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Calculation of Flow in Mixing Vessels With Various Turbulence Models

[+] Author Affiliations
Branislav Basara

AVL List GmbH, Graz, Austria

Ales Alajbegovic

AVL Powertrain Engineering, Inc., Plymouth, MI

Decan Beader

AVL-AST, FS-LFDT, Ljubljana, Slovenia

Paper No. HT-FED2004-56260, pp. 805-810; 6 pages
doi:10.1115/HT-FED2004-56260
From:
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 4
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4693-8 | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME

abstract

The paper presents calculations of flow in a mixing vessel stirred by a six-blade Rushton impeller. Mathematical model used in computations is based on the ensemble averaged conservation equations. An efficient finite-volume method based on unstructured grids with rotating sliding parts composed of arbitrary polyhedral elements is used together with various turbulence models. Besides the standard k-ε model which served as a reference, k-ε-v2 model (Durbin, 1995) and the recently proposed hybrid EVM/RSM turbulence model (Basara & Jakirlic, 2003) were used in the calculations. The main aim of the paper is to investigate if more advanced turbulence models are needed for this type of CFD applications. The results are compared with the available experimental data.

Copyright © 2004 by ASME

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