Effect of iridium spark plug gap on emission, noise, vibration of an internal combustion engine

Year 2019, , 44 - 48, 16.09.2019

Ziya Özçelik , Nurullah Gültekin

https://doi.org/10.31593/ijeat.561307

Cited By: 5

Abstract

The most important factors affecting comfort and
performance in motor vehicles are; The exhaust gases generated by the internal
combustion engine are noise and vibration. The effect of these factors can be
reduced thanks to the fully efficient and regular operation of the engine. The
most important part affecting the efficient operation of the spark plug
ignition engine is the spark plug. Spark plug failure; emission, noise and
vibration values increase. These negative effects reduce vehicle comfort and
increase travel costs; it also causes more damage to nature. Vehicles are
designed and manufactured to ensure optimum operating parameters during
production. However, changes in these parameters occur as the vehicle is used
and different types of parts are used during maintenance. In this study, spark
plug nail spacing; Emission, noise and vibration effects and determination of
optimum nail spacing. In the experiments, iridium spark plug was used as
ignition spark type. The spark plugs wear out because the engine fires
continuously during operation. This wear increases the distance between the
center electrode and the electrode cap and changes the resulting spark quality.
According to the experiments; When the iridium spark plug nail spacing is 0.8
mm, the noise is optimum at different revolutions, the vibrations in the 0.9 mm
nail spacing increase at low revolutions, and the hydrocarbon value is
minimized at high revolutions in the 0.8 mm spark plug nail spacing.

Keywords

Iridium spark plug, internal combustion engine, noise, emission, vibration

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