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 G14: Aerodynamics: Fluid Structure Interaction II
10:35 AM–12:45 PM,
Monday, November 19, 2018
Georgia World Congress Center
Room: B301
Chair: David MacPhee, The University of Alabama
Abstract ID: BAPS.2018.DFD.G14.4
Abstract: G14.00004 : A Galloping Energy Harvester with Attached Flow Near The Zero Displacement Position*
11:14 AM–11:27 AM
Presenter:
Sam Tucker Harvey
(University of Warwick)
Authors:
Sam Tucker Harvey
(University of Warwick)
Petr Denissenko
(University of Warwick)
Igor A Khovanov
(University of Warwick)
The work presented relates to a new geometry for a galloping energy harvester. Dissimilarly to the galloping geometries typically studied in literature, the flow is found to become attached on the rear face of the geometry as the velocity nears its maxima, hence acting more similarly to an airfoil than a bluff body. The behaviour is also found to relate to the interaction between vortex induced vibration and galloping.
The dynamics of a prototype device have been characterised experimentally with the use of a motion tracking system, while the flow structure generated around the device have been visualised with by smoke visualisation. The experimental results are compared to a lumped parameter model providing an insight into the underlying dynamics.
*This project is funded by ESPRC.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.G14.4
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