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タイトル: Gas Interchange between Bubble Phase and Continuous Phase in Gas-Solid Fluidised Bed at Coalescence
著者: TOEI, Ryozo
MATSUNO, Ryuichi
NISHITANI, Keiichi
発行日: 10-Sep-1970
出版者: Faculty of Engineering, Kyoto University
誌名: Memoirs of the Faculty of Engineering, Kyoto University
巻: 32
号: 2
開始ページ: 194
終了ページ: 209
抄録: By investigating the phenomena of coalescence of bubbles from the view point of gas interchange, the mechanism of interchange at coalescence in the case of two bubbles on the same vertical line was explained with the aid of Murray's method which gave the gas stream function. CO₂ gas bubbles were blown into a two dimentional air-fluidised bed at the point of minimum fluidisation through a single nozzle. The concentration of the bubble and of the continuous phase was measured and the gas interchange coefficient was obtained. From it, the amount of gas that flowed out from the cloud was obtained and it coincided fairly well with that obtained from the gas stream line. Although the experimental system was a special case where bubbles were formed only from a single nozzle, the method for obtaining the gas interchange coefficient, that includes the effect of coalescence, was explained if the distribution of the frequency and the rising velocity of the bubble were known.
URI: http://hdl.handle.net/2433/280817
出現コレクション:Vol.32 Part 2

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