Numerical simulation of the combustion process of a pellet-drop-feed boiler

M. A. Gómez, J. Porteiro, Daniel De la Cuesta de Cal, D. Patiño, J. L. Míguez

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)

Abstract

This paper presents a transient model for the simulation of biomass combustion in a fixed bed boiler fed through particle drop. The method combines classical CFD techniques, which are used to simulate the gas phase, with a set of Eulerian variables defined to model the solid phase and Lagrangian trajectories that model the particle drop. Several submodels are implemented to simulate the numerous processes that occur during the combustion of the solid phase. These submodels include the thermal conversion of biomass, heat and mass transfer, particle shrinkage and bed compaction as well as the interaction of the DPM (Discrete Phase Model) trajectories and the bed variables. The predictions are contrasted with various experimental tests, which provide reasonably good results and demonstrate the overall good behavior of the models. The simulation facilitates an understanding of the heat transfer inside the boiler and the instability of the emission measurements.

Original languageEnglish
Pages (from-to)987-999
Number of pages13
JournalFuel
Volume184
DOIs
Publication statusPublished - 2016
Externally publishedYes

Fingerprint

Boilers
Computer simulation
Biomass
Trajectories
Heat transfer
Computational fluid dynamics
Compaction
Mass transfer
Gases

Keywords

  • Biomass
  • Boiler
  • CFD
  • Combustion
  • Feeding

Cite this

Gómez, M. A., Porteiro, J., De la Cuesta de Cal, D., Patiño, D., & Míguez, J. L. (2016). Numerical simulation of the combustion process of a pellet-drop-feed boiler. Fuel, 184, 987-999. https://doi.org/10.1016/j.fuel.2015.11.082
Gómez, M. A. ; Porteiro, J. ; De la Cuesta de Cal, Daniel ; Patiño, D. ; Míguez, J. L. / Numerical simulation of the combustion process of a pellet-drop-feed boiler. In: Fuel. 2016 ; Vol. 184. pp. 987-999.
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abstract = "This paper presents a transient model for the simulation of biomass combustion in a fixed bed boiler fed through particle drop. The method combines classical CFD techniques, which are used to simulate the gas phase, with a set of Eulerian variables defined to model the solid phase and Lagrangian trajectories that model the particle drop. Several submodels are implemented to simulate the numerous processes that occur during the combustion of the solid phase. These submodels include the thermal conversion of biomass, heat and mass transfer, particle shrinkage and bed compaction as well as the interaction of the DPM (Discrete Phase Model) trajectories and the bed variables. The predictions are contrasted with various experimental tests, which provide reasonably good results and demonstrate the overall good behavior of the models. The simulation facilitates an understanding of the heat transfer inside the boiler and the instability of the emission measurements.",
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Gómez, MA, Porteiro, J, De la Cuesta de Cal, D, Patiño, D & Míguez, JL 2016, 'Numerical simulation of the combustion process of a pellet-drop-feed boiler' Fuel, vol. 184, pp. 987-999. https://doi.org/10.1016/j.fuel.2015.11.082

Numerical simulation of the combustion process of a pellet-drop-feed boiler. / Gómez, M. A.; Porteiro, J.; De la Cuesta de Cal, Daniel ; Patiño, D.; Míguez, J. L.

In: Fuel, Vol. 184, 2016, p. 987-999.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Numerical simulation of the combustion process of a pellet-drop-feed boiler

AU - Gómez, M. A.

AU - Porteiro, J.

AU - De la Cuesta de Cal, Daniel

AU - Patiño, D.

AU - Míguez, J. L.

PY - 2016

Y1 - 2016

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AB - This paper presents a transient model for the simulation of biomass combustion in a fixed bed boiler fed through particle drop. The method combines classical CFD techniques, which are used to simulate the gas phase, with a set of Eulerian variables defined to model the solid phase and Lagrangian trajectories that model the particle drop. Several submodels are implemented to simulate the numerous processes that occur during the combustion of the solid phase. These submodels include the thermal conversion of biomass, heat and mass transfer, particle shrinkage and bed compaction as well as the interaction of the DPM (Discrete Phase Model) trajectories and the bed variables. The predictions are contrasted with various experimental tests, which provide reasonably good results and demonstrate the overall good behavior of the models. The simulation facilitates an understanding of the heat transfer inside the boiler and the instability of the emission measurements.

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KW - Combustion

KW - Feeding

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Gómez MA, Porteiro J, De la Cuesta de Cal D, Patiño D, Míguez JL. Numerical simulation of the combustion process of a pellet-drop-feed boiler. Fuel. 2016;184:987-999. https://doi.org/10.1016/j.fuel.2015.11.082