Gravity Fingering During Water Infiltration in Soil: Potential Implications for the Ecohydrology of Arid Climates

Mar 21

Tuesday, March 21, 2017

12:00 pm - 1:00 pm
Fitzpatrick Center Schiciano Auditorium Side B

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Ruben Juanes, Associate Professor, MIT

The displacement of one fluid by another in a porous medium gives rise to a rich variety of hydrodynamic instabilities. Beyond their scientific value as fascinating models of pattern formation, unstable porous-media flows are essential to understanding many natural and man-made processes, including water infiltration in the vadose zone, carbon dioxide injection and storage in deep saline aquifers, and methane venting from organic-rich sediments. Here, we review the gravity-fingering instability that emerges during water infiltration in soil, and propose a phase-field modeling framework that captures the phenomenon and permits quantitative predictions.


Carpenter, Ruby Nell

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