This paper presents an initial experimental and computational investigation of a flow-induced vibration energy harvester with a compliant flexure mechanism. This energy harvester utilizes the aeroelastic flutter phenomenon to convert the flow energy to vibrational energy which can be converted into useful electrical power using piezoelectric transducers. However, unlike previous flutter-based flow energy harvesters [1] which require assembling multiple components to create the necessary aeroelastic arrangement, the device described here utilizes a monolithic, compact design to achieve the same. In this paper, we propose a flexure design for this device and model it using analytic methods and finite element simulations. A proof of concept energy harvester incorporating this flexure design has been fabricated and experimentally investigated in wind tunnel testing.
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ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 8–10, 2014
Newport, Rhode Island, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4615-5
PROCEEDINGS PAPER
Design of a Compliant Flexure Joint for Use in a Flow Energy Harvester Available to Purchase
Punnag Chatterjee,
Punnag Chatterjee
North Carolina State University, Raleigh, NC
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Matthew Bryant
Matthew Bryant
North Carolina State University, Raleigh, NC
Search for other works by this author on:
Punnag Chatterjee
North Carolina State University, Raleigh, NC
Matthew Bryant
North Carolina State University, Raleigh, NC
Paper No:
SMASIS2014-7503, V002T07A009; 8 pages
Published Online:
December 8, 2014
Citation
Chatterjee, P, & Bryant, M. "Design of a Compliant Flexure Joint for Use in a Flow Energy Harvester." Proceedings of the ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bioinspired Smart Materials and Systems; Energy Harvesting. Newport, Rhode Island, USA. September 8–10, 2014. V002T07A009. ASME. https://doi.org/10.1115/SMASIS2014-7503
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