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| Author(s) Jan B. Haelssig, Seyed Gh. Etemad, Andre Y. Tremblay, Jules Thibault |
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| Title Parametric Study for Vapour-Liquid Flow in a Narrow Channel |
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| Publication Name 8th World Congress of Chemical Engineering, Montreal |
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Publication Year 2009 |
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| Abstract In the design of vapour-liquid separation devices, it is important to study the fluid flow behaviour to identify physical limitations and predict optimal performance. In this investigation, a simple geometry consisting of a narrow vertical channel was used to investigate the effects of certain key parameters on the flow patterns of an ethanol-water system. The parameters included the liquid Reynolds number, ethanol concentration, contact angle and pressure drop. The vapour phase velocity profile was significantly influenced by the pressure difference through the channel. The ethanol concentration and liquid Reynolds number were found to have a significant impact on the liquid holdup (film thickness) as well as the velocity profiles in the liquid and vapour phases. In the ranges studied, the contact angle and pressure drop were found to have a negligible effect on the liquid holdup. |
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