Effective Use of Radiation and Thermal Shields in a Vacuum Furnace
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概要
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A method for calculating the efficiency of several sheets of thick radiation shields with finite thermal conductivity is presented. It is shown that in case of shields having infinite conductivity, the efficiency and temperatures of the shields are expressed by simple formulas. It is shown by several examples of this method of calculations that the most important factors for the efficiency are found to be emissivity, thermal conductivity of the innermost shield and its position. Effectiveness of a shield with small conductivity, which we call 'thermal shield' in this paper, especially at high temperature is emphasized. Several experimental results are shown; they agree satisfactorily with the calculations.
- 社団法人日本物理学会の論文
- 1956-11-05
著者
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Ishikawa Yoshikazu
Institute For Solid State Physics University Of Tokyo
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Ishikawa Yoshikazu
Institute Of Science And Technology University Of Tokyo
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Sawada Shozo
Institue Of Science And Technology University Of Tokyo
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