Study on multi-cylinder pre-ignition characteristics and pre-ignition induced super knock mechanism of direct injected hydrogen engines

Key Points

• Super knock can occur in hydrogen engines under specific pre-ignition conditions, impacting performance negatively.
• A key focus is on the multi-cylinder setups that were analyzed for their pre-ignition behavior and resultant effects.
• Assessment using direct injection methods provides insights into the combustion processes at play during pre-ignition.
• This analysis highlights the importance of understanding pre-ignition in optimizing hydrogen engine efficiency and reliability.