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首页> 外文期刊>日本機械学会論文集. C編 >Evaluation Parameter of Magnetic Damping Vibration (1st Report, Experiment on Magnetic Damping Behavior of Thin Plate in Magnetic Field)
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Evaluation Parameter of Magnetic Damping Vibration (1st Report, Experiment on Magnetic Damping Behavior of Thin Plate in Magnetic Field)

机译：电磁阻尼振动的评估参数（第一份报告，薄板在磁场中的电磁阻尼行为实验）

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摘要

Evaluation of magnetic damping effect, which is produced by the coupled effect between deforma- tion and induced eddy current, is needed for the mechanical design of structures located in a high magnetic field such as magnetic fusion reactor components. The authors have defined the coupling intensity parameter which represents the intensity of electromagnetic and structural coupling effect. This paper describes the method to obtain the coupling intensity parameter from the results of magnetic damping experiment. Since the vibration profile obtained from the experiment includes the damping by air and the structural damping, these damping effects should be removed from the experimental results to obtain the coupling intensity parameter accurately. The dependence of the parameter on external magnetic field and thickness is obtained experimentally for the bending problem of a cantilever plate under various conditions.
机译：对变形和感应涡流之间的耦合效应产生的磁阻尼效应进行评估，对于位于高磁场中的结构（如磁聚变反应堆组件）的机械设计是必需的。作者定义了代表电磁和结构耦合效应强度的耦合强度参数。本文介绍了从磁阻尼实验结果获得耦合强度参数的方法。由于从实验中获得的振动曲线包括空气阻尼和结构阻尼，因此应从实验结果中消除这些阻尼效应，以准确获得耦合强度参数。对于悬臂板在各种条件下的弯曲问题，通过实验获得了参数对外部磁场和厚度的依赖性。

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