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DELTAMARIN INTRODUCES LNG-FUELLED FEEDER SHIP DESIGN

DELTAMARIN INTRODUCES LNG-FUELLED FEEDER SHIP DESIGN

Monday, March 8, 2021 

Deltamarin has announced an LNG-powered Kielmax container vessel design in its C.Delta series, the C.Delta2100, which has been based on R&D to establish a best-in-class design in terms of cargo capacity, flexibility and fuel economy, as well as the proven performance of the existing Polar Code C.Delta2150 design.

C.Delta provides a flexible platform for the series, which can be adapted to various customers’ requirements. The platform design is future-proof, allowing the use of alternative fuels to reduce carbon footprint or achieve zero-emission power production. The choice of the main dimensions (length, breadth, block coefficient in combination with a larger propeller) in total results in a higher speed for lower power demand at the design speed/contract point compared with reference designs. The platform design includes ice class 1A for unlimited Baltic Sea operation. The vessel is equipped with lashing bridges to access reefer containers.

The C.Delta2100 provides a container capacity of 2,100 TEU in four cargo holds and on deck, in a length of 179m. The increased cargo hold breadth improves stability in the fully laden condition. This results in an increased utilisation rate of about 75% (1,595 TEU) of nominal container intake in the homogeneous loading condition at scantling draught carrying 14t TEU containers. Furthermore, intake can be optimised to a specific cargo profile and further improved by considering route-specific loading.

The flexibility of the C.Delta2100 allows pallet-wide 40ft container stowage as well as three tiers of high cube containers in the cargo hold without losing container slots. Additionally, a high number of reefer plugs allows smart stowage and the reduction of unnecessary container movements.

Extensive effort has been focused on the C.Delta2100 hull form development to ensure low resistance combined with high propulsion efficiency. This included dozens of CFD calculations and three series of model tests at the Hamburg Ship Model Basin (HSVA). The performance has been proven in C.Delta2150 sea trials.

The daily main-engine fuel oil consumption using LNG (tier III) 30.8 t/day plus pilot oil 0.8 t/day at 18-knot service speed results in fuel efficiency of less than 0.015t LNG/TEU/day at design draught.

A low deadweight per TEU ratio of about 15.2 DWT/14t TEU is thus achieved, which is commonly gained only in larger container ships. The vessel complies with EEDI Phase 3.

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