Mitsubishi Heavy Industries (MHI) receives order for "Sayaendo" new-generation LNG Carrier from Mitsui O.S.K. Lines
The ship offers significantly improved fuel consumption and maintainability through various features including enhanced ship structure efficiency. The ship will be used mainly for transportation of LNG for the Kansai Electric Power Co.
The "Sayaendo" features a peapod-shaped continuous cover for the Moss spherical tanks integrated with the ship's hull, in lieu of a conventional hemispherical cover. This configuration enables greater structural efficiency together with size and weight reductions, maintaining the ship's overall strength.
The continuous cover over the tanks also improves aerodynamics by substantially reducing wind pressure, which serves as drag on ship propulsion.
For its main power plant, the "Sayaendo" 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. The new unit, in combination with downsizing, weight reduction and hull line improvement, enables the "Sayaendo" to achieve a substantial 25% reduction in fuel consumption compared to conventional ships.
The new unit, in combination with downsizing, weight reduction and hull line improvement, enables the "Sayaendo" to achieve a substantial 25% reduction in fuel consumption compared to conventional ships.
The LNG carrier measures 288.0m in length overall (LOA), 48.94m in width, and 11.55m in draft. The 138,000 gt (75,000 dwt) ship is capable of carrying up to 153,000 m3 of LNG (cargo tank total volume: 155,000m3) using four Moss-type* tanks.
*Moss-type LNG carriers use independent spherical storage tanks to transport LNG. The upper half of the tank is covered by a semispherical
dome and the lower half under the deck is supported by a cylindrical skirt structure.