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Analysis of Two-Dimensional Airfoil Models as Harvesters of Energy

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Congress on Research, Development and Innovation in Renewable Energies

Part of the book series: Green Energy and Technology ((GREEN))

Abstract

The use of airfoils that describe heave and pitching movements simultaneously to extract energy from oncoming fluid, as a turbine, is one of the promising concepts in renewable energy. In the present study, the efficiency of two airfoils or “wings” such as NACA 0020 and NACA 1412 to extract energy from oncoming water is investigated while they move through steady laminar (Re = 735, Re  = 1100). Ansys Fluent is the software used for simulating in which a programming code in C language is developed and applied to airfoils in order to achieve the oscillatory movement. By other side, theory of feathering parameter χ > 1 is applied as a necessary condition for power-extraction regime. Therefore, values between 1 < χ < 2.5 were tested. In addition, the study of effects on parameters when vary nondimensional frequency 0 < f∗ < 0.30 and heaving amplitude 0.25 · chord ≤ H0 ≤ 1 · chord, when Re = 735, and pitching axis is located at 33% of the chord length are presented as well as a mapping of efficiency for both airfoils. The results obtained due to variation on parameters are discussed, hoping to have an efficiency greater than 10% for both airfoils and greater than 30% when Ho/chord = 0.5.

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Author information

Authors and Affiliations

  1. DINAVALE, Daule, Ecuador

    Luis Gonzaga-Bermeo

  2. University of Strathclyde, Naval Architecture, Ocean, & Marine Engineering, Glasgow, UK

    Luis Gonzaga-Bermeo

  3. Facultad de Ingenieria Mecanica y Ciencias de la Produccion, Escuela Superior Politecnica del Litoral, ESPOL, Guayaquil, Ecuador

    Carlos A. Cuenca

  4. Department of Naval Architecture and Ocean Engineering, University of São Paulo, São Paulo, Brazil

    Carlos A. Cuenca

Authors
  1. Luis Gonzaga-Bermeo
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  2. Carlos A. Cuenca
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Corresponding author

Correspondence to Luis Gonzaga-Bermeo .

Editor information

Editors and Affiliations

  1. Faculty of Mechanical Engineering and Production Science, Escuela Superior Politecnica del Litoral, Guayaquil, Ecuador

    Mayken Espinoza-Andaluz

  2. Energy Sciences, Lund University, Lund, Sweden

    Martin Andersson

  3. School of Materials and Energy, University of Electronic Science and Science and Technology of China, Chengdu, Sichuan, China

    Tingshuai Li

  4. Faculty of Mechanical Engineering and Production Science, Escuela Superior Politecnica del Litoral, Guayaquil, Ecuador

    Jordy Santana Villamar

  5. Faculty of Mechanical Engineering and Production Science, Escuela Superior Politecnica del Litoral, Guayaquil, Ecuador

    Ángel Encalada Dávila

  6. Faculty of Social and Humanistic Science, Escuela Superior Politecnica del Litoral, Guayaquil, Ecuador

    Ester Melo Vargas

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Gonzaga-Bermeo, L., Cuenca, C.A. (2022). Analysis of Two-Dimensional Airfoil Models as Harvesters of Energy. In: Espinoza-Andaluz, M., Andersson, M., Li, T., Santana Villamar, J., Encalada Dávila, Á., Melo Vargas, E. (eds) Congress on Research, Development and Innovation in Renewable Energies. Green Energy and Technology. Springer, Cham. https://doi.org/10.1007/978-3-030-97862-4_7

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  • DOI: https://doi.org/10.1007/978-3-030-97862-4_7

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-97861-7

  • Online ISBN: 978-3-030-97862-4

  • eBook Packages: EnergyEnergy (R0)

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