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SUPG/PSPG Computational Analysis of Rain Erosion in Wind-Turbine Blades

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Advances in Computational Fluid-Structure Interaction and Flow Simulation

Abstract

Wind-turbine blades exposed to rain can be damaged by erosion if not protected. Although this damage does not typically influence the structural response of the blades, it could heavily degrade the aerodynamic performance, and therefore the power production. We present a method for computational analysis of rain erosion in wind-turbine blades. The method is based on a stabilized finite element fluid mechanics formulation and a finite element particle-cloud tracking method. Accurate representation of the flow would be essential in reliable computational turbomachinery analysis and design. The turbulent-flow nature of the problem is dealt with a RANS model and SUPG/PSPG stabilization, the particle-cloud trajectories are calculated based on the flow field and closure models for the turbulence–particle interaction, and one-way dependence is assumed between the flow field and particle dynamics. The erosion patterns are then computed based on the particle-cloud data.

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Acknowledgements

The authors acknowledge MIUR support under the project Ateneo and the Visiting Professor Programme at University of Rome “La Sapienza.” The authors also acknowledge support from SED (Soluzioni per l’Energia e la Diagnostica) and Waseda University, Department of Modern Mechanical Engineering.

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Authors and Affiliations

  1. Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza University of Rome, Via Eudossiana, 18, I-00184, Rome, Italy

    Alessio Castorrini, Alessandro Corsini, Franco Rispoli & Paolo Venturini

  2. Department of Modern Mechanical Engineering, Waseda University, 1-6-1 Nishi-Waseda, Shinjuku-ku, Tokyo, 169-8050, Japan

    Kenji Takizawa

  3. Mechanical Engineering, Rice University – MS 321, 6100 Main Street, Houston, TX, 77005, USA

    Tayfun E. Tezduyar

Authors
  1. Alessio Castorrini
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  2. Alessandro Corsini
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  3. Franco Rispoli
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  4. Paolo Venturini
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  5. Kenji Takizawa
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  6. Tayfun E. Tezduyar
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Corresponding author

Correspondence to Alessandro Corsini .

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Editors and Affiliations

  1. Department of Structural Engineering, University of California, San Diego, La Jolla, California, USA

    Yuri Bazilevs

  2. Department of Modern Mechanical Engineering, Waseda University, Tokyo, Japan

    Kenji Takizawa

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Castorrini, A., Corsini, A., Rispoli, F., Venturini, P., Takizawa, K., Tezduyar, T.E. (2016). SUPG/PSPG Computational Analysis of Rain Erosion in Wind-Turbine Blades. In: Bazilevs, Y., Takizawa, K. (eds) Advances in Computational Fluid-Structure Interaction and Flow Simulation. Modeling and Simulation in Science, Engineering and Technology. Birkhäuser, Cham. https://doi.org/10.1007/978-3-319-40827-9_7

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