Investigation and Elaboration of Methods of Multicolor Optical Thermometry |
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Authors: | L. F. Zhukov A. V. Bogdan |
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Affiliation: | (1) Physico-Technological Institute of Metals and Alloys, National Academy of Sciences of Ukraine, Kiev |
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Abstract: | The various complex mathematical transformations previously proposed for eliminating methodological errors of multicolor radiation pyrometry are mainly reduced to the determination of such combinations of wavelengths or corrections of registered brightness for the spectral distribution of the radiating capacity of the object being thermometered at which its equivalent radiating capacity is equal to unity. Mathematical formulas of the determining parameters of multicolor pyrometry of radiation have been obtained. Engineering techniques for calculating the critical values of the determining and adjustable parameters at which the application of multicolor optical thermometry is excluded because of large errors have been developed. Algorithms of a priori and a posteriori calibration systems of multicolor pyrometry of radiation of objects with practically any spectral distribution of the radiating capacity are proposed. |
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