Browse Publications Technical Papers 2002-01-0644

Ignition System Characteristics and Effects on Combustion for a Two-Stroke Engine 2002-01-0644

Experiments were conducted using three different ignition systems on a single cylinder, two-stroke research engine. The ignition systems included a transistorized coil ignition (TCI), a capacitive discharge ignition (CDI), and a commercially available multistrike system (JCI). The sparks produced by each ignition system were characterized using three different types of spark plugs. Spark voltage and current data along with simultaneous high speed images of the spark process in a pressurized chamber were obtained. Each ignition system was evaluated in a two-stroke research engine in terms of cyclic variability, misfire rate, and indicated power produced. In addition, ion sensing was used to detect cycle misfires and various strategies were used to improve engine performance.


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