Investigation of fission chamber response in the frame of fuel debris localization measurements at Fukushima Daiichi
Sign Up to like & getrecommendations! Published in 2020 at "Radiation Measurements"
DOI: 10.1016/j.radmeas.2019.106223
Abstract: Abstract This work aims at assessing the performance of a235U enriched fission chamber in order to localize fuel debris, prior to dismantling operations, in a flooded primary containment vessel of a damaged nuclear reactor such… read more here.
Keywords: chamber; fuel debris; fission chamber;
Calculation of gamma and neutron emission characteristics emitted from fuel debris of Fukushima Daiichi Nuclear Power Station
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Nuclear Science and Technology"
DOI: 10.1080/00223131.2019.1621781
Abstract: ABSTRACT Determination of fuel debris location and distribution inside the primary containment vessel of Fukushima Daiichi Nuclear Power Station is important to decide further decommissioning step and strategy. We calculate neutron and photon spectra including… read more here.
Keywords: nuclear power; power station; daiichi nuclear; fuel debris ... See more keywords
Development and validation of an agglomeration model for CFD simulations of aerosol dispersion in the frame of Fukushima fuel debris retrieval
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Nuclear Science and Technology"
DOI: 10.1080/00223131.2020.1862717
Abstract: ABSTRACT This article is devoted to demonstrate the feasibility of laser cutting technique for the fuel debris retrieval into the Fukushima Daiichi damaged reactors. IRSN is involved in a project led by ONET Technologies, in… read more here.
Keywords: fuel debris; dispersion; cfd simulations; debris retrieval ... See more keywords
Applicability of differential die-away self-interrogation technique for quantification of spontaneous fission nuclides for fuel debris at Fukushima Daiichi Nuclear Power Plants
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Nuclear Science and Technology"
DOI: 10.1080/00223131.2022.2114958
Abstract: ABSTRACT This paper provides an overview of the applicability of the Differential Die-Away Self-Interrogation (DDSI) technique for quantification of spontaneous fission nuclides in fuel debris at the Fukushima Daiichi Nuclear Power Plants. In this research,… read more here.
Keywords: applicability differential; technique; differential die; debris ... See more keywords
Experiences from the cutting of metallic blocks from simulant Fukushima Daiichi fuel debris
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Nuclear Science and Technology"
DOI: 10.1080/00223131.2024.2310580
Abstract: ABSTRACT CEA has manufactured a series of Fukushima Daiichi fuel debris simulants, either with depleted uranium oxide or with hafnium oxide as a surrogate of UO2. In ex-vessel compositions resulting from an interaction between corium… read more here.
Keywords: fukushima daiichi; metallic blocks; fuel debris; daiichi fuel ... See more keywords
Research on the powderization treatment of uranium-zirconium solid solution simulated nuclear fuel debris using thermochemical redox reaction
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Nuclear Science and Technology"
DOI: 10.1080/00223131.2024.2356102
Abstract: ABSTRACT In order to facilitate the dissolution of these insoluble nuclear debris from the Fukushima Daiichi NPS accident, it is necessary to investigate methods of pulverizing them to increase their surface area. For uranium and… read more here.
Keywords: nuclear fuel; uranium zirconium; debris; fuel debris ... See more keywords
Study of a robotic system to detect water leakage and fuel debris-System proposal and feasibility study of visual odometry providing intuitive bird’s eye view-
Sign Up to like & getrecommendations! Published in 2020 at "ROBOMECH Journal"
DOI: 10.1186/s40648-020-00184-z
Abstract: To obtain the necessary information on fuel debris and water leakages during the decommissioning task of the Fukushima Daiichi Nuclear Power Plant, an ultrasonic-based method was proposed for future internal investigation of the primary containment… read more here.
Keywords: system; fuel debris; intuitive bird; bird eye ... See more keywords