Instability of co-flow in a Hele-Shaw cell with cross-flow varying thickness

Article Mechanics

Upscaling multiphase viscous-to-capillary transitions in heterogeneous porous media

Graham P. Benham et al.

Summary: This study focuses on upscaling the effect of heterogeneities in porous media, specifically in relation to multiphase flow and the transition between viscous and capillary flow regimes. By modifying the classic Buckley-Leverett problem, the study demonstrates how and where the flow transitions between these regimes and its impact on flooding speeds. The implications of these results in the context of carbon dioxide sequestration are also discussed and compared with field data.

JOURNAL OF FLUID MECHANICS (2021)

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Article Mechanics

Immiscible capillary flows in non-uniform channels

Patrick K. Mortimer et al.

Summary: This study examines the release of preferentially wetting fluid in a V-shaped channel, investigating initial exchange flow and later spreading of the wetting fluid along the narrow part of the channel. The behavior of the fluid is influenced by buoyancy and capillarity under different conditions.

JOURNAL OF FLUID MECHANICS (2021)

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Article Multidisciplinary Sciences