Coalescence behavior of two bubbles in stagnant liquids.
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概要
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Coalescence frequency and lifetimes of thin aqueous films formed between nitrogen bubbles were measured in dilute solutions of sodium lauryl sulfate, n-amyl alcohol, and 1-butanol. The bubble pairs were formed on two adjacent capillary tubes by use of a microprocessor-controlled stepping motor, and the coalescence time was determined by an optical sensing method. For low-molecular weight alcohols such as 1-butanol and n-amyl alcohol, the transition concentration decreased with increase of bubbling frequency. But for high-molecular weight surfactants such as sodium lauryl sulfate, it increased with bubbling frequency. Coalescence times increased with solute concentration and also with surface tension gradient.
- 公益社団法人 化学工学会の論文
著者
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Lee Won
Department Of Agricultural And Biological Engineering University Of Florida
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Kim Jong
Department Of Agricultural Bio-resources National Academy Of Agricultural Science Rural Development
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KIM JONG
Department of Chemical Engineering, Korea Advanced Institute of Science & Technology
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