Capillary filling in microchannels patterned by posts.
We investigate the capillary filling of three-dimensional microchannels with surfaces patterned by posts of square cross section. We show that pinning on the edges of the posts suppresses and can halt capillary filling. We stress the importance of the channel walls in controlling whether filling can...
Main Authors: | Mognetti, B, Yeomans, J |
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Format: | Journal article |
Language: | English |
Published: |
2009
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