2023
DOI: 10.5505/pajes.2022.66990
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Pre-Chamber spark ignition: a reliability analysis of pre-chamber valve functions

Faraz Akbar,
Sarah Zaki

Abstract: A pre-chamber ignition allows spark-ignition engines to operate in lean air-fuel settings. It improves fuel efficiency and reduces emissions. In this study, a reliability analysis of a single GE Jenbacher J620 natural gas engine was done. It was operational on continuous load in the power generation sector in Karachi, Pakistan. The bathtub curve of GE J620 pre-chamber gas valve (PCV) was generated. The three-year industrial data comprised PCV failures that occurred between two overhauls. During infant mortalit… Show more

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