ツインバンク機関の開発

概要

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The drastic increase in oil prices which began in 1973 resulted in the fuel oil consumption again becoming a major parameter for the operational economy of a ship. One of the best ways to achieve low fuel oil consumption is to reduce the required propulsive horse power by adopting a larger diameter propeller at lower revolutions having increased propeller efficiency.<BR>The newly developed twin-bank engine gives the best solution to this purpose, utilizing a most reliable two-stroke, low-speed crosshead type diesel engine together with a conventional reduction gear so as to select suitable propeller revolutions in wide range keeping capability of burning lowgrade fuel oil. The twin-bank engine also enables to reduce engine room space requirements, and thus providing for increased space for cargo.<BR>The specific fuel consumption of engine itself has attained to be cut down about 7% by introducing the constant pressure turbocharging to the uniflow scavenging system.
公益社団法人日本マリンエンジニアリング学会の論文