Simplified generalised drift velocity correlation for elongated bubbles in liquid in pipes

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dc.contributor.authorLivinus, Aniefiok
dc.contributor.authorVerdin, Patrick G.
dc.contributor.authorLao, Liyun
dc.contributor.authorNossen, Jan
dc.contributor.authorLangsholt, Morten
dc.contributor.authorSleipnæs, Hans-Gunnar
dc.date.accessioned2017-11-07T15:18:44Z
dc.date.available2017-11-07T15:18:44Z
dc.date.issued2017-10-14
dc.description.abstractMost of the existing drift velocity models have limitations, and sometimes low predictive capabilities, primarily because they are derived from experimental data which scarcely account for the combined effect of viscosity, surface tension and pipe inclination. Published data of drift velocity of elongated bubbles in pipes have been extracted from the open literature, and new data have been generated from Taylor bubble experiments conducted in a low pressure flow loop using nominal oil viscosities of 160cP and 1140cP in 0.099 m and 0.057 m internal diameter inclined pipes (1.0–7.5° from horizontal). These data have been processed and a simplified generalised drift velocity correlation established. The evaluation of some existing elongated bubble rise velocity has also been carried out. The prediction of the drift velocity of a single elongated gas bubble in liquid in pipes can sometimes be over-estimated by 20% or more, and sometimes be under-estimated by 20% or more. It is shown that the new proposed simplified generalised correlation has an improved predictive capability when used to estimate the drift velocity of a bubble in stagnant liquid in a pipe.en_UK
dc.identifier.citationLivinus A, Verdin P, Lao L, Nossen J, Langsholtb M, Sleipnæsb H-G, Simplified generalised drift velocity correlation for elongated bubbles in liquid in pipes, Journal of Petroleum Science and Engineering, Vol. 160, January 2018, pp. 106-118en_UK
dc.identifier.cris18770959
dc.identifier.issn0920-4105
dc.identifier.urihttp://dx.doi.org/10.1016/j.petrol.2017.10.023
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/12704
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectTaylor bubbleen_UK
dc.subjectRise velocityen_UK
dc.subjectGeneralised drift velocityen_UK
dc.subjectElongated bubbleen_UK
dc.titleSimplified generalised drift velocity correlation for elongated bubbles in liquid in pipesen_UK
dc.typeArticleen_UK

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