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首页> 外文期刊>Journal of Ship Research >Effect of Gas Forces on parametrically Excited Torsional Vibrations of Reciprocating Engines
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Effect of Gas Forces on parametrically Excited Torsional Vibrations of Reciprocating Engines

机译：气体力对往复式发动机参激振动的影响

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摘要

In the past the effects of ignoring the variable inertia characteristics of reciprocating engines on the accuracy of torsional vibration calculations were considered to be negli- gible. The associated secondary resonances tended to be dismissed by most engineers as interesting but of no importance. The situation changed in recent years, since there was evidence of the existence of the secondary inertia effects, which could have con- tributed to a number of otherwise inexplicable crankshaft failures in large multi-cylinder marine diesel engine systems.
机译：过去，忽略往复式发动机的可变惯性特性对扭转振动计算精度的影响被认为是微不足道的。大多数工程师倾向于忽略与之相关的二次共振，认为这很有趣但并不重要。近年来情况发生了变化，因为有证据表明存在次级惯性效应，这可能导致了大型多缸船用柴油机系统中许多原本无法解释的曲轴故障。

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