STUDIES ON SUBLIMATION COEFFICIENT OF ICE
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概要
- 論文の詳細を見る
Sublimation rate of ice into rarefied gases is studied experimentally between two concentric spheres in the range of sublimating surface temperature of - 50°C- - 30°C, and the range of stagnant gas pressure at the condensing surface of 0-1 mmHg. The results are compared with the analytical results obtained with the two-sided Maxwellian distribution functions. Applying the theoretical results to mass transfer through the gaseous phase, a sublimation coefficient of ice of about 0.3 is obtained near -30°C and 0.7 near -50°C. The effect of the partial pressure of stagnant gas on experimental measurements of the sublimation coefficients is also discussed.
- 公益社団法人 化学工学会の論文
著者
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Okazaki Morio
Department Of Chemical Engineering Kyoto University
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Asaeda Masashi
Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University
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TOEI RYOZO
Department of Chemical Engineering, Kyoto University
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