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Towards Multi-Component Analysis of Gas Turbines by CFD: Integration of RANS and LES Flow Solvers

[+] Author Affiliations
Jörg Schlüter, Heinz Pitsch, Parviz Moin

Center for Turbulence Research, Stanford, CA

Sriram Shankaran, Sangho Kim, Juan Alonso

Aerospace Computing Lab, Stanford, CA

Paper No. GT2003-38350, pp. 101-109; 9 pages
doi:10.1115/GT2003-38350
From:
  • ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference
  • Volume 1: Turbo Expo 2003
  • Atlanta, Georgia, USA, June 16–19, 2003
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-3684-3 | eISBN: 0-7918-3671-1
  • Copyright © 2003 by ASME

abstract

The numerical prediction of the entire aero-thermal flow through an entire gas turbine is currently limited by its high computational costs. The approach presented here intends to use several specialized flow solvers based on the Reynolds-averaged Navier-Stokes equations (RANS) as well as Large Eddy Simulations (LES) running simultaneously and exchanging information at the interfaces. This study documents the development of the interface and proves its accuracy and efficiency on simple test-cases.

Copyright © 2003 by ASME

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