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NYK completes ammonia-ready VLCC and Capesize concept designs

Image: NYK ARLFV-capesize-NYK.jpeg
Japanese shipowner NYK says that along MTI and Elomatic it has completed concept designs for an ammonia-fuel ready Capesize bulker and a VLCC.

The LNG-fuelled Capesize and VLCC designs are for efficient conversion to ammonia-fuelled vessels according to NYK.

NYK said in the future the three companies plan to proceed with the actual design ammonia-fuel ready LNG-fueled vessel (ARLFV) with shipyards and marine equipment manufacturers.

The concept design is expected to reduce conversion cost of the Capesize to ammonia fuel by 12% and a 25% reduction in conversion for the VLCC.

The ammonia-fuelled vessel will require larger cargo tanks due to a lower energy density, which reduces cargo capacity, and larger fuel tanks affect ship stability and hull strength.

“Due to the extreme toxicity of ammonia, ventilation for the ammonia tanks must be designed according to international conventions and/or domestic laws,” NYK said.

 

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