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Comparison of cylindrical and conical basins with optimum position of runner: Gravitational water vortex power plant

Author

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  • Dhakal, Sagar
  • Timilsina, Ashesh B.
  • Dhakal, Rabin
  • Fuyal, Dinesh
  • Bajracharya, Tri R.
  • Pandit, Hari P.
  • Amatya, Nagendra
  • Nakarmi, Amrit M.

Abstract

Demand of energy is ever increasing, especially in developing countries. Renewable energy such as hydropower has become one of the most demanded sources of energy for its clean generation. Low head hydropower plant is demanded in area which cannot see grid extension due to difficult geographical terrain and other reasons. Gravitational water vortex power plant is one of such low head turbine in which the mechanical energy of free surface flowing water is converted to kinetic energy by tangentially passing the water to a basin, which forms a water vortex. This study is the analysis of different basin structures which has ability to form a gravitational vortex stream from low head, low flow water streams with the optimum runner position in the basin to maximize the output power. The analysis was first carried out by development of the model using CAD software, SolidWorks and it was simulated in commercial CFD code ANSYS Fluent for the measurement of velocity. Secondly, the result so obtained was experimentally verified by measuring the output power.

Suggested Citation

  • Dhakal, Sagar & Timilsina, Ashesh B. & Dhakal, Rabin & Fuyal, Dinesh & Bajracharya, Tri R. & Pandit, Hari P. & Amatya, Nagendra & Nakarmi, Amrit M., 2015. "Comparison of cylindrical and conical basins with optimum position of runner: Gravitational water vortex power plant," Renewable and Sustainable Energy Reviews, Elsevier, vol. 48(C), pages 662-669.
    • Handle: RePEc:eee:rensus:v:48:y:2015:i:c:p:662-669
    DOI: 10.1016/j.rser.2015.04.030
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    References listed on IDEAS

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    2. Saleem, Abdul Samad & Cheema, Taqi Ahmad & Ullah, Rizwan & Ahmad, Sarvat Mushtaq & Chattha, Javed Ahmad & Akbar, Bilal & Park, Cheol Woo, 2020. "Parametric study of single-stage gravitational water vortex turbine with cylindrical basin," Energy, Elsevier, vol. 200(C).
    3. Tayyab, Muhammad & Cheema, Taqi Ahmad & Malik, Muhammad Sohail & Muzaffar, Atif & Sajid, Muhammad Bilal & Park, Cheol Woo, 2020. "Investigation of thermal energy exchange potential of a gravitational water vortex," Renewable Energy, Elsevier, vol. 162(C), pages 1380-1398.
    4. Edirisinghe, Dylan S. & Yang, Ho-Seong & Gunawardane, S.D.G.S.P. & Lee, Young-Ho, 2022. "Enhancing the performance of gravitational water vortex turbine by flow simulation analysis," Renewable Energy, Elsevier, vol. 194(C), pages 163-180.
    5. Piyawat Sritram & Ratchaphon Suntivarakorn, 2021. "The Efficiency Comparison of Hydro Turbines for Micro Power Plant from Free Vortex," Energies, MDPI, vol. 14(23), pages 1-13, November.
    6. Velásquez, Laura & Posada, Alejandro & Chica, Edwin, 2023. "Surrogate modeling method for multi-objective optimization of the inlet channel and the basin of a gravitational water vortex hydraulic turbine," Applied Energy, Elsevier, vol. 330(PB).
    7. Velásquez, Laura & Posada, Alejandro & Chica, Edwin, 2022. "Optimization of the basin and inlet channel of a gravitational water vortex hydraulic turbine using the response surface methodology," Renewable Energy, Elsevier, vol. 187(C), pages 508-521.
    8. Ahn, Soo-Hwang & Xiao, Yexiang & Wang, Zhengwei & Zhou, Xuezhi & Luo, Yongyao, 2017. "Numerical prediction on the effect of free surface vortex on intake flow characteristics for tidal power station," Renewable Energy, Elsevier, vol. 101(C), pages 617-628.
    9. Nosare Maika & Wenxian Lin & Mehdi Khatamifar, 2023. "A Review of Gravitational Water Vortex Hydro Turbine Systems for Hydropower Generation," Energies, MDPI, vol. 16(14), pages 1-39, July.
    10. Edirisinghe, Dylan S. & Yang, Ho-Seong & Gunawardane, S.D.G.S.P. & Alkhabbaz, Ali & Tongphong, Watchara & Yoon, Min & Lee, Young-Ho, 2023. "Numerical and experimental investigation on water vortex power plant to recover the energy from industrial wastewater," Renewable Energy, Elsevier, vol. 204(C), pages 617-634.
    11. Nishi, Yasuyuki & Suzuo, Ryouta & Sukemori, Daichi & Inagaki, Terumi, 2020. "Loss analysis of gravitation vortex type water turbine and influence of flow rate on the turbine’s performance," Renewable Energy, Elsevier, vol. 155(C), pages 1103-1117.
    12. Dennis Powalla & Stefan Hoerner & Olivier Cleynen & Nadine Müller & Jürgen Stamm & Dominique Thévenin, 2021. "A Computational Fluid Dynamics Model for a Water Vortex Power Plant as Platform for Etho- and Ecohydraulic Research," Energies, MDPI, vol. 14(3), pages 1-14, January.

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