Advertisement

Accuracy of Large-Eddy Simulation of Premixed Turbulent Combustion

  • A. W. Vreman
  • R. J. M. Bastiaans
  • B. J. Geurts
Part of the Ercoftac Series book series (ERCO, volume 12)

Abstract

The accuracy of large-eddy simulation (LES) of a turbulent premixed Bunsen flame is investigated in this paper. To distinguish between discretization and modeling errors, multiple large-eddy simulations, using different grid size h but the same filterwidth Δ, are compared with the direct numerical simulation (DNS). In addition, large-eddy simulations using multiple Δ but the same ratio Δ/h are compared. The chemistry in the LES and DNS is parametrized with the standard steady premixed flamelet for stochiometric methane-air combustion. The subgrid terms are closed with an eddy-viscosity or eddy-diffusivity approach, with an exception of the dominant subgrid term, which is the subgrid part of the chemical source term. The latter subgrid contribution is modeled by a similarity model based upon Δ, which is found to be superior to such a model based upon Δ. Using the 2Δ similarity model for the subgrid chemistry the LES produces good results, certainly in view of the fact that the LES is completely wrong if the subgrid chemistry model is omitted. The grid refinements of the LES show that the results for Δ = h do depend on the numerical scheme, much more than for h = Δ/2 and h = Δ/4. Nevertheless, modeling errors and discretization error may partially cancel each other; occasionally the Δ = h results were more accurate than the h ≤ Δ results.

Keywords

Large-eddy simulation Accuracy tests Turbulent combustion Premixed flamelets 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Reference

  1. 1.
    Peters N (2000) Turbulent Combustion, Cambridge University Press, CambridgeMATHCrossRefGoogle Scholar
  2. 2.
    Van Oijen JA, De Goey LPH (2000) Modelling of premixed laminar flames using flamelet-generated manifolds. Combust Sci Tech 161:113–137CrossRefGoogle Scholar
  3. 3.
    Van Oijen JA (2002) Flamelet-generated manifolds: evelopment and application to premixed laminar flames. PhD Thesis, University of Technology EindhovenGoogle Scholar
  4. 4.
    Pitsch H, Steiner H (2000) Large-eddy simulation of a turbulent piloted methane/air diffusion flame (Sandia flame D). Phys Fluids 12:2541–2554CrossRefADSGoogle Scholar
  5. 5.
    Pierce CD, Moin P (2004) Progress-variable approach for large-eddy simulation of non-premixed turbulent combustion. J Fluid Mech 504:73–97MATHCrossRefADSMathSciNetGoogle Scholar
  6. 6.
    Domingo P, Vervisch L, Payet S, Hauguel R (2005) DNS of a premixed turbulent V flame and LES of a ducted flame using a FSD-PDF subgrid scale closure with FPI-tabulated chemistry. Comb Flame 143:566–586CrossRefGoogle Scholar
  7. 7.
    Vreman B, Geurts B, Kuerten H (1996) Comparison of numerical schemes in large-eddy simulation of the temporal mixing layer. Int J Num Meth Fluids 22:297–311MATHCrossRefGoogle Scholar
  8. 8.
    Meyers J, Geurts BJ, Baelmans M (2003) Database analysis of errors in large-eddy simulation, Phys Fluids 15:2740–2755Google Scholar
  9. 9.
    Filatyev SA, Driscoll JF, Carter CD, Donbar JM (2005) Measured properties of turbulent premixed flames for model assessment, including burning velocities, stretch rates, and surface densities. Comb Flame 141:1–21CrossRefGoogle Scholar
  10. 10.
    Bell JB, Day MS, Grcar JF, Lijewski MJ, Driscoll JF, Filatyev SA (2007) Numerical simulation of a laboratory-scale turbulent slot flame. Proc Comb Inst 31:1299–1307CrossRefGoogle Scholar
  11. 11.
    Smooke MD, Giovangigli V (1991) Formulation of the premixed and nonpremixed test problems. In: Smooke MD (ed) Reduced kinetic mechanisms and asymptotic approximations for methane-air flames. Springer Verlag, Berlin, 1–28Google Scholar
  12. 12.
    Vreman AW (2004) An eddy-viscosity model for turbulent shear-flow: algebraic theory and applications. Phys Fluids 16:3670–3681CrossRefADSGoogle Scholar
  13. 13.
    Geurts BJ (2006) Regularization modeling for large-eddy simulation of diffusion flames. Proceedings ECCOMAS CFD 2006, Delft University of TechnologyGoogle Scholar
  14. 14.
    Bardina J, Ferziger JH, Reynolds WC (1984) Improved turbulence models based on LES of homogeneous incompressible turbulent flows. Department of Mechanical Engineering, Report No TF-19, StanfordGoogle Scholar
  15. 15.
    Stolz S, Adams NA, Kleiser L (2001) An approximate deconvolution model for large-eddy simulation with application to incompressible wall-bounded flows. Phys Fluids 13:997–1015CrossRefADSGoogle Scholar
  16. 16.
    Vreman AW, van Oijen JA, de Goey LPH, Bastiaans RJM (2007) Large-eddysimulation of turbulent combustion using premixed flamelet chemistry. Proceedings 2nd ECCOMAS Thematic Conference on Computational Combustion, Delft University of TechnologyGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • A. W. Vreman
    • 1
    • 2
  • R. J. M. Bastiaans
    • 1
  • B. J. Geurts
    • 3
    • 4
  1. 1.Combustion Technology Department of Mechanical EngineeringEindhoven University of Technology5600 MB Eindhoven
  2. 2.Vreman Research7552 NT Hengelo
  3. 3.Mathematical SciencesUniversity of Twente7500 AE Enschede
  4. 4.Applied Physics Eindhoven University of Technology5600 MB

Personalised recommendations