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IUTAM Symposium on Flow Control and MEMS pp 237–242Cite as

Enhancement of Suboptimal Controllability in Wall Turbulence

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Part of the book series: IUTAM Bookseries ((IUTAMBOOK,volume 7))

Abstract

The wall turbulence is forced to a predictable state through localized time-periodical blowing. It is shown through experiments and direct numerical simulations that the temporal waveform of the localized blowing plays a crucial role in the response of turbulent wall drag. Imposed unsteadiness increases the capacity of the controllability significantly. Results on the optimum periodical temporal waveform of localized blowing are also discussed. We use the characteristics of the cyclostationnarity to achieve this particular goal.

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References

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Author information

Authors and Affiliations

  1. Laboratoire des Ecoulements Géophysiques et Industriels, UMR CNRS UJF INPG, BP 53, 38041, Grenoble Cedex, France

    Olivier Doche, Sedat Tardu & Vincent Kubicki

Authors
  1. Olivier Doche
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  2. Sedat Tardu
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  3. Vincent Kubicki
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Editor information

Editors and Affiliations

  1. Department of Aeronautics, Imperial College, London, England

    J. F. Morrison , D. M. Birch  & P. Lavoie ,  & 

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© 2008 Springer

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Doche, O., Tardu, S., Kubicki, V. (2008). Enhancement of Suboptimal Controllability in Wall Turbulence. In: Morrison, J.F., Birch, D.M., Lavoie, P. (eds) IUTAM Symposium on Flow Control and MEMS. IUTAM Bookseries, vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6858-4_28

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  • DOI: https://doi.org/10.1007/978-1-4020-6858-4_28

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-6857-7

  • Online ISBN: 978-1-4020-6858-4

  • eBook Packages: EngineeringEngineering (R0)

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