| Citation: | ZHONG Wanli, WANG Wei, LIN Jiedong, et al. Experimental analysis on infrared temperature measurement of flue gas covering surface[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(2): 218-223. doi: 10.13700/j.bh.1001-5965.2015.0795(in Chinese)
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Radiative participant flue gas has important influence on the infrared surface temperature measurement of flue gas covering surface. According to the characteristic of the sample temperature distribution measured by an infrared CCD camera, a simplified one-dimensional model of infrared surface temperature measurement is established. Based on the simplified model, the detected infrared temperatures at different thickness of flue gas and surface temperature of sample are analyzed using source multi-flux method. Finally, a muffle furnace is used to heat the measured surface, and a vibrating screen is used to simulate flue gas covering environment. An infrared temperature measurement system is built for flue gas covering surface. The analytical model of source multi-flux is verified by the experiments, and the measured temperature by the experimental has a good agreement with the predicted temperature by the analytical model. The idea of modification for the infrared temperature measurement by inverse method is proposed.
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