Wind tunnel tests were conducted on a flat plate subjected to classical flutter instability for energy harvesting purposes. Critical conditions and post-critical limit-cycle oscillation amplitudes were observed to explore the effects of small barriers with different porosity, installed at the leading and trailing edge of the plate. The instability threshold was slightly anticipated and the sub-critical branch was extended toward lower flow speeds.
Experimental investigations on a flat plate equipped with porous barriers undergoing classical flutter oscillations / Pigolotti, Luca; Mannini, Claudio; Bartoli, Gianni. - STAMPA. - (2016), pp. 131-132. (Intervento presentato al convegno 14th Conference of the Italian Association for Wind Engineering IN-VENTO 2016 tenutosi a Terni nel 25-28 September 2016).
Experimental investigations on a flat plate equipped with porous barriers undergoing classical flutter oscillations
PIGOLOTTI, LUCA;MANNINI, CLAUDIO;BARTOLI, GIANNI
2016
Abstract
Wind tunnel tests were conducted on a flat plate subjected to classical flutter instability for energy harvesting purposes. Critical conditions and post-critical limit-cycle oscillation amplitudes were observed to explore the effects of small barriers with different porosity, installed at the leading and trailing edge of the plate. The instability threshold was slightly anticipated and the sub-critical branch was extended toward lower flow speeds.
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