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The Influence of High Voltage Electrical Field on the Flame Propagation
Technical Paper
2005-32-0074
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English
Abstract
The purpose of this study is to elucidate the development process of hot kernel generated by the laser induced breakdown and to clarify the relationship between corona discharge application and flame propagation. The mixture can be ignited by the laser induced breakdown. Nd:YAG laser is used for the ignition and laser light is optically focused on the central part of combustion chamber by a plano convex lens. The hot kernel is observed in the absence of combustion and is rapidly developed into the laser incidence side. The homogeneous propane-air mixture is used and six equivalence ratios between 0.7 and 1.5 are tested. For generating the positive corona discharge in the combustion chamber, a non-uniform electric field is applied by the needle to plane gap. In a lean mixture, the whole flame front shifts to downward from the breakdown point and, in the rich mixture region, the combustion is strongly enhanced.
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Citation
KOGUCHI, Y., YOSHIDA, K., and SHOJI, H., "The Influence of High Voltage Electrical Field on the Flame Propagation," SAE Technical Paper 2005-32-0074, 2005.Also In
References
- Jaggers H. C. von Engel A. “The Effect of Electric Fields on the Burning Velocity of Various Flames” Combustion and Flame 16 275 285 1971
- Kadono Teruki Yoshida Koji Shoji Hideo “The Combustion Phenomena Under Corona Discharge Application” SAE 2002-32-1823 1 6 2002
- Beduneau Jean-Luc Kim Bonbbyu Zimmer Laurent Ikeda Yuji “Measurements of minimum ignition energy in premixed laminar methane/air flow by using laser induced spark” Combustion and Flame 132 653 665 2003