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MHI developed new-generation LNG carrier
Mitsubishi Heavy Industries, Ltd. (MHI) has completed development of the new-generation LNG carrier ships marking an evolutionary advance from Moss-type LNG carriers. It features a peapod-shaped continuous cover for the Moss spherical tanks that is integrated with the ship’s hull, in lieu of the conventional hemispherical cover. The continuous cover over the tanks improves aerodynamics by substantially reducing wind pressure. Improved aerodynamics contributes to reduced fuel consumption during navigation. At the same time, the continuous cover minimizes exposure of support structures and equipment, and it also facilitates reinforcement of overall strength to be effective in resisting ice impact load. The new-generation MOSS-Type LNG carrier measures 288 meters in length, 49.0m in width, 26.0m in depth and 11.5m in draft and has cargo ships tank total capacity of 155,000m3 using four Moss-type tanks. It is also applicable to the New Panamax category. Compared with the conventional Moss-type LNG carrier of the same size, it has the capacity to transport 8,000m3 more LNG by employing stretched Moss tanks and its steel hull structure is about 5% lighter in weight. The depth of the ship has also been reduced by one meter, enabling better compatibility with major terminals in Japan and other countries in view of cargo manifold and gangway landing arrangement. For its main power plant, the newgeneration MOSS-Type LNG adopts MHI’s “Ultra Steam Turbine Plant”(UST), a new turbine plant which achieves higher thermal efficiency through effective use of thermal energy by reheating steam. Together with downsizing, weight reduction and hull lines improvement, the new ship achieves a substantial 20% reduction in fuel consumption compared to conventional ships. MHI looks to its new-generation LNG carrier as a sure leader in tomorrow’s shipping industry, and the company aims to conduct its marketing activities aggressively.
