大型船用二重反転プロペラシステムの開発

概要

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Mitsubishi Heavy Industries, Ltd. (MHI) succeeded in retrofitting the contra-rotating propeller system to a car carrier first in the world in August, 1988, as a rusult of five years technical studies concering the contrarotating dual shafts. Through the sea trials and commercial operation for two years, large energy saving merit and sufficient reliability were verified; i.e.<BR>(1) The energy saving was 16% on the sea trials and 13.5% in average (about 10-17%) in the ships service operation.<BR>(2) The results of bearing temperature and oil film thickness measurements were found to be almost as designed, and no abnormal condition was observed in the bearings, gears, etc. as a result of the overhauling after one year.<BR>This paper describes the technical features and the contents of the verification concerning the MHI-type Asynchronous Contra-Rotating Properller (ACRP) shafting system.
社団法人日本マリンエンジニアリング学会の論文