In the design phase of the Wageningen F-Series Propellers
, both inventory and detailed design work have been carried out for various types of ships, covering merchant vessels to high speed crafts; submarines to cruise ships and yachts. The study showed that the geometric characteristics of the propellers for the cruise ships and yachts distinguished from that of the rest of the ship types studied. It was hence decided during the previous JIP meetings that the cruise ships, the yachts and other ships with high demands on comfort levels should be excluded from the Wageningen F-Series Propellers. Instead, a small series called Wageningen FC-Series, where C denotes for comfort, should be developed.
The objective of the Extension of the JIP towards a Wageningen FC-Series is to design and test 18 additional propellers with focus on energy saving (conforming the requirement of government on subsidies) while assuring the present performance on comfort of such ships. Only 5- and 6-bladed propellers and with a pitch ratio equal to or higher than 1.0 will be considered.
STATE OF THE ART TOOLS
Multi-objective optimisation tools, in combination with both Boundary Element Methods (BEM) and Reynolds-averaged Navier-Stokes (RANS) CFD methods will be used in the design stage.
All propeller models will be manufactured on a new 5-axis milling machine, and tested in open water conditions using the quasi-steady measurement technique, which was successfully deployed for the previous CD-series propellers.
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