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Authors: Teresa Parra 1 ; Ruben Perez 1 ; Miguel Angel Rodriguez 1 ; Artur Gutkowski 2 ; Robert Szasz 3 and Francisco Castro 1

Affiliations: 1 University of Valladolid, Spain ; 2 Technical University of Lodz, Poland ; 3 Lund University, Sweden

Keyword(s): CFD, Swirl Number, Recirculation Zones, Burner.

Related Ontology Subjects/Areas/Topics: Application Domains ; Complex Systems Modeling and Simulation ; Energy and Power Systems ; Fluid Dynamics ; Simulation and Modeling

Abstract: The aim of this research is gaining an insight into flow patterns in swirling burners. These are suitable for lean mixtures, because of procuring the fix position of the flame. The interaction of the two reactive confined swirling jets leads to the formation of complex patterns which are not well understood. In the present study, these flow patterns are numerically investigated using Reynolds Averaging Navier-Stokes (RANS) equations for the flow and a Probability Density Function is used for modelling the combustion. Two swirl numbers were characterised: 0.14 and 0.74. Strong swirling annular jets are responsible of an inner recirculation zone. Low swirling flows produce poorer mixture and wide flame fronts whereas strong swirling flows are precursors of mixing enhancement and thing flame fronts.

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Paper citation in several formats:
Parra, T.; Perez, R.; Rodriguez, M.; Gutkowski, A.; Szasz, R. and Castro, F. (2014). Mixing and Combustion of Turbulent Coaxial Jets - An Application of Computational Fluid Dynamics to Swirling Flows. In Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH, ISBN 978-989-758-038-3; ISSN 2184-2841, pages 545-550. DOI: 10.5220/0005009005450550

@conference{simultech14,
author={Teresa Parra. and Ruben Perez. and Miguel Angel Rodriguez. and Artur Gutkowski. and Robert Szasz. and Francisco Castro.},
title={Mixing and Combustion of Turbulent Coaxial Jets - An Application of Computational Fluid Dynamics to Swirling Flows},
booktitle={Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH,},
year={2014},
pages={545-550},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005009005450550},
isbn={978-989-758-038-3},
issn={2184-2841},
}

TY - CONF

JO - Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH,
TI - Mixing and Combustion of Turbulent Coaxial Jets - An Application of Computational Fluid Dynamics to Swirling Flows
SN - 978-989-758-038-3
IS - 2184-2841
AU - Parra, T.
AU - Perez, R.
AU - Rodriguez, M.
AU - Gutkowski, A.
AU - Szasz, R.
AU - Castro, F.
PY - 2014
SP - 545
EP - 550
DO - 10.5220/0005009005450550

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