A NOTE ON CAPILLARY INVASION IN NON-UNIFORM CHANNELS

被引：5
|
作者：
Hyvaluoma, Jari [1 ]
机构：
[1] MTT Agrifood Res Finland Soil & Plant Nutr, FI-31600 Jokioinen, Finland
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS C | 2009年 / 20卷 / 12期
关键词：
Imbibition; capillary rise; wetting; lattice Boltzmann;
D O I：
10.1142/S0129183109014801
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
We investigate imbibition of a wetting liquid in power-law-shaped channels by numerical simulations with a two-phase lattice Boltzmann model. At short times, the dynamics of the imbibition follows diffusive scaling similar to that in uniform capillaries, but at longer times power-law behavior with exponent depending on the channel shape changes is observed. The observed behavior is in exact agreement with a recent theory of Reyssat and co-workers.
引用
收藏
页码：1903 / 1909
页数：7
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