制御棒クラスタ案内管における保全活動向上への取り組み


英字タイトル:
Improvement activities for the maintenance of Guide Tubes wear
著者:
小村 聡 Akira KOMURA
発刊日:
公開日:
カテゴリ: 第10回
キーワードタグ:

概要

Control Rod Cluster Guide Tubes (GTs) in PWR nuclear plant have the possibility to be worn due to fluid induced vibration of Control Rod Clusters. The guideline for GTs maintenance had been established after the discussion with experts, and GTs in Japanese PWR plants have been already maintained in accordance with these maintenance rules. Recently, the new edition of this guideline including new GTs inspection results and latest evaluation of wear criterion has been published in order to reflect these latest information into maintenance rules for the actual plants. The summary of this guideline and these improvement activities are introduced in this paper.


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