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An Advanced Unstructured-Grid Finite-Volume Design System for Gas Turbine Combustion Analysis

[+] Author Affiliations
M. S. Anand, J. Zhu

Rolls-Royce, Indianapolis, IN

R. Eggels, M. Staufer

Rolls-Royce, Blankenfelde-Mahlow, Germany

M. Zedda

Rolls-Royce, Derby, UK

Paper No. GTINDIA2013-3537, pp. V001T03A003; 12 pages
  • ASME 2013 Gas Turbine India Conference
  • ASME 2013 Gas Turbine India Conference
  • Bangalore, Karnataka, India, December 5–6, 2013
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-5616-1
  • Copyright © 2013 by Rolls-Royce plc


A general-purpose combustion Computational Fluid Dynamics (CFD) design analysis tool has been developed. The method is pressure-based and applicable to both incompressible and compressible flows. The unstructured finite-volume approach used can take arbitrary shapes of mesh cells to resolve complicated geometries. Turbulence is simulated either by Reynolds-Averaged Navier-Stokes (RANS) or by Large Eddy Simulation (LES) approaches. Combustion is modeled by various combinations of combustion chemistry and combustion-turbulence models including transport probability density function (PDF) model. A Lagrangian approach is used to simulate fuel spray droplet. The resulting tool has being used in routine combustor simulations for a variety of commercial and military combustor development programs. Application examples presented include simulations of several combustors and comparisons with available rig data.

Copyright © 2013 by Rolls-Royce plc



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