Nominal Wake Prediction For Marine Propeller Design Using OpenFOAM
DOI:
https://doi.org/10.70567/mc.v42.ocsid8228Keywords:
Marine hydrodynamics, Nominal wake, Marine propulsion, Propeller designAbstract
The propulsive efficiency of a ship is intrinsically linked to the interaction between the hull and the propeller. A determining factor in this interaction is the nominal wake, defined as the velocity profile that the hull generates in the area where the propeller will operate, prior to its installation. An accurate characterization of this wake is fundamental for the design and selection of propellers that can operate optimally under the flow conditions induced by the hull. In this work, computational fluid dynamics (CFD) simulations are employed using OpenFOAM and the RANS model with the Volume of Fluid (VOF) approach to analyze the flow around the hull and obtain the nominal wake. The results obtained are compared with a benchmark case study, allowing for the evaluation of the accuracy of the CFD model in predicting the flow behavior generated by the hull without the influence of the propeller.
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