Thermocouple Evaluation Model and Evaluation of Chromel--Alumel Thermocouples for High-Temperature Gas-Cooled Reactor Applications

摘要

Factors affecting the performance and reliability of thermocouples for temperature measurements in High-Temperature Gas-Cooled Reactors are investigated. A model of an inhomogeneous thermocouple, associated experimental technique, and a method of predicting measurement errors are described. Error drifts for Type K materials are predicted and compared with published stability measurements. 60 references. (ERA citation 02:042973)