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Transport and Diffusion in Boundary Layers of Turbulent Channel Flow

In: Reactive Flows, Diffusion and Transport

Author

Listed:
  • S. Sanwald

    (Universität Heidelberg, Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR))

  • J. v. Saldern

    (Universität Heidelberg, Physikalisch-Chemisches Institut (PCI))

  • U. Riedel

    (Universität Heidelberg, Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR))

  • C. Schulz

    (Universität Heidelberg, Physikalisch-Chemisches Institut (PCI))

  • J. Warnatz

    (Universität Heidelberg, Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR))

  • J. Wolfram

    (Universität Heidelberg, Physikalisch-Chemisches Institut (PCI))

Abstract

Summary To investigate the transport and the diffusion of scalars in a turbulent channel flow, direct numerical simulations (DNS) are performed and experiments with the same geometry have been set up to examine details of the near-wall region. Transport and diffusion are observed with flow-tagging methods. In one setup the deformation of a line of tracer-molecules, placed perpendicular to the flow direction, is investigated. Furthermore the seeding and detecting of tracer-molecules into the boundary layer has been realized in two different configurations, in order to investigate species transport between the bulk flow and the boundary layer.

Suggested Citation

  • S. Sanwald & J. v. Saldern & U. Riedel & C. Schulz & J. Warnatz & J. Wolfram, 2007. "Transport and Diffusion in Boundary Layers of Turbulent Channel Flow," Springer Books, in: Willi Jäger & Rolf Rannacher & Jürgen Warnatz (ed.), Reactive Flows, Diffusion and Transport, pages 419-432, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-28396-6_16
    DOI: 10.1007/978-3-540-28396-6_16
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