2020 Annual Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-3 Decommissioning Technology of Nuclear Facilities

[2C01-08] Decommissioning Technology for Fukushima 1

Tue. Mar 17, 2020 10:00 AM - 12:10 PM Room C (Lecture Bildg. L 1F L-2)

Chair:Hideharu Takahashi(Tokyo Tech)

11:15 AM - 11:30 AM

[2C06] Piping system, risk management based on wall thinning monitoring and prediction - PYRAMID -

(4)Improvement of reliability of pipe wall thickness measuremnt by electromagnetic acoustic transducers

*Tetsuya Uchimoto1, Toshiyuki Takagi1, Hongjun Sun1, Ryoichi Urayama1, Akitoshi Tezuka1 (1. Tohoku Univ.)

Keywords:electromagnetic acoustic transducer, pipe wall thinning

本研究では、一様減肉から局所減肉などの様々な減肉形態に対応できる収束ビーム型電磁超音波探触子を開発し、ビームの収束や肉厚評価の精度について確認した。