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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Journal of Porous Media
Импакт фактор: 1.49 5-летний Импакт фактор: 1.159 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN Печать: 1091-028X
ISSN Онлайн: 1934-0508

Выпуски:
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Journal of Porous Media

DOI: 10.1615/JPorMedia.v15.i8.20
pages 721-733

TIME DEPENDENCE OF FREE FALL GRAVITY DRAINAGE IN UNCONSOLIDATED SAND

Stefan Iglauer
Department of Earth Science and Engineering, Imperial College London, Prince Consort Road, London SW7 2BP, UK
Ann H. Muggeridge
Department of Earth Science and Engineering, Imperial College London, United Kingdom

Краткое описание

The time dependence of the gravity drainage of brine through a water wet porous medium has been examined experimentally using continuous resistance measurements in three 1 m columns packed with sand. Analysis of the resulting data showed that water saturation at any particular location had a power law dependence on time. This was shown to be consistent with gravity-dominated drainage and the fact that the water relative permeability can be described by the Corey parameterization. This confirmed earlier analyses which showed that gravity-dominated drainage should have a power law dependence on time.


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