The 'Enlarged Ship Concept' (ESC) was successfully applied to a freighter in the form of a RORO Cargo/Passenger Vessel. Their results showed a performance improvement both in a technical and economical sense, however recommendations were made for further improvement of the enlarged ship designs in order to produce even better results. These recommendation include the following design work: optimization of the vertical position of the upper deck of the enlarged vessel in order to reduce the vessel mass, while, at the same time, satisfying the requirements regarding allowable stress values due to longitudinal bending moments; optimize the mass of the enlarged vessels by the utilization of high tensil steel; optimize the vessel form with regard to vessel resistance and propulsion; optimize the vessels turn around time by not utilizing the lower deck for the carriage of trailers. In this paper these recommendations are carried out which lead to an even more promising performance improvement both in a technical and economical sense. It is shown that the ESC certaintly has a good viability for these types of vessels creating even more income possibilities for the shipowners and a much safer vessel, even though it produces a more expensive ship to buy and exploit.
Further Optimisation of the Enlarged Ship Concept Applied to RORO Cargo/Passenger Vessel
1999
18 pages
Report
No indication
English
Marine Engineering , Cargo ships , Passenger ships , Optimization , Freight transportation , Ship decks , Superstructures , Hydrodynamic configurations , Hydromechanics , Seakeeping , Ship maneuvering , Stresses , Bending moments , Dynamic response , Ship propulsion , Enlarged Ship Concept , Foreign technology , Enlargement
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