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Controllable Squeeze Film Damper Using an Electromagnet

机译:使用电磁铁可控挤压膜阻尼器

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The paper presents stability of a rotor system with a squeeze film damper (SFD) using an electromagnet. The electromagnet is installed in the inner damper of the SFD. The proposed SFD has basically the property of a conventional SFD and variable damping according to the strength of the applied electric current. Therefore, when the applied current is controlled, the whirling amplitude of the rotor system can be effectively reduced in a wide operational speed range. In the present work, the performance of the SFD was experimentally investigated according to the magnetic field strength. When the applied current increased, the whirling amplitude greatly reduced at the critical speeds and damping ratio increased.
机译:本文呈现了使用电磁铁用挤压膜阻尼器(SFD)的转子系统的稳定性。 电磁铁安装在SFD的内部阻尼器中。 所提出的SFD基本上根据施加的电流强度基本上是传统SFD和可变阻尼的性能。 因此,当控制施加的电流时,转子系统的旋转幅度可以在宽的操作速度范围内有效地降低。 在本作工作中,根据磁场强度实验研究了SFD的性能。 当施加的电流增加时,旋转幅度以临界速度大大降低,并且阻尼比增加。

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