Measurement of integral emission coefficients of materials heated to temperatures from 100 to 250 °C
- Авторлар: Ilyin A.S.1, Gusev A.V.1, Mailyan K.A.1, Glushchenkov A.V.1, Kiselev A.V.1, Kachanov A.V.1
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Мекемелер:
- Institute for Theoretical and Applied Electromagnetics of RAS
- Шығарылым: № 3 (2024)
- Беттер: 12-24
- Бөлім: Статьи
- URL: https://bakhtiniada.ru/2949-0553/article/view/270588
- DOI: https://doi.org/10.24412/2949-0553-2024-311-12-24
- EDN: https://elibrary.ru/WCAGHF
- ID: 270588
Дәйексөз келтіру
Толық мәтін
Аннотация
This paper studies the spatial distribution of the integral radiation coefficient () of materials heated to temperatures from 100 to 250 °C. The main attention is paid to the variation of this coefficient depending on the angle of incidence of radiation (). A special bench was developed for the measurements, which allows to fix with high accuracy.
Polished copper surface, ground copper surface, and black ABRO and MOTIP aerosol paints were used as the investigated materials.
The measurement results show that for the polished copper surface, the maximum values of are observed at angles of ±10°, after which the coefficient smoothly decreases to a value of 0.3 at angles of ±70°. For polished copper surface remains equal to 1 up to angles of ±40° , then decreases to 0.47 at angles ±70° . For ABRO and MOTIP aerosol paints, the distribution of is similar: at angles up to ±20° the coefficient is 1, then decreases to 0.2 (ABRO) and 0.1 (MOTIP) at angles of ±80°.
Авторлар туралы
A. Ilyin
Institute for Theoretical and Applied Electromagnetics of RAS
Хат алмасуға жауапты Автор.
Email: iliin876@gmail.com
Ресей, Moscow
A. Gusev
Institute for Theoretical and Applied Electromagnetics of RAS
Email: iliin876@gmail.com
Ресей, Moscow
K. Mailyan
Institute for Theoretical and Applied Electromagnetics of RAS
Email: iliin876@gmail.com
Ресей, Moscow
A. Glushchenkov
Institute for Theoretical and Applied Electromagnetics of RAS
Email: iliin876@gmail.com
Ресей, Moscow
A. Kiselev
Institute for Theoretical and Applied Electromagnetics of RAS
Email: iliin876@gmail.com
Ресей, Moscow
A. Kachanov
Institute for Theoretical and Applied Electromagnetics of RAS
Email: iliin876@gmail.com
Ресей, Moscow
Әдебиет тізімі
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- Grober H., Erk S, Grigull U. Die Grundgessetze der Warmeubertragund. Berlin: Springer Verlag, 1963. 436 pp.
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