Scaling behaviour in the demixing of a binary-liquid mixture under gravity

Ki Wing To, Chi Keung Chan

研究成果: 雜誌貢獻通訊期刊論文同行評審

11 引文 斯高帕斯(Scopus)

摘要

Gravity-driven demixing experiments of mechanically mixed binary-liquid mixture are performed at various temperatures. A steady state is observed in which the demixing rate is nearly constant. We find that the droplet size in the demixing zone grows only for a short time. During most of the demixing process, the size of these droplets is stabilized by the flow itself. A relationship between the characteristic demixing time r and the reduced temperature ε is found, ie. τ ~ ε–θ with θ = 0.54 ± 0.03. A phenomenological model in which the demixing process is considered as a flow through a porous medium is proposed to explain the experimental results.

原文???core.languages.en_GB???
頁(從 - 到)311-316
頁數6
期刊EPL
19
發行號4
DOIs
出版狀態已出版 - 15 6月 1992

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