Journal
SENSORS
Volume 16, Issue 11, Pages -Publisher
MDPI AG
DOI: 10.3390/s16111905
Keywords
ultrasonic thermometer; high-temperature oxidation; delay time; ultrasonic wavelets
Funding
- National Natural Science Foundation of China [11304289]
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In this study, an ultrasonic temperature measurement system was designed with Al2O3 high-temperature ceramic as an acoustic waveguide sensor and preliminarily tested in a high-temperature oxidation environment. The test results indicated that the system can indeed work stably in high-temperature environments. The relationship between the temperature and delay time of 26 degrees C-1600 degrees C ceramic materials was also determined in order to fully elucidate the high-temperature oxidation of the proposed waveguide sensor and to lay a foundation for the further application of this system in temperatures as high as 2000 degrees C.
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