In Situ Higher-Time Derivative of Temperature Sensors for Aerospace Heat Transfer
This paper presents a novel sensor that delivers, in combination with a thermocouple calibration curve, higher-time derivatives of temperature. This paper provides motivation for developing such a sensor, presents the salient and poignant features of the initial design and processes required for arriving at the sensor while incurring minimal component delay times (lag time), and displays preliminary predictions using an experimental thermocouple drop facility that allows for comparison with an analytic model. The presented results are highly encouraging for stability, accuracy and repeatability.
Zhijiu Ai, Xiaodong Zhang, Yun-Hae Kim and Prasad Yarlagadda
M. G. Huang et al., "In Situ Higher-Time Derivative of Temperature Sensors for Aerospace Heat Transfer", Advanced Materials Research, Vol. 339, pp. 53-58, 2011