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- Title
Observation of the induced pressure in a hybrid micro/nano-channel.
- Authors
Kong, Gao-pan; Zheng, Xu; Silber-Li, Zhan-hua; Xu, Zheng
- Abstract
This paper studies the flow characteristics in micro/nano-channels subjected to an applied electric field. The nano-channel flow was observed by means of the fluorescence Calcein. A Fluorescence Concentration Gradient Interface (FCGI) was observed across the nano-channel array. The front of the FCGI was shown to have an analogous parabolic shape. The propagation of this interface reflects indirectly the induced pressure at the micro/nano-channel junction, where the enrichment-depletion processes are known to take place. This induced pressure was predicted by numerical simulations, and this paper gives the first experimental evidence.
- Publication
Journal of Hydrodynamics, 2013, Vol 25, Issue 2, p274
- ISSN
1001-6058
- Publication type
Article
- DOI
10.1016/S1001-6058(13)60363-7