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Numerical investigation of the burning characteristics of ventilation air methane in a combustion based mitigation system
Mira, Daniel; Cluff, Daniel L.; Jiang, Xi
Barcelona Supercomputing Center
Large-eddy simulation of the reacting flow field in a combustion-based mitigation system to reduce the emissions of methane contained in ventilation air methane is presented. The application is based on the preheating and combustion of ventilation air methane. Effects of preheating and methane concentration are examined in five computational cases. The results indicate that the oxidation of the ventilation air methane can take place in a co-annular jet configuration provided that the preheating temperature is as high as 500 K for mixtures containing a low methane concentration of 0.5%. It is found that the oxidation process that eventually leads to reaction and combustion is controlled by the methane concentration and the level of preheating.
The authors would like to thank the European Union’s Research Programme of the Research Fund for Coal and Steel (RFCS) research programme under Grant agreement Number RFCR-CT-2010-00004 and EPSRC Grant EP/G062714/2 for funding the activities under- taken for this study.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria electrònica
Ventilation air methane (VAM)
Greenhouse gas (GHG)
Mitigation system
Flameless oxidation
Large-eddy simulation
Combustió--Models matemàtics
Attribution-NonCommercial-NoDerivs 4.0 International License

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