首页> 外文会议>Proceedings of the ASME power conference 2009 >SIMPLIFIED MORTON EFFECT ANALYSIS FOR SYNCHRONOUS SPIRAL INSTABILITY
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SIMPLIFIED MORTON EFFECT ANALYSIS FOR SYNCHRONOUS SPIRAL INSTABILITY

机译:同步螺旋不稳定的简化Morton效应分析

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A simplified analytical approach for modeling the synchronous instability phenomenon known as Morton effect is presented. The analysis is straight forward and easily applied to any rotor supported on fluid film bearings. The analysis clarifies the interaction of three distinct machine characteristics which combine to create a case of Morton effect. Some example calculations are shown illustrating the possible types of spiral vibration.rnIn addition, an analytical approach is described for estimating the magnitude of the shaft temperature difference in a journal bearing as a direct function of the shaft orbit. It is significant that this method can readily be applied to any type of journal bearing, from plain sleeve bearings to tilting pad bearings. Example calculations using the method are shown.
机译:提出了一种简化的分析方法,用于建模称为莫顿效应的同步不稳定性现象。该分析非常简单,可以轻松地应用于流体膜轴承上支撑的任何转子。分析阐明了三个不同机器特征的相互作用,这些特征组合在一起产生了莫顿效应。示出了一些示例计算,以说明可能的螺旋振动的类型。此外,描述了一种分析方法,用于估计轴颈轴承中的轴温差的大小作为轴轨道的直接函数。重要的是,该方法可以轻松地应用于从滑动轴承到可倾瓦轴承的任何类型的轴颈轴承。显示了使用该方法的示例计算。

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