Journal of Infrared and Millimeter Waves, Volume. 40, Issue 2, 204(2021)
The infrared spectral emissivity measurement of a graphite material in a high temperature range of 1000~1500℃ using integrated blackbody principle
Fig. 1. Schematic of the integrated blackbody principle (a) A integrated blackbody formed by a sample on the cavity bottom coupled with the cavity wall, (b) a sample moved from the bottom to the mouth of the cavity
Fig. 2. Distributions of the radiance temperature of the integrated blackbody cavity at a nominal temperature of 1 000 ℃
Fig. 3. Simulation and validation results of the effective emissivity of the integrated blackbody
Fig. 4. Schematic of the emissivity measurement device using the integrated blackbody principle
Fig. 5. The spectral outputs of the integrated blackbody and the graphite material (a) The spectral outputs during the spectral emissivity measurement of a graphite material at a nominal temperature of 1 000 ℃ of the integrated blackbody, (b) The effective spectral outputs of the integrated blackbody and the graphite material in the measurement state at the nominal temperatures of 1 000 ℃, 1 300℃ and 1 500 ℃
Fig. 6. The measurement and comparison results of the infrared spectral emissivity of graphite
Fig. 8. The maximum temperature drop evaluations of a graphite material
Fig. 11. Linearity correction coefficients of the spectral responsivity
|
|
Get Citation
Copy Citation Text
Xu-Yao SONG, Wei DONG, Yi-Jie PAN, Zun-Dong YUAN, Xiao-Feng LU. The infrared spectral emissivity measurement of a graphite material in a high temperature range of 1000~1500℃ using integrated blackbody principle[J]. Journal of Infrared and Millimeter Waves, 2021, 40(2): 204
Category: Research Articles
Received: Jun. 23, 2020
Accepted: --
Published Online: Aug. 31, 2021
The Author Email: Wei DONG (dongw@nim.ac.cn)