Calculation of ignition noise level caused by plug gap breakdown
Abstract
The electromagnetic ignition noise caused by the gap breakdown of a plug is described. The level of an ignition current caused by gap breakdown can be calculated from the relevant plug dimensions by making use of a Rompe-Weizel formula (1944), which gives the value for spark resistance. The effects of the gap breakdown properties on the ignition current can also be deduced using the results. A method to calculate the ignition current level from the relevant plug dimensions and the gap breakdown voltage is presented and confirmed experimentally. It is also demonstrated from the analyses that a lower gap breakdown field corresponds to a lower noise current.
- Publication:
-
IEEE Transactions on Electromagnetic Compatibility
- Pub Date:
- February 1982
- Bibcode:
- 1982ITElC..24...26F
- Keywords:
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- Electric Discharges;
- Electromagnetic Interference;
- Noise Generators;
- Noise Spectra;
- Spark Gaps;
- Spark Ignition;
- Atmospheric Pressure;
- Breakdown;
- Current Distribution;
- Electrical Resistance;
- Equivalent Circuits;
- Gas Ionization;
- Spark Plugs;
- Volt-Ampere Characteristics;
- Communications and Radar