5翼プロペラ6シリンダ機関の失火時ねじり振動

概要

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The torsional vibration characteristics of a crankshaft system consisting of a six-cylinder engine for a large ship having a five-bladed propeller have been studied for the case where one cylinder misfires. In such a case, the amplitude of torsional vibrations due to the sixth torsional harmonic reduces compared with that in case of a normal operation. However, the forth and fifth torsional harmonics increase! therefore, the amplitude of the torsional vibrations corresponding to these components also increases. In particular, the torsional vibration stress due to the fourth torsional harmonic component increases! therefore, it is necessary to ensure that the allowable stresses on the shaft are not exceeded.
福井工業大学の論文