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    CFD validation and grid sensitivity studies of full scale ship self propulsion

    CFD validation and grid sensitivity studies of full scale ship self propulsion

    Freier Zugriff

    A comparison between sea trial measurements and full–scale CFD results is presented for two self–propelled ships. Two ships considered in the present study are: a general cargo carrier at Froude number Fn=0.182 and a car carrier at Fn=0.254. For the general cargo carrier, the propeller rotation rate is fixed and the achieved speed and trim are compared to sea trials, while for the car carrier, the propeller rotation rate is adjusted to achieve the 80% MCR. In addition, three grids are used for each ship in order to assess the grid refinement sensitivity. All simulations are performed using the Naval Hydro pack based on foam-extend, a community driven fork of the OpenFOAM software. The results demonstrate the possibility of using high–fidelity numerical methods to directly calculate ship scale flow characteristics, including the effects of free surface, non–linearity, turbulence and the interaction between propeller, hull and the flow field. Keywords: Full scale ship propulsion, Actuator disc, Sea trial validation, Grid sensitivity studies, OpenFOAM

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    Titel :

    CFD validation and grid sensitivity studies of full scale ship self propulsion

    Beteiligte:
    Hrvoje Jasak (Autor:in) / Vuko Vukčević (Autor:in) / Inno Gatin (Autor:in) / Igor Lalović (Autor:in)
    Erschienen in:

    International Journal of Naval Architecture and Ocean Engineering, Vol 11, Iss 1, Pp 33-43 (2019)

    Erscheinungsdatum :

    2019

    ISSN :

    2092-6782

    DOI :

    https://doi.org/10.1016/j.ijnaoe.2017.12.004

    Medientyp :

    Aufsatz (Zeitschrift)

    Format :

    Elektronische Ressource

    Sprache :

    Unbekannt

    Schlagwörter :

    Ocean engineering , TC1501-1800 , Naval architecture. Shipbuilding. Marine engineering , VM1-989

    Metadata by DOAJ is licensed under ​CC BY-SA 1.0

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