Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session G36: Suspensions: Fluid-Particle Interaction
10:35 AM–12:45 PM,
Monday, November 19, 2018
Georgia World Congress Center
Room: B408
Chair: Brian Utter, Bucknell University
Abstract ID: BAPS.2018.DFD.G36.5
Abstract: G36.00005 : Graphene nanoplatelets attain a stable orientation in a shear flow*
11:27 AM–11:40 AM
Presenter:
Catherine Kamal
(Queen Mary University of London)
Authors:
Catherine Kamal
(Queen Mary University of London)
Simon Gravelle
(Facultad de Ingenier iay Ciencias, Universidad Adolfo Ibanez, Vina del Mar, Chile)
Lorenzo Botto
(Queen Mary University of London)
We develop a theory that suggests stable orientation occurs when the thickness 2b of the nanoplatelet is of the same order of the slip length λ; the stable inclination angle αc depends on the aspect ratio b/a of the platelet according to αc$\propto$(b/a)1/2 for λ/a» 1. The stable orientation criterion is satisfied in many practical situations, suggesting that graphene could be held aligned indefinitely in controlled flows.
*Project funded by ERC Project FLEXNANOFLOW n. 715475
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.G36.5
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