What happens during detonation in an aircraft engine?

Detonation in an aircraft engine refers to an event where there is an explosive ignition within the combustion chamber. This occurs when the fuel/air mixture ignites too early or uncontrollably, creating a sudden increase in pressure. The rapid combustion generates shock waves and can cause significant stress to engine components, potentially leading to engine damage or failure.

This phenomenon is particularly concerning because it disrupts the normal process of combustion. In a properly functioning engine, the fuel/air mixture ignites in a controlled manner at the optimal time, allowing for smooth operation. Detonation, however, disrupts this sequence and results in a violent release of energy. Understanding this concept is crucial for pilots and mechanics, as it highlights the importance of monitoring and managing engine performance to prevent detonation and protect the integrity of the aircraft's engine.