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Nippon Yusen Co., Ltd. and Japan's Tsuneishi Shipbuilding have jointly developed an energy-saving technology called "MT-COWL" to reduce the wind resistance of the ship's superstructure.
Wind tests using the model show that the technology can reduce wind resistance by 10%, which means that if used to a 180,000-ton bulk carrier, it can reduce carbon dioxide emissions by 520 tons per year and provide fuel efficiency.
The energy-saving technology called "MT-COWL" is a beam-wing installation on the front of the ship's bridge, forming a tilting shape and adding corners to reduce wind resistance.
In order to reduce the wind resistance in the residential area of ​​the ship, Nippon Yusen and Tsuneishi Shipbuilding have developed different installation structures. For example, the shape of the tilting side is suitable for a 180,000-ton bulk carrier with an upper structure that is wider than other ship types. The "Cardinal Victory" 180,000-ton bulk carrier delivered by the Japan Post on June 4 this year installed MT-COWL during the sea trial.