高速増殖炉ヘリカル伝熱管探傷プローブの振動によるセンサノイズとその対策: 第2報, プローブ振動の数値シミュレーション

井上 卓見, 末岡 淳男, 前原 猛, 中野 寛, 金元 啓幸, 村上 敬宜

研究成果: Contribution to journalArticle査読

抄録

A diagnosis of a helical heating tube installed in a fast breeder reactor is operated by an insertion of an eddy current testing (ECT) probe with magnetic sensor into the tube. An undesirable vibration of the ECT probe always happens under a certain condition and makes the diagnosis difficult. The cause of the vibration has not been clear. Numerical simulation of the vibration is implemented on the assumption that the vibration is caused by the Coulomb's friction. An analytical model is derived as a large scale nonlinear vibration system and a lot of computational costs are ordinarily required to carry out the simulations. The Transfer Influence Coefficient Method is applied so that the simulation is efficiently carried out. The results of simulation qualitatively agree well with the experimental results. It confirms the validity of the assumption that the vibration is caused by the Coulomb's friction.
寄稿の翻訳タイトルSensor Noise Caused by Vibrations of Flaw Detection Probe Generated in Helical Heating Tubes in a Fast Breeder Reactor and Its Countermeasures: 2nd Report, Numerical Simulations of Probe Vibration
本文言語Japanese
ページ(範囲)380-387
ページ数8
ジャーナルNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
72
714
出版ステータス出版済み - 2 25 2006

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