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Comparison of the Energy Conversion Efficiency of a Solar Chimney and a Solar PV-Powered Fan for Ventilation Applications

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  • Lubomír Klimeš

    (Sustainable Process Integration Laboratory—SPIL, NETME Centre, Brno University of Technology, Brno 61669, Czech Republic)

  • Pavel Charvát

    (Energy Institute, Faculty of Mechanical Engineering, Brno University of Technology, Brno 61669, Czech Republic)

  • Jiří Hejčík

    (Energy Institute, Faculty of Mechanical Engineering, Brno University of Technology, Brno 61669, Czech Republic)

Abstract

A study into the performance of a solar chimney and a solar photovoltaic (PV)-powered fan for ventilation applications was carried out using numerical simulations. The performance of the solar chimney was compared with that of a direct current (DC) fan powered by a solar PV panel. The comparison was carried out using the same area of the irradiated surface—the area of the solar absorber plate in the case of the solar chimney and the area of the solar panel in the case of the photovoltaic-powered fan. The two studied cases were compared under various solar radiation intensities of incident solar radiation. The results indicate that the PV-powered fans significantly outperform solar chimneys in terms of converting solar energy into the kinetic energy of air motion. Moreover, ventilation with PV-powered fans offers more flexibility in the arrangement of the ventilation system and also better control of the air flow rates in the case of battery storage.

Suggested Citation

  • Lubomír Klimeš & Pavel Charvát & Jiří Hejčík, 2018. "Comparison of the Energy Conversion Efficiency of a Solar Chimney and a Solar PV-Powered Fan for Ventilation Applications," Energies, MDPI, vol. 11(4), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:4:p:912-:d:140811
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    References listed on IDEAS

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    1. Atlam, Ozcan & Kolhe, Mohan, 2013. "Performance evaluation of directly photovoltaic powered DC PM (direct current permanent magnet) motor – propeller thrust system," Energy, Elsevier, vol. 57(C), pages 692-698.
    2. Badescu, Viorel, 2003. "Dynamic model of a complex system including PV cells, electric battery, electrical motor and water pump," Energy, Elsevier, vol. 28(12), pages 1165-1181.
    3. Imran, Ahmed Abdulnabi & Jalil, Jalal M. & Ahmed, Sabah T., 2015. "Induced flow for ventilation and cooling by a solar chimney," Renewable Energy, Elsevier, vol. 78(C), pages 236-244.
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    Cited by:

    1. Emad Abdelsalam & Feras Kafiah & Malek Alkasrawi & Ismael Al-Hinti & Ahmad Azzam, 2020. "Economic Study of Solar Chimney Power-Water Distillation Plant (SCPWDP)," Energies, MDPI, vol. 13(11), pages 1-14, June.
    2. Francesco Calise & Mário Costa & Qiuwang Wang & Xiliang Zhang & Neven Duić, 2018. "Recent Advances in the Analysis of Sustainable Energy Systems," Energies, MDPI, vol. 11(10), pages 1-30, September.

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