http://www.cnr.it/ontology/cnr/individuo/prodotto/ID3645
Capillary filling in patterned channels (Articolo in rivista)
- Type
- Label
- Capillary filling in patterned channels (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevE.77.067301 (literal)
- Alternative label
Kusumaatmaja, H; Pooley, CM; Girardo, S; Pisignano, D; Yeomans, JM (2008)
Capillary filling in patterned channels
in Physical review. E, Statistical, nonlinear, and soft matter physics (Print); The American Physical Society, Ridge, NY (Stati Uniti d'America)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Kusumaatmaja, H; Pooley, CM; Girardo, S; Pisignano, D; Yeomans, JM (literal)
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- ISI Web of Science (WOS) (literal)
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- \"[Kusumaatmaja, H.; Pooley, C. M.; Yeomans, J. M.] Rudolf Peierls Ctr Theoret Phys, Oxford OX1 3NP, England; [Girardo, S.; Pisignano, D.] Univ Salento, Scuola Super ISUFI, I-73100 Lecce, Italy; [Girardo, S.; Pisignano, D.] Ist Nazl Fis Mat, CNR, Natl Nanotechnol Lab, NNL, I-73100 Lecce, Italy (literal)
- Titolo
- Capillary filling in patterned channels (literal)
- Abstract
- We show how the capillary filling of microchannels is affected by posts or ridges on the sides of the channels. Ridges perpendicular to the flow direction introduce contact line pinning, which slows, or sometimes prevents, filling, whereas ridges parallel to the flow provide extra surface that may enhance filling. Patterning the microchannel surface with square posts has little effect on the ability of a channel to fill for equilibrium contact angle theta(e)less than or similar to 30 degrees. For theta(e)greater than or similar to 60 degrees, however, even a small number of posts can pin the advancing liquid front. (literal)
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