https://doi.org/10.1140/epje/i2020-11937-0
Regular Article
Note on the instability mechanism of gravity-driven unsaturated slow flow in porous media
1
State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, CAS, 830011, Urumqi, P.R. China
2
Northwest Institute of Eco-Environment and Resources, CAS, 730000, Lanzhou, P.R. China
* e-mail: wangzht@lzu.edu.cn
Received:
9
August
2019
Accepted:
3
February
2020
Published online:
17
February
2020
A capillary tube model reveals that the surface tension at the air-water interface cannot cause the instability of gravity-driven unsaturated slow flow in sandy soils.
Key words: Flowing Matter: Liquids and Complex Fluids
© EDP Sciences, Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature, 2020
