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DNS of Compressible Turbulent Flows

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Direct and Large-Eddy Simulation VII

Part of the book series: ERCOFTAC Series ((ERCO,volume 13))

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Abstract

In the first part of this paper direct numerical simulation (DNS) is used to explore similarities and differences between fully developed supersonic turbulent plane channel and axisymmetric pipe flow bounded by isothermal walls. The comparison is based on equal friction Mach and Reynolds numbers. In the second part a comparison between supersonic turbulent nozzle and diffuser flow is undertaken based on DNS, with the aim to better understand the basic physics of these non-equilibrium flows which develop from upstream fully developed supersonic pipe flow. We focus on effects of mean extra rate of strain and mean dilatation on the axial Reynolds stress, the turbulence production and redistribution mechanisms.

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Author information

Authors and Affiliations

  1. Lehrstuhl für Aerodynamik, Technische Universität München, D-85748, Garching, Germany

    Rainer Ghosh & Somnath Ghosh

Authors
  1. Rainer Ghosh
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  2. Somnath Ghosh
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Corresponding author

Correspondence to Rainer Ghosh .

Editor information

Editors and Affiliations

  1. Dipto. Ingegneria Civile e Ambientale, Università di Trieste, Via Valerio, Trieste, 34127, Italy

    Vincenzo Armenio

  2. Fac. Mathematical Sciences, University of Twente, Enschede, Netherlands

    Bernard Geurts

  3. Fak. Maschinenwesen, Inst. Energiemaschinen und, TU Dresden, George-Bähr-Str. 3, Dresden, 01062, Germany

    Jochen Fröhlich

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Ghosh, R., Ghosh, S. (2010). DNS of Compressible Turbulent Flows. In: Armenio, V., Geurts, B., Fröhlich, J. (eds) Direct and Large-Eddy Simulation VII. ERCOFTAC Series, vol 13. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3652-0_80

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  • DOI: https://doi.org/10.1007/978-90-481-3652-0_80

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-3651-3

  • Online ISBN: 978-90-481-3652-0

  • eBook Packages: EngineeringEngineering (R0)

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