Laser decommissioning of RBMK nuclear reactor fuel channels

Vladislav Ya. Panchenko; Yu. I. Slepokon; V. M. Ryakhin; P. P. Kuznetsov; V. F. Panasyuk; Alexandre M. Zabelin

doi:10.1117/12.375210

14 January 2000 Laser decommissioning of RBMK nuclear reactor fuel channels

Vladislav Ya. Panchenko, Yu. I. Slepokon, V. M. Ryakhin, P. P. Kuznetsov, V. F. Panasyuk, Alexandre M. Zabelin

Proceedings Volume 3887, High-Power Lasers in Civil Engineering and Architecture; (2000) https://doi.org/10.1117/12.375210
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

A justification of laser decommissioning of nuclear reactor of Kursk Nuclear Power Plant. The main reason of laser beam application in this case is the marked decrease of radioactive radiation exposure of the service personnel. The use of a high power laser beam provided to realize laser cutting and welding processes of a distance up to 35m between the laser and the workstation placed behind a contre-radiation shield. By application of laser cutting gas and dust contamination is tenfold decreased. Some result of decommissioning application of a stationary laser workstation based upon a 5kw fast-transverse-flow discharge CW-CO₂ laser TL-5M installed of a nuclear reactor site are presented. A special high-beam-quality model of the laser was developed to satisfy the needs of decommissioning. Laser cutting process was applied to decommissioning of fuel channels of RBMK-1000 reactor, after their extraction from the reactor active zone during the procedure of channels replacement.

Citation Download Citation

Vladislav Ya. Panchenko, Yu. I. Slepokon, V. M. Ryakhin, P. P. Kuznetsov, V. F. Panasyuk, and Alexandre M. Zabelin "Laser decommissioning of RBMK nuclear reactor fuel channels", Proc. SPIE 3887, High-Power Lasers in Civil Engineering and Architecture, (14 January 2000); https://doi.org/10.1117/12.375210

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