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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Multiphase Science and Technology
SJR: 0.124 SNIP: 0.222 CiteScore™: 0.26

ISSN Печать: 0276-1459
ISSN Онлайн: 1943-6181

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Multiphase Science and Technology

DOI: 10.1615/MultScienTechn.v19.i3.30
pages 241-267

GAMMAS AND X-RAY TOMOGRAPHY OF LIQUID-LIQUID AND GAS-LIQUID-LIQUID FLOWS

Colin P. Hale
Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
Geoffrey F. Hewitt
Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
B. Hu
Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
S. M. Richardson
Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
W. L. Wong
EPTG Pipelines Team, BP Exploration, Sunbury-on-Thames, TW16 7LN, UK

Краткое описание

This article describes work carried out at Imperial College, London, in which a variety of gamma and X-radiography techniques were applied to the study of flows with two liquid phases (i.e., liquid-liquid two-phase flows and liquid-liquid-gas three-phase flows). Using a series of single-beam, single-energy gamma densitometers, it was possible to obtain data on the evolution of slug velocity and frequency. Using a traversing-beam, dual-energy densitometer, it was possible to obtain tomographic data on average phase distribution and (by conditional sampling) the phase distribution in the slugs. Using a triple-beam, dual-energy gamma densitometer, it was possible to obtain transient phase distribution data in the cross section, though at limited locations. Finally, complete cross-sectional distributions of the phases were obtained using a multibeam X-ray system, again in a form suitable for interpretation using a tomographic algorithm.


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