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 A06: Energy Harvesting and Power Generation I
8:00 AM–9:57 AM,
Sunday, November 18, 2018
Georgia World Congress Center Room: B208
Chair: Oscar Curet, Florida Atlantic University
Abstract ID: BAPS.2018.DFD.A06.9
Abstract: A06.00009 : Using cyber-physical pitch-heave systems for both energy harvesting and propulsion*
9:44 AM–9:57 AM
We report on the use of a cyber-physical system to characterize and optimize the performance of both energy harvesting and propulsion modes using a pitch-heave hydrofoil in uniform flows. Expanding on previous work (e.g. Hover et al. 1997, Mackowski and Williamson 2011), a force-feedback cyber-physical system is used to achieve an elastically-mounted hydrofoil in which active kinematics and/or passive (mass-spring-damper) responses can be achieved in both heave and pitch. A wide range of parameters can be easily explored for use in both energy harvesting or propulsion applications. The system with a prescribed pitch motion and a passive heave motion is appropriate for energy harvesting and we identify the relationship between the forced pitch kinematics and the natural heave dynamics. The effects of non-sinusoidal pitch dynamics, and nonlinear spring stiffness are reported. Propulsion is achieved using active heave with a passive pitch response and the effects of non-sinusoidal kinematics and nonlinear structural dynamics for locomotion are also reported.
*This research is supported by the ARPA-e and AFOSR.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.A06.9
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