11 April 2017 Experimental investigation of flow induced limit cycle oscillations in a tensioned ribbon
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Researchers have performed theoretical investigations of flow induced limit cycle oscillations (LCOs) of tensioned ribbons. Furthermore, attempts have been made to tap into the energy harvesting capability of such ribbons, owing to its structural simplicity, low weight and ease of fabrication. However, in order to tune the ribbon to perform optimally at a given location, a robust, reliable model of the ribbon is essential to predict the limit cycle behavior. The model needs validation across a broad spectrum of its operating envelope based on experimentally obtained results. This paper seeks to provide experimental data for a sample tensioned ribbon in cross flow to serve as basis for validation of an aeroelastic model. This paper experimentally characterizes a PTFE (polytetrafluoroethylene) ribbon of aspect ratio 18 across a range of applied axial preload tension and wind speeds.
Conference Presentation
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Punnag Chatterjee, Punnag Chatterjee, Nicholas Mazzoleni, Nicholas Mazzoleni, Matthew Bryant, Matthew Bryant, } "Experimental investigation of flow induced limit cycle oscillations in a tensioned ribbon", Proc. SPIE 10164, Active and Passive Smart Structures and Integrated Systems 2017, 1016402 (11 April 2017); doi: 10.1117/12.2260184; https://doi.org/10.1117/12.2260184

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