束縛試験中の核束縛構造のストレンスモニタリングと数値シミュレーション分析
Xunqiang Yin1, Weilong Yang1, Junkai Zhang1
1College of Civil Engineering and Architecture, Dalian University, Dalian 116622, China.
Sensors (Basel, Switzerland)
|August 28, 2025
まとめ
表面にマウントされたストレスのセンサーは,埋め込まれたセンサーが故障した場合,核収束構造を確実に監視できます. この研究は,内部変形を評価し,安全な操作を確保するためにそれらの使用を検証します.
科学分野:
- 核工学
- 構造的健康監視
- 計算力学
背景:
- ストレスのモニタリングは,核収束構造の安全性にとって不可欠です.
- 組み込みのストレスのセンサーは 信頼性の問題を示しています
- 表面に搭載されたセンサーが代替品として提案されています.
研究 の 目的:
- 核の封じ込め構造のために表面に搭載されたストレスのセンサーの使用の可否を調査する.
- 中国の圧縮炉 (CPR1000) の容器構造の内外変形法則を研究する.
- 内部と外部の変形の相関を確立する.
主な方法:
- ANSYS 19.1でCPR1000容器構造の精巧な3D有限要素モデル (FEM) を開発した.
- 固体補強と冷却方法を用いて,プレストレスのないケーブルとプレテンションをシミュレートします.
- 封じ込め試験 (CTT) の組み込みストレスセンサデータに対してFEMを検証した.
主要な成果:
- 典型的な封じ込め試験負荷下での内部と外部の変形の変動法則を確立した.
- 壁の厚さ全体で,本質的に線形的な関係を観察した.
- 装置のハッチ付近のストレスの分布にプレストレスのついたケーブルの配置が有意な影響を及ぼすことが確認された.
結論:
- 表面に搭載されたストレスのセンサーは,内部ストレスと変形を推論するための実行可能な方法を提供します.
- 精巧なFEMと高度なセンサーシステムは 隔離監視に不可欠です
- この研究は,核収納構造物の安全性評価と維持のための理論的支援を提供します.
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