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Effect of liquid viscosity on the stratified-slug transition in horizontal pipe flow |
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| Authors: | N. Andritsos L. Williams T.J. Hanratty |
| Affiliation: | Chemical Process Engineering Research Institute, P.O. Box 19517, 540 06, Thessaloniki, Greece Department of Chemical Engineering, University of Illinois, Urbana, IL 61801, U.S.A. |
| Abstract: | The effect of liquid viscosity on the initiation of slug flow was studied in horizontal 2.52 and 9.53 cm pipelines. The results show the stabilizing effect of viscosity predicted by Lin & Hanratty, and are at variance with analyses which use a long-wavelength inviscid approximation. For very viscous liquids a stability analysis which recognizes that slugs originate from a train of small-wavelength sinusoidal waves seems consistent with the measurements. |
| Keywords: | two-phase flow horizontal gas—liquid transition slug flow experimental liquid viscosity |
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