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Noise Generated by an Airfoil Located in the Wake of a Circular Cylinder

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Progress in Hybrid RANS-LES Modelling

Part of the book series: Notes on Numerical Fluid Mechanics and Multidisciplinary Design ((NNFM,volume 130))

Abstract

In this paper, a problem involving noise radiation from a bluff body is solved numerically using a hybrid RANS-LES method. In particular the problem of noise radiated by an airfoil leading edge located in the wake of a circular cylinder is addressed. Our results compare well to experimental measurements and other CFD computations. It is found that the hybrid RANS-LES method is able to resolve enough turbulent scales to compute the nearfield noise spectra and the directivity pattern. Our CFD results indicate that the coherent structures are responsible for the peak Strouhal number in the spectra.

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Authors and Affiliations

  1. MAE Department, Uahuntsville, Huntsville, AL, 35899, USA

    Man Zhang & Abdelkader Frendi

Authors
  1. Man Zhang
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  2. Abdelkader Frendi
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Corresponding author

Correspondence to Abdelkader Frendi .

Editor information

Editors and Affiliations

  1. Aerospace Engineering Department, Texas A&M University, College State, Texas, USA

    Sharath Girimaji

  2. Werner Haase Aeronautics Consultants, Neubiberg, Bayern, Germany

    Werner Haase

  3. Div Information & Aeronautical Syst, Swedish Defence Research Agency FOI, Stockholm, Sweden

    Shia-Hui Peng

  4. Center of Computer Applications in Aerospace Science and Engineering, DLR, Institut für Aerodynamik und Strömungstechnik, Göttingen, Germany

    Dieter Schwamborn

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© 2015 Springer International Publishing Switzerland

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Zhang, M., Frendi, A. (2015). Noise Generated by an Airfoil Located in the Wake of a Circular Cylinder. In: Girimaji, S., Haase, W., Peng, SH., Schwamborn, D. (eds) Progress in Hybrid RANS-LES Modelling. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 130. Springer, Cham. https://doi.org/10.1007/978-3-319-15141-0_40

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  • DOI: https://doi.org/10.1007/978-3-319-15141-0_40

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-15140-3

  • Online ISBN: 978-3-319-15141-0

  • eBook Packages: EngineeringEngineering (R0)

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