A thermocouple developed at Cambridge University in England to measure jet engine temperatures near their combustion source reduces drift by 80% at 1,200C (2,192F), and 90% at 1,300C. Drift is degradation in a sensor, typically a double-walled nickel-based thermocouple in this application, which monitors engine heat. High temperature affects the integrity of components and thus, engine maintenance and life. Most nickel-based thermocouples drift above 1,000C. This is a problem because many ...


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