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The paper presents 1 the numerical results of RANS Reynolds Averaging Navier-Stokes simulations for two versions of the premixed combustion GE10 burners: the old one with non-premixed and modified one with swirled premixed pilot flames; and 2 the numerical results of joint RANS-LES Large Eddy Simulation modelling of the ONERA model burner and a simplified GE10 combustor. The original joint RANS-LES approach is based on using the Kolmogorov theory for modelling sub-grid turbulence and combustion intensity and using RANS numerical results for closure the LES model equations. The main conclusion is that developed joint RANS-LES approch is the efficient timesaving tool for simulations both the average and instantaneous fields of parameters in gas turbine and boiler burners with premixed combustion.

KEYWORDS

Turbulent Premixed Combustion, Gas Turbine Burner, Joint RANS-LES Simulation

Cite this paper

V. Battaglia, R. Modi, V. Moreu and V. Zimont -RANS and LES Modeling of the GE10 Burner,- Energy and Power Engineering, Vol. 3 No. 5, 2011, pp. 607-615. doi: 10.4236-epe.2011.35076.





Author: Valerio Battaglia, Roberto Modi, Vincent Moreu, Vladimir Zimont

Source: http://www.scirp.org/



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