Radiative heat transfer of ultra-fine powder insulation in nonplanar geometry

Hsin Sen Chu, Chung Jen Tseng

研究成果: 雜誌貢獻期刊論文同行評審

摘要

The purpose of this work is to study the radiation heat transfer through some typical ultra-fine powder insulations. The spectral extinction coefficients for these powders have been measured via infrared transmission measurements. The experimental results are compared with both the dependent and independent scattering and absorption theoretical calculations. The radiative transport process is modeled by the diffusion approximation method. Based on the experimental data, the radiant thermal conductivity between two concentric cylinders and spheres was calculated. The results show that the radiant thermal conductivity between two concentric spheres is about 50 percent higher than that between two cylinders.

原文???core.languages.en_GB???
頁(從 - 到)715-720
頁數6
期刊Journal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series A/Chung-kuo Kung Ch'eng Hsuch K'an
12
發行號6
DOIs
出版狀態已出版 - 9月 1989

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