Abstract
Till now, work on the bulbous bow has been based on the calculation of interference between the wave patterns of the ship and a sphere or other geometric solid to represent the bulb. The proposed hypothesis examines the underlying causes of wave and other effects, and hence produces a simple qualitative appreciation of the action of the bulb, in terms of pressure fields. Conclusions are drawn about bulb design for both full and fine ships, and a new type of bulb, in the farm of a cylindrical nose, is proposed. In terms of this type of bulb, a simple analysis of the flow round the fore body is suggested.
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