Dynamic Behavior Simulations of Pulverized Biomass RDF Combustion

Leu, Jai-Houng

doi:10.1080/1726037X.2011.10698588

Journal of Dynamical Systems and Geometric Theories

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Open Access Original Articles

Dynamic Behavior Simulations of Pulverized Biomass RDF Combustion

Jai-Houng Leujahonleu@yahoo.com.twYu-Da UniversityGeneral Education Center, 36143, R.O.C., TaiwanView full profile →

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pp. 11–25Vol. 9Issue 1June 2013DOI: 10.1080/1726037X.2011.10698588XML

Published Online:: 03 Jun 2013
Article type:: Original Articles
Language:: EN
Article no.:: 1726037X.2011.10698588
Pages:: 11–25

Abstract

This study used a CFD solver, CFX, to simulate the pulverized biomass refused-derived fuel (RDF) dynamic combustion behavior inside a wall-fired furnace, and investigated the effects of combustor geometry, pulverized biomass RDF traces, and burner positions on its performance under various operating conditions. The results showed that the interactions between various burners can affect the pulverized biomass RDF dynamic behavior significantly. In particular, the probability of pulverized biomass RDF hitting the wall is controlled by the down-fired rate as well as inlet conditions. Finally, the NOx concentrations inside the furnace are predicted in the optimal operating condition (Case 3). The results can be used as a design reference for the optimal operational combustion condition of pulverized biomass RDF.

Subject Classifications

: Pulverized RDFSwirl flowRecirculation zone

References

Field, M.A., Gill, B.B. and Hawksley, P.G.W.1967 . , 175 – 187 . Leatherhead, Surrey: British coal Utilization Research Association .
Gibb, J.1985 . , Imperial College, London: Mechanical engineering Dept .
Li, C.H. and Chi, C.C.1991 . “ Effect of combustor geometry on combustion characteristics ” . In , 125 – 132 . the Combustion Association of R.O.C .
Smoot, L.D. and Pratt, D.T., eds. 1979 . , New York: Plenum Press .
Ubhayakar, S.J., Stickler, D.B., Von Rosenburg, C.W. and Gannon, R. E.1976 . “ Rapid Devolatilization of Pulverized Coal in Hot combustion Gases ” . In 426 – 438 .
Zhou, L.X., Lin, W.Y., Luo, W.W. and Huang, X.Q.1994 . Gas-Particle Flow and Coal Combustion in a burner/combustor with High-Velocity Jets . , : 125 – 138 .

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Cite this article

J. Leu, "Dynamic Behavior Simulations of Pulverized Biomass RDF Combustion," Journal of Dynamical Systems and Geometric Theories, vol. 9, no. 1, pp. 11–25, 2013, doi: 10.1080/1726037X.2011.10698588.

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[1] Field, M.A., Gill, B.B. and Hawksley, P.G.W.1967 . , 175 – 187 . Leatherhead, Surrey: British coal Utilization Research Association .

[2] Gibb, J.1985 . , Imperial College, London: Mechanical engineering Dept .

[3] Li, C.H. and Chi, C.C.1991 . “ Effect of combustor geometry on combustion characteristics ” . In , 125 – 132 . the Combustion Association of R.O.C .

[4] Smoot, L.D. and Pratt, D.T., eds. 1979 . , New York: Plenum Press .

[5] Ubhayakar, S.J., Stickler, D.B., Von Rosenburg, C.W. and Gannon, R. E.1976 . “ Rapid Devolatilization of Pulverized Coal in Hot combustion Gases ” . In 426 – 438 .

[6] Zhou, L.X., Lin, W.Y., Luo, W.W. and Huang, X.Q.1994 . Gas-Particle Flow and Coal Combustion in a burner/combustor with High-Velocity Jets . , : 125 – 138 .