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Mitsubishi Heavy Industries has agreed with Osaka Gas International Transport to build two next-generation liquefied natural gas (LNG) carriers, marking the first construction in the Sayaendo series.
The Sayaendo design significantly improves fuel consumption and maintainability through various features, including enhancement of ship structure efficiency. Two LNG carriers are slated for delivery in 2014 and 2015, respectively. Each LNG carrier measures 288.0 metres in length overall, 48.94 metres in width, and 11.55 metres in draught. The 138,000GRT, 75,000DWT ship will be capable of carrying up to 153,000 cubic metres of LNG using four Moss-type tanks.
The Sayaendo features a peapod-shaped continuous cover for the Moss spherical tanks integrated with the ship’s hull instead of a conventional hemispherical cover, enabling greater structural efficiency and size and weight reductions, maintaining the ship’s overall strength. The continuous cover over the tanks improves aerodynamics by substantially reducing wind pressure, which serves as drag on ship propulsion.
For its main power plant, the Sayaendo adopts Mitsubishi’s Ultra Steam Turbine Plant (UST), a new turbine plant that achieves higher thermal efficiency through effective use of thermal energy by reheating steam. Together with downsizing, weight reduction and hull line improvement, Mitsubishi believe the new ship will achieve a 20 percent reduction in fuel consumption compared to conventional ships. |
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发表于 2011-11-3 14:55
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发表于 2011-11-20 00:54