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CFD Study of a Pulverized Coal Boiler

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Advances in Mechanical Engineering and Mechanics (CoTuMe 2018)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

Numerical simulation of pulverized coal combustion is carried out in order to investigate the behavior of the dispersed phase. Combustion is done in a combined cycle unit (a coal-fired boiler) coupled with a gas/oil-fired turbine. Results are presented for laboratory scale burner SCO (Single Central Orifice) type. Combustion is performed in atmospheric air conditions. Coal particle trajectories are analyzed to capture Gas-particle interaction within a turbulent flow. An Eulerian-Lagrangian combustion approach is chosen. A reduced reaction mechanism is used to describe coal combustion in the furnace. Particle transport, heating and devolatilization, char combustion involving heterogeneous kinetic reaction and heterogeneous combustion are modeled. These models are combined with a finite rate/eddy dissipation model to describe turbulence chemistry interaction. Results are compared against previous data produced by researcher Godey et al. experimental data.

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Author information

Authors and Affiliations

  1. Research Unit “Mechanical Modeling, Energy and Material”, National School of Engineering of Gabes, Gabes, Tunisia

    Lakhal Fatma Ezzahra, Agrebi Senda & Mouldi Chrigui

  2. Institute of Energy and Power Plant Technology, Technical University of Darmstadt, Darmstadt, Germany

    Mouldi Chrigui

Authors
  1. Lakhal Fatma Ezzahra
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  2. Agrebi Senda
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  3. Mouldi Chrigui
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Corresponding author

Correspondence to Lakhal Fatma Ezzahra .

Editor information

Editors and Affiliations

  1. National School of Engineers of Monastir, Monastir, Tunisia

    Abdelmejid Benamara

  2. National School of Engineers of Sfax, Sfax, Tunisia

    Mohamed Haddar

  3. National School of Engineers of Monastir, Monastir, Tunisia

    Benameur Tarek

  4. National School of Engineers of Monastir, Monastir, Tunisia

    Mezlini Salah

  5. National School of Engineers of Sfax, Sfax, Tunisia

    Chaari Fakher

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Ezzahra, L.F., Senda, A., Chrigui, M. (2019). CFD Study of a Pulverized Coal Boiler. In: Benamara, A., Haddar, M., Tarek, B., Salah, M., Fakher, C. (eds) Advances in Mechanical Engineering and Mechanics. CoTuMe 2018. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-19781-0_31

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  • DOI: https://doi.org/10.1007/978-3-030-19781-0_31

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-19780-3

  • Online ISBN: 978-3-030-19781-0

  • eBook Packages: EngineeringEngineering (R0)

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