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Study of the bucket design effect on the turbulent flow around unconventional Savonius wind rotors

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  • Driss, Zied
  • Mlayeh, Olfa
  • Driss, Slah
  • Driss, Dorra
  • Maaloul, Makram
  • Abid, Mohamed Salah

Abstract

In this paper, numerical investigations were carried out to study the bucket design effect on the turbulent flow around unconventional Savonius wind rotors. The numerical model is based on the resolution of the Navier–Stokes equations in conjunction with the standard k-ε turbulence model. These equations were solved by a finite volume discretization method. The software “Solidworks Flow simulation” has been used to characterise the flow characteristics in different transverse and longitudinal planes. Experimental results are conducted on an open wind tunnel equipped by an incurved Savonius wind rotor. The good agreement between numerical and experimental results confirms the validity of the numerical method.

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  • Driss, Zied & Mlayeh, Olfa & Driss, Slah & Driss, Dorra & Maaloul, Makram & Abid, Mohamed Salah, 2015. "Study of the bucket design effect on the turbulent flow around unconventional Savonius wind rotors," Energy, Elsevier, vol. 89(C), pages 708-729.
    • Handle: RePEc:eee:energy:v:89:y:2015:i:c:p:708-729
    DOI: 10.1016/j.energy.2015.06.023
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    References listed on IDEAS

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    Cited by:

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    4. Frikha, Sobhi & Driss, Zied & Ayadi, Emna & Masmoudi, Zied & Abid, Mohamed Salah, 2016. "Numerical and experimental characterization of multi-stage Savonius rotors," Energy, Elsevier, vol. 114(C), pages 382-404.
    5. Chan, C.M. & Bai, H.L. & He, D.Q., 2018. "Blade shape optimization of the Savonius wind turbine using a genetic algorithm," Applied Energy, Elsevier, vol. 213(C), pages 148-157.
    6. Payambarpour, S. Abdolkarim & Najafi, Amir F. & Magagnato, Franco, 2020. "Investigation of deflector geometry and turbine aspect ratio effect on 3D modified in-pipe hydro Savonius turbine: Parametric study," Renewable Energy, Elsevier, vol. 148(C), pages 44-59.
    7. Abdelaziz, Khaled R. & Nawar, Mohamed A.A. & Ramadan, Ahmed & Attai, Youssef A. & Mohamed, Mohamed H., 2023. "Performance assessment of a modified of Savonius rotor: Impact of sine and conical blade profiles," Energy, Elsevier, vol. 272(C).
    8. Ayadi, Ahmed & Bouabidi, Abdallah & Driss, Zied & Abid, Mohamed Salah, 2018. "Experimental and numerical analysis of the collector roof height effect on the solar chimney performance," Renewable Energy, Elsevier, vol. 115(C), pages 649-662.
    9. Montelpare, Sergio & D'Alessandro, Valerio & Zoppi, Andrea & Ricci, Renato, 2018. "Experimental study on a modified Savonius wind rotor for street lighting systems. Analysis of external appendages and elements," Energy, Elsevier, vol. 144(C), pages 146-158.
    10. Cuevas-Carvajal, N. & Cortes-Ramirez, J.S. & Norato, Julian A. & Hernandez, C. & Montoya-Vallejo, M.F., 2022. "Effect of geometrical parameters on the performance of conventional Savonius VAWT: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 161(C).
    11. Driss, Zied & Mlayeh, Olfa & Driss, Slah & Maaloul, Makram & Abid, Mohamed Salah, 2016. "Study of the incidence angle effect on the aerodynamic structure characteristics of an incurved Savonius wind rotor placed in a wind tunnel," Energy, Elsevier, vol. 113(C), pages 894-908.

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