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Phase Average Visualization of a Finite Cylinder Wake as Predicted by Large Eddy Simulation

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Fluid-Structure-Sound Interactions and Control

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

The current paper reports a large eddy simulation (LES) of turbulent flow over a finite-height square cylinder mounted normal to a ground plane. The cylinder aspect ratio is AR = 3 and the Reynolds number based on the cylinder width and inlet velocity is Re = 500. The flow field is complex, since the flow over the top of the cylinder interacts with the flow along the ground plane to create a complicated wake structure. The wake is characterized by a velocity field that changes rapidly in both direction and magnitude. Phase averaging based on the Strouhal number reveals a wake structure with quasi-periodic features that is much different from the structure suggested by the mean vorticity field.

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References

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, Saskatchewan, S7N 5A9, Canada

    N. Moazamigoodarzi, D. J. Bergstrom, M. Einian & D. Sumner

Authors
  1. N. Moazamigoodarzi
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  2. D. J. Bergstrom
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  3. M. Einian
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  4. D. Sumner
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Corresponding author

Correspondence to D. J. Bergstrom .

Editor information

Editors and Affiliations

  1. The Hong Kong Polytechnic University, Hong Kong, People's Republic of China

    Yu Zhou

  2. The Hong Kong Polytechnic University, Hong Kong, People's Republic of China

    Yang Liu

  3. The University of Hong Kong, Hong Kong, People's Republic of China

    Lixi Huang

  4. Georgia Institute of Technology, Atlanta, Georgia, USA

    Dewey H. Hodges

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© 2014 Springer-Verlag Berlin Heidelberg

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Cite this paper

Moazamigoodarzi, N., Bergstrom, D.J., Einian, M., Sumner, D. (2014). Phase Average Visualization of a Finite Cylinder Wake as Predicted by Large Eddy Simulation. In: Zhou, Y., Liu, Y., Huang, L., Hodges, D. (eds) Fluid-Structure-Sound Interactions and Control. Lecture Notes in Mechanical Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40371-2_9

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  • DOI: https://doi.org/10.1007/978-3-642-40371-2_9

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-40370-5

  • Online ISBN: 978-3-642-40371-2

  • eBook Packages: EngineeringEngineering (R0)

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