What types of systems are typically used for engine fire detection?

Engine fire detection systems are crucial for ensuring the safety and integrity of aircraft engines. The typical systems used for engine fire detection include flame detection, overheat detection, and rate of rise detection systems.

Flame detection systems operate by sensing the presence of combustion flames within the engine area. These systems utilize sensors that can detect specific wavelengths of infrared or ultraviolet light emitted by flames, providing immediate warnings if a fire is detected.

Overheat detection systems monitor temperature changes to identify if the engine is overheating, which could indicate a fire risk. These systems can trigger alarms if temperatures exceed predetermined thresholds.

Rate of rise systems, on the other hand, measure the speed at which temperature increases, serving as an early warning system for potential fire hazards before flames actually ignite.

These combined methods ensure that engine fires can be detected quickly and accurately, allowing for timely responses to safeguard aircraft and passengers. Each of these technologies works together to enhance overall safety but is more comprehensive compared to other types of detection methods that may focus on different risks, such as pressure or smoke detection systems, which are not primarily designed for fire detection in engines.