Numerical modelling of MILD combustion for coal

Progress in Computational Fluid Dynamics

Volumn 7, Issue 6, 2007, Pages 337-346

  Kim, Ju Pyo ^a   Schnell, U ^a   Scheffknecht, G ^a   Benim, Alicemal C ^b  

^a UNIVERSITY OF STUTTGART   (Germany)

^b UNIVERSITY OF APPLIED SCIENCES   (Germany)

Author keywords

CFD modelling; Coal combustion; Fuel NO; MILD combustion

Indexed keywords

ACID RAIN; COAL COMBUSTION; EXHAUST GASES; GAS EMISSIONS; NITROGEN OXIDES; TURBULENCE;

COMBUSTION EFFICIENCY; EDDY DISSIPATION CONCEPT; MODERATE AND INTENSIVE LOW OXYGEN DILUTION; PHOTOCHEMICAL SMOG;

COMPUTATIONAL FLUID DYNAMICS;

ACID RAIN; COAL COMBUSTION; COMPUTATIONAL FLUID DYNAMICS; EXHAUST GASES; GAS EMISSIONS; NITROGEN OXIDES; TURBULENCE;

EID: 34548147787     PISSN: 14684349     EISSN: None     Source Type: Journal    
DOI: 10.1504/PCFD.2007.014683     Document Type: Article

References (36)

1. Arthur, J. (1951) 'Reaction between carbon and oxygen', J. Trans. Faraday Society, Vol. 47, pp. 164-178.
2. Ashman, P.J., Haynes, B.S., Buckley, A.N. and Nelson, P.F. (1998) 'The fate of char-nitrogen in low-temperature oxidation', Proc. Combust. Int., Vol. 27, pp.3069-3075.
3. Baxter, L.L., Mitchell, R.E., Fletcher, T.H. and Hurt, R.H. (1996) 'Nitrogen release during coal combustion', Energy and Fuels, Vol. 10, pp.188-196.
4. Cavaliere, A. and de Joannon, M. (2004) 'MILD combustion', Prog. Energy Combust. Sci., Vol. 30, pp.329-366.
5. Chen, J.C. and Niksa, S. (1992) 'Coal devolatilization during rapid transient heating. 1. Primary pyrolysis', Energy Fuels, Vol. 6. pp.254-264.
6. Croiset, E., Heurtebise, C., Rouan, J.P. and Richard, J.R. (1998) 'Influence of pressure on the heterogeneous formation and destruction of nitrogen oxides during char combustion', Combust. Flame., Vol. 112, Nos. 1, 2, pp.33-44.
7. Date, A.W. (1996) 'Complete pressure correction algorithm for the solution of incompressible Navier-Stokes equations on a non-staggered grid', Numerical Heat Transfer, Vol. 29, pp.441-458.
8. 2 formation from fuel nitrogen', Proc. Combust. Inst., Vol. 15, pp.1093-1102.
9. Fiveland, W.A. (1984) 'Discrete ordinates solutions of the radiative transport equation for rectangular enclosure', J. Heat Transfer, Vol. 106, pp.699-706.
10. Förtsch, D. (2002) A Kinetic Model of Pulverised Coal Combustion for Computational Fluid Dynamics, PhD Thesis, IVD, Universität Stuttgart, Stuttgart, Germany.
11. Förtsch, D., Kluger, F., Schnell, U., Spliethoff, H. and Hein, K.R.G. (1998) 'A kinetic model for the prediction of No emissions from staged combustion of pulverized coal', Combust. Inst., Vol. 27, pp.3037-3044.
12. 2O formation during coal combustion in a fluidized-bed combustor: modeling results', Proc. Combust. Inst., Vol. 25, pp. 1051-1059.
13. Gran, I.R., Melaan, M.C. and Magnussen, B.F. (1994) 'Numerical simulation of local extinction effect in turbulent combustor flows of methane and air', Proc. Combust. Inst., Vol. 25, pp.1283-1291.
14. Harding, A.W., Brown, S.D. and Thomas, K.M. (1996) 'Release of NO from the combustion of coal char', Combust. Flame., Vol. 107, No. 4, pp.336-350.
15. Kim, J.P., Deep, Ch., Hilber, Th., Schnell, U. and Scheffknecht, G. (2005) 'Numerical simulation of coal combustion with detailed gas-phase chemistry', ECCOMAS Thematic Conference on Computational Combustion, Lisbon, Portugal, 21-24 June.
16. Kim, J.P., Schnell, U. and Scheffknecht, G. (2006) 'Numerical modeling of flameless combustion for natural gas'. 7th European Conference on Industrial Furnaces and Boilers, Porto, Portugal, 18-21 April.
17. Knaus, H., Schneider, R., Han, X., Ströhle, J., Schnell, U. and Hein, K.R.G. (1997) 'Comparison of different radiative heat transfer models and their applicability in coal-fired utility boiler simulation', Int. Conf. Technol. Combust. Clean Air, Vol. 4, pp.97-104.
18. el coal-fired utility boiler', Progress in Computational Fluid Dynamics, Vol. 1, No. 4, pp.194-207.
19. Launder, B.E. and Spalding, D.B. (1974) 'The numerical computation of turbulent flows', Computer Methods in Applied Mechanics and Engineering, Vol. 3, pp.269-289.
20. Magel, H.C., Schnell, U. and Hein, K.R.G. (1996) 'Simulation of detailed chemistry in a turbulent combustor flow', Proc. Combust. Inst., Vol. 26, pp.67-74.
21. Magnussen, B.F. (1970) 'The rate of combustion of soot in turbulent flames', Proc. Combust. Inst., Vol. 13, pp.869-877.
22. Magnussen, B.F. (1989) 'The Eddy dissipation concept', XI Task Leaders Meeting, IEA Working Party on Energy Conversion in Combustion, 26-29 June, Sweden, Vol. 11, pp.248-267.
23. Mitchell, J.W. and Tarbell, J.M. (1982) 'A kinetic model of nitric oxide formation during pulverized coal combustion'. AIChE Journal, Vol. 28, No. 2. pp.302-311.
24. Noll, B. (1992) Numerische Strömungsmechanik, Springer Verlag, Hamburg.
25. Orsino, S., Tamura, M., Stabat, P., Constantini, S., Prado, O. and Weber, R. (2000) Excess Enthalpy Combustion of Coal, IFRF Doc. No. F46/y/3, IFRF.
26. Plessing, T., Peters, N. and Wünning, J.G. (1998) 'Laseroptical investigation of highly preheated combustion with strong exhaust gas recirculation', Proc. Combust. Inst., Vol. 27, pp.3197-3204.
27. Rückert, F.U., Sabel, T., Schnell, U. and Hein, K.R.G. (2003) 'Comparison of different global reaction mechanisms for coal-fired utility boilers', Progress in Computational Fluid Dynamics, Vol. 3, Nos. 2-4, pp.130-139.
28. Schnell, U. (1991) Berechnung der Stickoxidemissionen von Kohlenstaubfeuerungen, VDI-Fortschr.-Ber., Reihe 6, No. 250, VDI-Verlag, Düsseldorf.
29. Schnell, U. (2001) 'Numerical modelling of solid fuel combustion processes using advanced CFD-based simulation tools', Progress in Computational Fluid Dynamics, Vol. 1, No. 4, pp.208-218.
30. Solomon, P.R., Fletcher, T.H. and Pugmire, R.J. (1993) 'Progress in coal pyrolysis', Fuel, Vol. 72, No. 5, pp.587-597.
31. Ströhle, J., Knaus, H., Schnell, U. and Hein, K.R.G. (2000) 'A radiation model for the numerical simulation of coal-fired furnaces using body-fitted grids', Combust. Sci. Technol., Vol. 153, pp.127-139.
32. Suda, T., Takfuji, M., Hirata, T., Yoshino, M. and Sato, J. (2002) 'A study of combustion behavior of pulverized coal in high-temperature air', Proc. Combust. Inst., Vol. 29, pp.503-509.
33. Weber, R., Smart, J.P. and vd Kamp, W. (2004) 'On the (MILD) combustion of gaseous, liguid, and solid fuels in high temperature preheated air', Proc. Combust. Inst., Vol. 30, pp.2623-2629.
34. Wendt, J. (1980) 'Fundamental coal combustion mechanisms and pollutant formation in furnaces', Prog. Energy Combust. Sci., Vol. 6, pp.201-222.
35. Wendt, J. and Schulze, O. (1976) 'On the fate of fuel nitrogen during coal char combustion', AIChE Journal, Vol. 22, No. 1, pp.102-110.
36. Zhang, H. (2001) Nitrogen Evolution and Soot Formation during Secondary Coal Pyrolysis, PhD Thesis, Brigham Young University, Provo, UT, USA.