Fig. 1. A typical probe optical pyrometer

Fig. 2. The schematic diagram of optical fiber probe^[5]

Fig. 3. Typical schematic diagram of optical fiber blackbody cavity radiation temperature measurement principle^[5]

Fig. 4. Radiation thermometer calibration equipment^[21]

Fig. 5. Measurement of emissivity by thermocouple comparison method^[32]

Fig. 6. Structure diagram of total radiation temperature measurement system^[34]

Fig. 7. The brightness temperature measurement results when the emissivity of the material changes in the range of 0.6 ~ 0.8^[40]

Fig. 8. Principle block diagram of colorimetric temperature measuring device^[21]

Fig. 9. Installation diagram of colorimetric thermometer components^[42]

Fig. 10. Structure and device of multi⁃wavelength pyrometer system^[56]

Fig. 11. The schematic diagram of the optical path system of the multi⁃wavelength temperature test device

Fig. 12. LAND company uses radiation thermometer to measure the temperature of turbine blade^[67]

Fig. 13. Effect of probe airflow on particle deposition^[68]

Fig. 14. Probe structure^[69]

Fig. 15. Surface temperature of turbine blade of heavy⁃duty gas turbine is measured by radiation pyrometer^[69]

Fig. 16. Long⁃wave infrared thermometer test system and measurement results

Fig. 17. The surface temperature distribution of turbine blade thermal barrier coating

Fig. 18. Thermometer installation^[77]

Fig. 19. High⁃temperature probe installation^[80]

Fig. 20. The schematic diagram of the exhaust section and the cascade structure after adding the probe protection structure^[83]

Fig. 21. The radiation temperature probe is installed on the casing^[84]

Fig. 22. Structure design of probe tube^[4]

Fig. 23. Diagram of scanning path of temperature measurement system^[4]

Fig. 24. Turbine blade radiation temperature measurement system ^[69-70]

Fig. 25. Installation position of radiation temperature measurement probe^[2]

Fig. 26. Measurement results of radiation pyrometer^[2]

Fig. 27. Temperature field distribution of rotor blade back at 9 100 r / min^[33]

Fig. 28. Position relationship between blade and probe and temperature measurement area^[87]

Fig. 29. Radiation temperature measurement results^[87]