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10.1098/rspa.2016.0583 http://scihub22266oqcxt.onion/10.1098/rspa.2016.0583 C5134311!5134311!27956880     free     free     free Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Proc+Math+Phys+Eng+Sci 2016 ; 472 (2195): ä Nephropedia Template TP {{tp|p=27956880|t=2016. Optimal energy harvesting from vortex-induced vibrations of cables |pdf=|usr=}}{{27956880}} gab.com Text Optimal energy harvesting from vortex-induced vibrations of cables JO: Proc Math Phys Eng Sci http://www.kidney.de/pget.php?&tw=1&pmid=27956880 #FOAvip Vortex-induced vibrations (VIV) of flexible cables are an example of flow-induced vibrations that can act as energy harvesting systems by converting energy associated with the spontaneous cable motion into electricity. This work investigates the optimal positioning of the harvesting devices along the cable, using numerical simulations with a wake oscillator model to describe the unsteady flow forcing. Using classical gradient-based optimization, the optimal harvesting strategy is determined for the generic configuration of a flexible cable fixed at both ends, including the effect of flow forces and gravity on the cable?s geometry. The optimal strategy is found to consist systematically in a concentration of the harvesting devices at one of the cable?s ends, relying on deformation waves along the cable to carry the energy towards this harvesting site. Furthermore, we show that the performance of systems based on VIV of flexible cables is significantly more robust to flow velocity variations, in comparison with a rigid cylinder device. This results from two passive control mechanisms inherent to the cable geometry: (i) the adaptability to the flow velocity of the fundamental frequencies of cables through the flow-induced tension and (ii) the selection of successive vibration modes by the flow velocity for cables with gravity-induced tension. Twit Text FOAVip Optimal energy harvesting from vortex-induced vibrations of cables ????Proc Math Phys Eng Sci http://www.kidney.de/pget.php?&tw=1&pmid=27956880 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=27956880 #FOAvip English Wikipedia <ref>{{Cite pmid|27956880}}</ref> Optimal energy harvesting from vortex-induced vibrations of cables #MMPMID27956880 Antoine GO; de Langre E; Michelin S Proc Math Phys Eng Sci 2016[Nov]; 472 (2195): ä PMID27956880show ga Vortex-induced vibrations (VIV) of flexible cables are an example of flow-induced vibrations that can act as energy harvesting systems by converting energy associated with the spontaneous cable motion into electricity. This work investigates the optimal positioning of the harvesting devices along the cable, using numerical simulations with a wake oscillator model to describe the unsteady flow forcing. Using classical gradient-based optimization, the optimal harvesting strategy is determined for the generic configuration of a flexible cable fixed at both ends, including the effect of flow forces and gravity on the cable?s geometry. The optimal strategy is found to consist systematically in a concentration of the harvesting devices at one of the cable?s ends, relying on deformation waves along the cable to carry the energy towards this harvesting site. Furthermore, we show that the performance of systems based on VIV of flexible cables is significantly more robust to flow velocity variations, in comparison with a rigid cylinder device. This results from two passive control mechanisms inherent to the cable geometry: (i) the adaptability to the flow velocity of the fundamental frequencies of cables through the flow-induced tension and (ii) the selection of successive vibration modes by the flow velocity for cables with gravity-induced tension. äOptimal energy harvesting from vortex-induced vibrations of cables (epmc).pdf DeepDyve Pubget Overpricing