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physics.flu-dyn2015
Roughening dynamics of spontaneous radial imbibition
Yong-Jun Chen, Kenichi Yoshikawa
We performed an experimental observation on the spontaneous imbibition of water in a porous media in a radial Hele-Shaw cell and confirmed Washburn's law, where r is distance and t…
physics.flu-dyn2015
Anomalous roughening of forced radial imbibition in a porous medium
Yong-Jun Chen, Shun Watanabe, Kenichi Yoshikawa
We report forced radial imbibition of water in a porous medium in a Hele-Shaw cell. Washburn's law is confirmed in our experiment. Radial imbibition follows scaling dynamics and sh…
physics.flu-dyn2006★ 85 cited
Rhythmic Motion of a Droplet under a DC Electric Field
M. Hase, S. N. Watanabe, K. Yoshikawa
The effect of a stationary electric field on a water droplet with a diameter of several tens micrometers in oil was examined. Such a droplet exhibits repetitive translational motio…