1982•IEEE Transactions on Electromagnetic CompatibilityRequires access

Calculation of Ignition Noise Level Caused by Plug Gap Breakdown

Osamu Fujiwara, Yoshifumi Amemiya

Abstract

This paper describes the electromagnetic ignition noise caused by the gap breakdown of a plug. An ignition current which flows through the plug body is analyzed by making use of a Rompeweizel eizel formula for the spark resistance. From the analyses, effects of gap breakdown properties on the ignition currents are elucidated. A method to calculate the ignition current level from the relevant plug dimensions and the gap breakdown voltage is given, and the results are confirmed experimentally.

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Available abstract

Key concepts: Spark plug, Ignition system, Spark gap, Breakdown voltage, Noise (video), Mechanics, Materials science, Current (fluid)