Study on the tribological behavior and lubrication mechanism of piston rings and cylinder liners in hydrogen internal combustion engines

Key Points

• Piston rings and cylinder liners in hydrogen engines exhibit unique tribological behavior, enhancing efficiency.
• The analysis scored lubrication mechanisms, highlighting friction and wear reduction during operation.
• Assessment using tribological testing methods identified key factors affecting component longevity and performance.
• Insight into lubrication mechanisms may support advancements in hydrogen engine design and efficiency, emphasizing sustainability.