NASA NTRS · 19680000319
Ultrasonic temperature measuring device
Abstract
Pulse echo ultrasonic system automatically determines the temperature in the core of a nuclear rocket engine by measuring the transit time of an acoustic pulse in a wire sensor. The measurement is based on the fact that the speed of sound in the sensor material is a function of temperature.
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Carnevale, E. H., Lynnworth, L. C.. 1968-08-01. Ultrasonic temperature measuring device. https://ntrs.nasa.gov/citations/19680000319
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