Abstract
The energy saving of ships has become an important task in shipbuilding and shipping field globally. It relates to the fuel saving, the cost reduction of transportation, environment protection and profit of enterprises companies. Previous researches of ship energy-saving mainly focused on optimization of ship hull, and the additional energy-saving devices, etc. This paper develops V-bracket design through computational fluid dynamic (CFD) calculation and model test. First The orientation and distribution of streamline around the V-bracket under the condition of the ship economic speed were determined by the means of numerical calculation. Then, the attack angle of V-bracket was determined by the direction of wake-flow velocity vector, so that the effect of resistance will be better than other attack angles. A set of reasonable method of V-bracket attack angle procedure design is presented.
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