What is the role of a fuel temperature sensor in an aircraft?

A fuel temperature sensor in an aircraft serves a vital role by monitoring the temperature of the fuel. This is important for several reasons, particularly for optimal performance and safety. As fuel temperatures can affect its density and viscosity, monitoring these temperatures helps ascertain that the fuel remains within acceptable limits for efficient engine performance.

When the fuel temperature is too low, it can lead to increased viscosity, potentially causing flow issues. Conversely, if the fuel temperature is too high, it can lead to vapor formation, which can result in issues like vapor lock. By keeping the temperature within an ideal range, the sensor ensures that the fuel system operates efficiently, thereby enhancing engine performance and preventing safety hazards associated with fuel system failures.

This monitoring also aids in maintaining proper fuel conditions for combustion, contributing to overall engine efficiency and reliability.