How are engine vibrations most commonly monitored?

Engine vibrations are most commonly monitored using sensors that detect disturbances. These sensors are specifically designed to capture data related to the vibrations generated by the engine during its operation. The use of sensors allows for real-time monitoring and analysis, providing precise measurements that can help identify any irregularities or potential issues before they lead to more significant problems. This method is effective because it can detect vibrations at various frequencies and amplitudes, which is critical in diagnosing the health of an engine.

While visual inspections can provide some insight, they are subjective and less effective at capturing detailed data. Comparing performance metrics could indicate issues indirectly but does not directly measure vibrations. Acoustic monitoring can detect certain types of issues through sound, but it is not commonly used as the primary method for direct vibration monitoring in engines. Thus, the use of sensors stands out as the most reliable and common method in ensuring engine health and performance monitoring.