Efficiency and erosion characteristics of plasma jet igniters
- 14 May 1983
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 16 (5) , 783-791
- https://doi.org/10.1088/0022-3727/16/5/011
Abstract
The rate of erosion of both ceramic and metal in a typical plasma jet igniter has been monitored as a function of various experimental parameters. Even under the most favorable conditions it appears that working lifetimes may be limited to the order of ten hours-a figure in line with previous measurements of arc erosion. Direct measurements of the thermal energy delivered by the igniter to the adjacent gas reveal that overall efficiencies approximately 10% are attained. In order to minimise erosion while maintaining a given delivery of thermal energy it is found essential to work with low initial voltages on the energy storage capacitor.Keywords
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