Practical acoustic thermometry: a new way to measure reactor temps?

Figure 6: The PAT Inconel-600 thermometer test results showing for three thermal cycles between 300 °C and 1000 °C.



  • Figure 1a: Illustration of the conceptual speaking tube
  • Concept of a practical acoustic thermometer
  • Figure 2: Qualitative illustration of the ‘pulse-shape problem’
  • Figure 3: Qualitative illustration of two designs of a practical acoustic thermometer. In (a) two blind-ended tubes are used and in (b) two ‘U’ tubes are used.
  • Practical Acoustic Thermometer (PAT) before insertion into the furnace
  • Detailed design of a practical acoustic thermometer
  • Figure 5: The PAT Inconel-600 thermometer test results
  • The PAT silica thermometer
  • Figure 6: The PAT Inconel-600 thermometer test results showing for three thermal cycles between 300 °C and 1000 °C.
  • Figure 7: The PAT Inconel-600 thermometer long-term stability test
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