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Recently, the ship model test of the external unit pool has been verified, and the 9400TEU container ship line plan commissioned by the 808 Civilian Ship Department and optimized by the Basic Research Department has been successful. The program can meet the power and fuel consumption indicators of the Mediterranean shipping for the latest operational needs, multiple drafts and multiple speeds, and the application prospects are promising.
It is understood that compared with the existing real ship program, the optimization plan only modifies the local profile before the ship's 18.5 station. The power is only increased by 3.8% when the structure is under water, the maximum speed is 22.5 knots, and the power is reduced by 9% and 23% at 18 knots and 14 knots respectively. When designing under water, the speed is reduced at 23 knots, 19 knots and 15 knots respectively. 4%, 20% and 28%, the overall economic efficiency of the ship type has been improved.
The research on the comprehensive optimization of ship type water and multi-speed is a new topic in the field of box ship design in recent years, and the technical difficulty is very large. In the 9400TEU multi-objective optimization project, in the face of the synchronous competition of foreign design companies (the existing ship's profile providers), the research team of the 708 Basic Research Department actively exerted expert experience and fully applied the profile. The automatic optimization platform and CFD analysis and forecasting technology, closely combined with the chief engineer of the Ministry of Civil Ships, repeated iterations to optimize the design, and persevere, and finally designed a more comprehensive line plan, which made the external competitiveness of the large container ship Actively contribute.