EPJ Web of Conferences (Jan 2022)

High-Speed Temperature Measurement

  • Bouchal Patrik,
  • Hejčík Jiří,
  • Jícha Miroslav

DOI
https://doi.org/10.1051/epjconf/202226401006
Journal volume & issue
Vol. 264
p. 01006

Abstract

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In certain applications where temperature changes rapidly, e.g., compressor cylinder or explosion chamber, it is necessary to obtain temperature data with a sample rate high enough to register the change, i.e., the temperature probe response time must be very low. Type E coaxial thermocouples with response time in the range of µs can be an example of such a temperature probe. This paper describes several approaches for high-frequency temperature data obtained using coaxial thermocouples. Individual approaches are described together, as well as their shortcomings. Furthermore, the possible method of data evaluation is discussed.