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Reliability of Wall Shear Stress Estimations in Front of a Wall-Mounted Cylinder

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Direct and Large-Eddy Simulation X

Part of the book series: ERCOFTAC Series ((ERCO,volume 24))

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Abstract

We investigate the flow around a circular cylinder mounted on a flat plate which has attracted attention due to a number of effects. Our focus is on modeling erosion rates during scour evolution around a cylindrical bridge pier in a river bed. Current models of sediment erosion rates use the average wall shear stress acting on sediment grains. We aim at understanding how instantaneous shear stress fluctuations affect the erosion rates, how they can be used in erosion rate modeling and how instantaneous and average wall shear stresses scale with Reynolds number. To do so, the wall shear stresses around a wall-mounted cylinder have to be estimated first.

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Authors and Affiliations

  1. Chair of Hydromechanics, Arcisstr. 21, 80333, München, Germany

    Wolfgang Schanderl & Michael Manhart

Authors
  1. Wolfgang Schanderl
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  2. Michael Manhart
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Corresponding author

Correspondence to Wolfgang Schanderl .

Editor information

Editors and Affiliations

  1. Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, Cyprus

    Dimokratis G.E. Grigoriadis

  2. Multiscale Modeling and Simulation, University of Twente, Enschede, The Netherlands

    Bernard J. Geurts

  3. Department of Mechanical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands

    Hans Kuerten

  4. Institute of Fluid Mechanics, Technische Universität Dresden, Dresden, Germany

    Jochen Fröhlich

  5. Dipartimento di Ingegneria e Architettura, Università di Trieste, Trieste, Italy

    Vincenzo Armenio

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Schanderl, W., Manhart, M. (2018). Reliability of Wall Shear Stress Estimations in Front of a Wall-Mounted Cylinder. In: Grigoriadis, D., Geurts, B., Kuerten, H., Fröhlich, J., Armenio, V. (eds) Direct and Large-Eddy Simulation X. ERCOFTAC Series, vol 24. Springer, Cham. https://doi.org/10.1007/978-3-319-63212-4_8

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  • DOI: https://doi.org/10.1007/978-3-319-63212-4_8

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-63211-7

  • Online ISBN: 978-3-319-63212-4

  • eBook Packages: EngineeringEngineering (R0)

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