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NYK completes concept designs for ammonia-fuel ready, LNG-fuelled vessels

04 Mar 2022

Nippon Yusen Kabushiki Kaisha (NYK), MTI Co., Ltd. (MTI), and Elomatic Oy, a Finnish maritime consulting and engineering firm (Elomatic), have completed the development of a concept design for an ammonia-fuel ready, LNG-fuelled vessel (ARLFV), they said on Thursday (3 March).

NYK Group and Elomatic started the project in September 2021 to develop a concept design for an ARLFV that can efficiently be converted from an LNG-fuelled vessel to an ammonia-fuelled vessel based on the assumption that ammonia will become a next-generation marine fuel.

The concept design considers the specifications of a ship from an operation aspect, including factors such as load capacity, voyage distance, ship speed, fuel capacity, etc. When an ARLFV is ordered from a shipbuilder in the future, this concept design can then be used.

“During Phase 1 from September 2021 to the end of February 2022, we designed an ARLFV to perform the functions of a pure car carrier and a post-panamax bulker,” explained NYK.

It added the group addressed certain points, designed the concept, and determined issues that are not yet technically feasible. They include:

  • Material of the tank to be loaded
  • Placement of additional tanks for ammonia, which has a larger volume than LNG
  • Hull structure strength and stability due to the addition of tanks
  • A device that supplies ammonia to the main engine
  • Confirmation of rules such as ship classification rules for safe use of ammonia fuel, etc.

Future Schedule

“During Phase 1.5, which will continue until June 2022, we will design a similar concept for a capesize bulk carrier and a very large crude oil carrier,” it continued.

“Furthermore, until the end of 2022 in Phase 2, we will proceed with the actual design of an ARLFV with a shipyard and marine manufacturers, reflecting the results obtained in the concept design, such as the optimal fuel-tank layout, ammonia-fuel supply device, and structural strength of the hull.”

The project will be completed when the actual ship design is completed.

Moving forward, the group will propose to customers and business partners a transportation service that can transition trouble-free from an LNG-fuelled vessel to an ammonia-fuelled vessel through use of an ARLFV.

“We plan to offer customers ARLFV contracts in 2023 and aim to complete building the first ARLFVs in 2025,” it concludes.

Related: NYK to introduce concept design of ‘Ammonia-fuel Ready LNG-Fuelled Vessel’


Photo credit: Nippon Yusen Kabushiki Kaisha
Published: 4 March, 2022

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