Control of rotating cylinders as suppressors of vortex-induced vibration of a bluff body

dc.creatorOrtega, Mariana Silva
dc.creatorOrselli, Reinaldo Marcondes
dc.creatorAssi, Gustavo Roque da Silva
dc.date.accessioned2015-05-12T17:28:18Z
dc.date.accessioned2018-07-04T17:05:07Z
dc.date.available2015-05-12T17:28:18Z
dc.date.available2018-07-04T17:05:07Z
dc.date.created2015-05-12T17:28:18Z
dc.date.issued2014-11-10
dc.identifierCongresso Nacional de Transporte Aquaviário, Construção Naval e Offshore,25, 2014, Rio de Janeiro
dc.identifierhttp://www.producao.usp.br/handle/BDPI/48850
dc.identifierhttp://www.sobena.org.br/publicacoes.asp
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1644439
dc.description.abstractThe flow past a plain circular cylinder can be controlled by eight small cylinders rotating about the diameter. They rotate such that the tip speed varies from 0 to 1.5 times the free-stream velocity. A numerical approach is employed to simulate the laminar flow at a Reynolds number of 100. Computations are carried out for various values of gap between the main body and the control cylinders. The governing equations are discretized by a finite volume method for a two-dimensional computational domain. A gap value of one-hundredth the diameter of the main cylinder is found to be the optimal value that produced a steady wake. Compared to the flow past an isolated cylinder it is observed a reduction in the drag coefficient. Unsteady hydrodynamic forces is presented for all tested cases.
dc.languageeng
dc.publisherSOBENA
dc.publisherRio de Janeiro
dc.relationCongresso Nacional de Transporte Aquaviário, Construção Naval e Offshore, 25
dc.rightsSOBENA
dc.rightsclosedAccess
dc.subjectCircular cylinder
dc.subjectFinite volume method
dc.subjectHydrodynamic
dc.titleControl of rotating cylinders as suppressors of vortex-induced vibration of a bluff body
dc.typeActas de congresos


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