Marine propellers performance and flow-field prediction by a free-wake panel method (Articolo in rivista)

Type
Label
  • Marine propellers performance and flow-field prediction by a free-wake panel method (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S1001-6058(14)60087-1 (literal)
Alternative label
  • Greco, Luca Muscari, Roberto Testa, Claudio Di Mascio, Andrea (2014)
    Marine propellers performance and flow-field prediction by a free-wake panel method
    in Journal of Hydrodynamics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Greco, Luca Muscari, Roberto Testa, Claudio Di Mascio, Andrea (literal)
Pagina inizio
  • 780 (literal)
Pagina fine
  • 795 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 26 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INSEAN - CNR IAC-CNR (literal)
Titolo
  • Marine propellers performance and flow-field prediction by a free-wake panel method (literal)
Abstract
  • A Boundary Element Method (BEM) hydrodynamics combined with a flow-alignment technique to evaluate blades shed vorticity is presented and applied to a marine propeller in open water. Potentialities and drawbacks of this approach in capturing propeller performance, slipstream velocities, blade pressure distribution and pressure disturbance in the flow-field are highlighted by comparisons with available experiments and RANSE results. In particular, correlations between the shape of the convected vortex- sheet and the accuracy of BEM results are discussed throughout the paper. To this aim, the analysis of propeller thrust and torque is the starting point towards a detailed discussion on the capability of a 3-D free-wake BEM hydrodynamic approach to describe the local features of the flow-field behind the propeller disk, in view of applications to propulsive configurations where the shed wake plays a dominant role. (literal)
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