Design Optimization of Ship Propulsion Shafting System
Under the influence of the marine energy efficiency design index(EEDI),derating of main engine has become a trend,and the acceleration performance of ship main engine is significantly reduced.It often happens that the ship is too hard to pass the barred speed range quickly.This has a serious effect on the ship safety.This paper introduces using of the shafting design optimization to find an economic and reliable solution.Finally,the results of torsional vibration calculation would be verified by torsional vibration measurement in a real ship,so that achieving shafting torsional vibration safety and meeting the requirements of classification society.
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