Predictive Capability Assessment of the PANS-\(\zeta \)-f Model of Turbulence. Part II: Application to Swirling and Tumble/Mean-Compression Flows

  • C. -Y. Chang
  • S. JakirlicEmail author
  • B. Basara
  • C. Tropea
Conference paper
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 130)


The present work is concerned with the application of the PANS-\(\zeta \)-f (Partially-Averaged Navier-Stokes) variable resolution model by Basara et al. (AIAA J 49:2627–2636, 2011), formulated in conjunction with the universal wall treatment, to the process of generation and destruction of a tumbling vortex in a square-piston compression machine (investigated experimentally by Borée et al. Phys Fluids 14:2543–2556, 2002) and the swirling flow in a tube generated by two tangential inlets with the outlet geometry resembling an orifice with an eccentrically positioned opening (reference experiment is by Grundmann et al. Int J Heat Fluid Flow 37:51–63, 2012). In addition, the complementary RANS computations (by using the \(\zeta -\textit{f}\) model of Hanjalic et al. Int. J. Heat Fluid Flow 25:1047–1051, 2004), representing also the background RANS formulation in the present PANS model) and LES (in conjunction with the Standard Smagorinsky subgrid-scale model) of both configurations are performed. The PANS-\(\zeta \)-f model description and its preliminary validation by simulating a fully-developed channel flow and a separating flow over a series of axisymmetric hill-shaped constrictions are given in a companion article by Chang et al. (5th International Symposium on Hybrid RANS-LES Methods, 2014)


Vortex Core Swirl Generator Compression Stroke Crank Angle Kolmogorov Length Scale 
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The financial support of the AVL List GmbH, Graz, Austria is gratefully acknowledged. Our special thanks go to S. Grundmann and F. Wassermann (swirling tube) and J. Borée (tumbling vortex compression) for making their experimental data available.


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • C. -Y. Chang
    • 1
  • S. Jakirlic
    • 1
    Email author
  • B. Basara
    • 2
  • C. Tropea
    • 1
  1. 1.Institute of Fluid Mechanics and Aerodynamics/Center of Smart Interfaces Technische Universität DarmstadtDarmstadtGermany
  2. 2.Advanced Simulation Technologies—ASTAVL List GmbHGrazAustria

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