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Co‐current stratified flow of immiscible liquids: Velocity distribution and pressure gradient in the laminar‐laminar and laminar‐turbulent regimes
Author(s) -
Wang Chester CC,
Charles M. E.
Publication year - 1981
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450590604
Subject(s) - laminar flow , turbulence , mechanics , laminar flow reactor , laminar sublayer , current (fluid) , flow (mathematics) , pressure gradient , work (physics) , flow separation , materials science , thermodynamics , open channel flow , physics
Abstract Further studies on the co‐current stratified flow of two immiscible liquids in closed conduits with emphasis on the laminar‐laminar and laminar‐turbulent regimes are reported. Experimental velocity distributions obtained using a photo‐chromic dye technique and pressure gradients for the flow of oil/water and oil/ethanol‐water systems in a rectangular conduit are compared with predictions developed from fundamental concepts. The agreement between the experimental data and the predictions are very satisfactory in both flow regimes. As a consequence, further work should now be focussed on the turbulent‐turbulent regime.