Research on Ultra Black Paint Emissivity of the Emissivity Measurement Method Based on Controlling Surroundings Radiation
SONG Jian1,HAO Xiao-peng1,YUAN Zun-dong1,XU Min1,2, GONG Lü-yu1,2,WEN Ping1,XU Chun-yuan1,3
1.Division of Thermophysics and Process Measurements, National Institute of Metrology, Beijing 100029, China;
2.Chengdu University of Technology, Chengdu, Sichuan 610059, China;
3.Xi’an Polytechnic University, Xi’an, Shaanxi 710048, China
Abstract：The emissivity measurement method based on controlling surroundings radiation is presented. By using two plate with different temperature to realize controlling the surroundings radiation, reflectivity is obtained by measuring the variation of reflected radiation, then the emissivity is got through the relationship between reflectivity and emissivity. The theory of the measuring principle and the experimental device are discussed. Ultra black paint emissivity were measured by this method, the emissivity results and uncertainty of the results are presented. The relationship between the emissivity difference of the paint and the surface property is studied by scanning electron microscopy.
宋健,郝小鹏,原遵东,许敏,龚律宇,文平,徐春媛. 基于控制环境辐射发射率测量方法的超黑涂层发射率特性研究[J]. 计量学报, 2015, 36(6A): 24-27.
SONG Jian,HAO Xiao-peng,YUAN Zun-dong,XU Min, GONG Lü-yu,WEN Ping,XU Chun-yuan. Research on Ultra Black Paint Emissivity of the Emissivity Measurement Method Based on Controlling Surroundings Radiation. Acta Metrologica Sinica, 2015, 36(6A): 24-27.
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