Browse Publications Technical Papers 2009-32-0095
2009-11-03

The Effect of Corona Discharge on Pre-Mixed Combustion 2009-32-0095

The flame propagation behavior of hydrogen-air and propane-air mixtures under application of high-voltage non-uniform electric field was explored by using combustion vessel. Both mixtures were ignited by laser-induced breakdown of Nd:YAG laser. In a case of propane-air mixture, top of flame front was drawn to the electrode and bottom of flame front was expanded. In a case of hydrogen-air mixture, the wrinkle caused by the preferential diffusion was enhanced by corona discharge, however the entire flame front was merely moved toward downward by corona wind. Therefore, the non-uniform electric field strongly influences charged particles originated in hydrocarbon of propane-air mixture.

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