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TECHNICAL PAPERS: Gas Turbines: Combustion and Fuel

Modeling of Inhomogeneously Premixed Combustion With an Extended TFC Model

[+] Author and Article Information
W. Polifke

Lehrstuhl für Thermodynamik, Technische Universität München, D-85747 Garching, Germanye-mail: polifke@td.mw.tum.de

P. Flohr

Alstom Power Technology, CH-5405 Baden, Switzerlande-mail: peter.flohr@power.alstom.com

M. Brandt

Lehrstuhl für Thermodynamik, Technische Universität München, D-85747 Garching, Germanye-mail: brandt@td.mw.tum.de

J. Eng. Gas Turbines Power 124(1), 58-65 (Feb 01, 2000) (8 pages) doi:10.1115/1.1394964 History: Received November 01, 1999; Revised February 01, 2000
Copyright © 2002 by ASME
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References

Zimont,  V. L., and Lipatnikov,  A. N., 1995, “A Model of Premixed Turbulent Combustion and Its Validation,” Chem. Phys. Reports,14, No. 7, pp. 993–1025.
Karpov,  V. P., Lipatnikov,  A. N., and Zimont,  V. L., 1994, “A Model of Premixed Turbulent Combustion and Its Validation,” Archivum Combustionis,14, No. 3–4, pp. 125–141.
Zimont,  V. L., Polifke,  W., Bettelini,  M., and Weisenstein,  W., 1998, “An Efficient Computational Model for Premixed Turbulent Combustion at High Reynolds Numbers Based on a Turbulent Flame Speed Closure,” ASME J. Eng. Gas Turbines Power, 120, pp. 526–532.
Polifke, W., Bettelini, W., Geng, W., Müller, U. C., Weisenstein, W., and Jansohn, P., 1998, “Comparison of Combustion Models for Industrial Applications,” ECCOMAS’98, John Wiley and Sons, London.
Polifke,  W., Geng,  W., and Döbbeling,  K., 1998, “Optimization of Rate Coefficients for Simplified Reaction Mechanisms With Genetic Algorithms,” Combust. Flame, 113, pp. 119–134.
Cokljat, D., Polifke, W., and Wild, P., 1998, “A Non-Adiabatic Method for Calculation of Premixed Flames Using a Turbulent Flame Speed Closure,” 7th Int. Conference on Numerical Combustion, March 30–April 1, York, UK, SIAM (United Kingdom and Republic of Ireland).
Phillip, M., 1991, “Experimentelle und theoretische Untersuchungen zum Stabilitätsverhalten von Drallflammen mit zentraler Rückströmzone.” Dissertation Universität Karlsruhe, Germany.
Peters, N., 1997, “Four Lectures on Turbulent Combustion,” ER-COFTAC Summer School, Sept. 15–19, Aachen.
Kech, J. M., Reissing, J., Gindele, J., and Spicher, U., 1998, “Analysis of the Combustion Process in a Direct Injection Gasoline Engine,” COMODIA 98, 4th Int. Symp. on Diagnostics and Modeling of Combustion in Internal Combustion Engines, published by The Japan Society of Mechanical Engineers, Tokyo, Japan.
Rogg, B., 1992, “RUN-1DL: The Cambridge Universal Laminar Flamelet Computer Code,” Reduced Mechanisms for Applications in Combustion Systems, N. Peters and B. Rogg, eds., Springer, Berlin.
Göttgens, J., Mauss, F., and Peters, N., 1992, Twenty Fourth Symposium (Int.) on Combustion, The Combustion Institute, Pittsburgh, PA, pp. 125–129.
Müller,  U. C., Bollig,  M., and Peters,  N., 1997, “Approximations for Burning Velocities and Markstein Numbers for Lean Hydrocarbon and Methanol Flames,” Combust. Flame, 108, pp. 349–356.
Dinkelacker, F., Soika, A., Most, D., Hofmann, D., Leipertz, A., Polifke, W., and Döbbeling, K., 1998, “Structure of Locally Quenched Highly Turbulent Lean Premixed Flames,” 27th. Int. Symposium on Combustion, Boulder, CO, pp. 857–865.
Zimont, V. L., 1997, private communication.
Lutz, A. E., Rupley, F. M., and Kee, R. J., 1996, “EQUIL: A CHEMKIN Implementation of STANJAN, for Computing Chemical Equilibria,” SAND96-xxxx, Sandia National Laboratories, Livermore, CA.
Sayre, A., Lallemant, N., Dugue, J., and Weber, R., 1985, “Scaling Characteristics of Aerodynamics and Low-NOx Properties of Industrial Natural Gas Burners, The Scaling 400 Study, Part IV: The 300kW BERL test results,” IFRF Doc F40/y/11, International Flame Research Foundation.
Fluent Inc., 1996, Fluent Validation Manual (TM-235), Fluent Inc., NH.

Figures

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Sketch of the BERL 300 kW combustor
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Axial velocity profiles of the BERL combustor at three downstream positions
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Static temperature profiles of the BERL combustor at three downstream positions
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Sketch of the ABB gas turbine burner
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Axial velocity contours for λ=2.14; (a) TFC model; (b) Magnussen finite rate model
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Influence of strain rate on OH mass fraction in a strained f2b flame
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Critical gradients and extinction strain rates for lean premixed combustion at p=1 bar,Tu=630 K; value of gcr recommended by CFD validation study (○). Extinction strain rate αx of f2b flame (⋄), and b2b flame (× unscaled, + unscaled); Eq. (13) (⋯).
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Temperature distribution of diffusive burning along the stoichiometric line. Two coflowing streams of combustion products (c=1) enter the domain from the left in fuel-rich and fuel-lean conditions, while the adiabatic formulation of the extended TFC model correctly predicts additional heat release along the stoichiometric line (a) no such behavior is captured by the nonadiabatic formulation (b).
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Temperature contours for λ=2.14; (a) TFC model; (b) Magnussen finite rate model
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Reaction progress for λ=2.5; (a) with pilot fuel injection; (b) without pilot fuel injection

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