静止部との接触による回転軸系の振動挙動 : ケーシング形状・動特性と分数調波振動の発生の関係(機械力学,計測,自動制御)

概要

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Rapid technological development in many industrial branches requires increasing of the rotating machinery speed and performances. This tendency might be considered the main cause that induced numerous vibration troubles in the field of rotating machinery. Recently, in order to increase the machines performances the radial clearance between rotor and casing became smaller and smaller. As a result, severe vibration accidentally occurred in the rotating machinery systems. Especially in the case of high-speed domain, various kinds of vibration occurred, such as "synchronous vibration", "sub-harmonic vibration", etc. But, there is a lack of knowledge concerning such kind of problems, due to the complexity of the rubbing and the collision mechanisms. This paper presents a theoretical and experimental study of the rotor vibration due to the rubbing against casing for high-speeds regime, considering casing dynamics and different configurations of the casing.
一般社団法人日本機械学会の論文
2004-08-25