Boundary condition for fluid flow: Curved or rough surfaces
- 7 May 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 64 (19) , 2269-2272
- https://doi.org/10.1103/physrevlett.64.2269
Abstract
The curvature of the boundary is shown to alter the fluid’s slip length, which may even become negative as a result. Due to the mesoscopic curvature of surface roughness, the microscopically calculated and the macroscopically measured slip lengths can be quite different.Keywords
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