, 2022. "Experimental and numerical analysis of naturally ventilated PV-DSF in a humid subtropical climate," Renewable Energy, Elsevier, vol. 200(C), pages 633-646.
    2. Ren, Xiao & Li, Jing & Jiao, Dongsheng & Gao, Datong & Pei, Gang, 2020. "Temperature-dependent performance of amorphous silicon photovoltaic/thermal systems in the long term operation," Applied Energy, Elsevier, vol. 275(C).
    3. Dushan Fernando & Satheeskumar Navaratnam & Pathmanathan Rajeev & Jay Sanjayan, 2023. "Study of Technological Advancement and Challenges of Façade System for Sustainable Building: Current Design Practice," Sustainability, MDPI, vol. 15(19), pages 1-33, September.
    4. Li, Qingxiang & Zhu, Li & Sun, Yong & Lu, Lin & Yang, Yang, 2020. "Performance prediction of Building Integrated Photovoltaics under no-shading, shading and masking conditions using a multi-physics model," Energy, Elsevier, vol. 213(C).
    5. Skandalos, Nikolaos & Karamanis, Dimitris, 2021. "An optimization approach to photovoltaic building integration towards low energy buildings in different climate zones," Applied Energy, Elsevier, vol. 295(C).
    6. Islam, Nazrul & Irshad, Kashif & Zahir, Md Hasan & Islam, Saiful, 2021. "Numerical and experimental study on the performance of a Photovoltaic Trombe wall system with Venetian blinds," Energy, Elsevier, vol. 218(C).
    7. Nicoletti, Francesco & Cucumo, Mario Antonio & Arcuri, Natale, 2023. "Building-integrated photovoltaics (BIPV): A mathematical approach to evaluate the electrical production of solar PV blinds," Energy, Elsevier, vol. 263(PD).
    8. Janusz Teneta & Wojciech Kreft & Mirosław Janowski, 2024. "Partial Shading of Photovoltaic Modules with Thin Linear Objects: Modelling in MATLAB Environment and Measurement Experiments," Energies, MDPI, vol. 17(14), pages 1-26, July.
    9. Paolo Corti & Pierluigi Bonomo & Francesco Frontini, 2023. "Paper Review of External Integrated Systems as Photovoltaic Shading Devices," Energies, MDPI, vol. 16(14), pages 1-21, July.
    10. Wu, Zhenghong & Zhang, Ling & Wu, Jing & Liu, Zhongbing, 2022. "Experimental and numerical study on the annual performance of semi-transparent photovoltaic glazing in different climate zones," Energy, Elsevier, vol. 240(C).
    11. Spiliotis, Konstantinos & Gonçalves, Juliana E. & Saelens, Dirk & Baert, Kris & Driesen, Johan, 2020. "Electrical system architectures for building-integrated photovoltaics: A comparative analysis using a modelling framework in Modelica," Applied Energy, Elsevier, vol. 261(C).

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