Turning Ability Characteristics Study of a Twin Screw Vessel by CFD (Contributo in atti di convegno)

Type
Label
  • Turning Ability Characteristics Study of a Twin Screw Vessel by CFD (Contributo in atti di convegno) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Broglia, R. ; Durante, D. ; Dubbioso, G. ; Di Mascio, A. (2011)
    Turning Ability Characteristics Study of a Twin Screw Vessel by CFD
    in International Conference on Computational Methods in Marine Engineering : MARINE 2011, Lisbon (portugal), 28-30 settembre 2011
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Broglia, R. ; Durante, D. ; Dubbioso, G. ; Di Mascio, A. (literal)
Pagina inizio
  • 266 (literal)
Pagina fine
  • 277 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://congress.cimne.com/marine2011/frontal/doc/MARINE_11_ebook.pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • Computational Methods in Marine Engineering IV : MARINE 2011 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR_IAC ; CNR-INSEAN (literal)
Titolo
  • Turning Ability Characteristics Study of a Twin Screw Vessel by CFD (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-84-89925-79-3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • L. Eça, E. Oñate, J. García, T. Kvamsdal and P. Bergan (Eds.) (literal)
Abstract
  • The turning circle manoeuvre of a self{propelled tanker like ship model is nu- merically simulated through the integration of the Unsteady Reynolds Averaged Navier{ Stokes (URANS) equations coupled with the equations of the motion of a rigid body. The solution is achieved by means of the unsteady RANS solver Xnavis developed at CNR- INSEAN. The ship model is in its fully appended conguration, and it is characterized by the presence of two propellers and one rudder. Each propeller is taken into account by a model based on the actuator disk concept. It is shown that, in order to accurately predict the trajectory, the side force developed by the propeller should be taken into account; several models are tested. Comparison with experimental data from free running tests is provided. The main features of the ow eld, with particular attention to the vortical structures detached for the hull is presented as well. (literal)
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