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Influence of Electric Field on Stabilization of Flame From Poor Methane–Oxygen Mixture

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4 Author(s)
Tomcik, P. ; Department of materials and technologies for vehicles, VŠB-Technical University of Ostrava, Ostrava, Czech Republic ; Klaus, P. ; Kulhanek, J. ; Trojan, R.

This paper deals with the influence of the dc electric field on the stabilization of the flame created from a poor (lean) mixture of methane and oxygen. In our experiments, the electric field is created between two electrodes in a combustion chamber in which one of the electrodes is a part of a burner. The dc voltage from a high voltage source is applied to both electrodes. A mixture of methane and oxygen with the purity of 99.95% of both gases is used for the combustion process. The burner combustion power is set at 0.5 kW. The observations of the electric field effects on the stabilization of the flame are carried out by increasing the oxygen flow up to the flame extinction. The result of the measurement is the observed electric field influence on the stabilization of the flame that is created from a poor mixture of methane and oxygen. In the experiment, we observe the dependence between flame stabilization and supplied electrical energy.

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Plasma Science, IEEE Transactions on  (Volume:41 ,  Issue: 8 )