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Turbulence Modelling of Strongly Detached Unsteady Flows: The Circular Cylinder

  • A. Revell
  • T. Craft
  • D. Laurence
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 97)

Abstract

This paper reports the predictions of three turbulence modelling schemes in the application to the flow around a circular cylinder in a square duct. A URANS scheme known as the Stress-Strain Lag model has been developed in the DESider project, specifically to capture the effects of stress-strain misalignment observed in unsteady mean turbulent flows (Revell, 2006). Coupling of the Lag model with the popular k -ω SST model, to form the so-called SST-Cas model, has been shown to incorporate some of the advantages of a full Reynolds Stress transport Model (RSM), whilst retaining the efficiency and stability benefits of a eddy viscosity model (EVM) (Revell et al., 2006, 2007).

This paper first presents 2-D results of the cylinder case, before examining the fully 3-D case, which is also calculated using the SST-DES approach.

Keywords

Particle Image Velocimetry Circular Cylinder Particle Image Velocimetry Data Eddy Viscosity Model Detach Eddy Simulation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • A. Revell
    • 1
  • T. Craft
    • 1
  • D. Laurence
    • 1
    • 2
  1. 1.University of ManchesterUK
  2. 2.EDFFrance

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