Results 11 to 20 of about 10,509 (217)
Frontiers in Nuclear Engineering, 2023 This review is an up-to-date report of the analysis of U-bearing samples from the Fukushima Daiichi Nuclear Power Station (1F). It summarizes the experience gained after previous severe nuclear accidents in the field of fuel debris analysis and the ...
Bella Zubekhina +4 more
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Gamma detector response simulation inside the pedestal of Fukushima Daiichi Nuclear Power Station
Mechanical Engineering Journal, 2020 Prediction of the fuel debris location and distribution inside the primary containment vessel (PCV) of the Fukushima Daiichi Nuclear Power Station is important to decide further decommissioning step and strategy.
Eka Sapta RIYANA +4 more
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Mechanical Engineering Journal, 2018 A dry method is one of fuel debris retrieval methods for decommissioning of TEPCO’s Fukushima Daiichi nuclear power station. However, the cooling of fuel debris must be fully maintained without water.
Shinichiro UESAWA +3 more
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Actinides and fission products in reactor graphite after loss-of-flow accident
npj Materials Degradation, 2022 Samples of irradiated graphite from a uranium-graphite reactor contaminated with fuel debris from loss-of-flow accidents, are investigated. Peculiarities of spatial distribution, speciation, and kinetics of leaching by aqueous solution of actinides and ...
Alexander O. Pavlyuk +6 more
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Applied Sciences, 2020 Fiber-optic laser-induced breakdown spectroscopy (FO-LIBS) was applied to a qualitative and quantitative analysis of gadolinium (Gd) in mixed oxide samples, simulating nuclear fuel debris in the damaged reactors of the Fukushima Daiichi Nuclear Power ...
Ryuzo Nakanishi +3 more
doaj +1 more source
Review of Studies on Joint Recovery of Macroalgae and Marine Debris by Hydrothermal Liquefaction
Applied Sciences, 2022 At the moment, macroalgae blooms in sea waters, the rotting of which causes greenhouse gas emissions and contributes to the formation of a negative ecological and economic situation in coastal zones, which has become a serious problem.
Yuliya Kulikova +4 more
doaj +1 more source
Development of Fuel Debris Inspection Methods using Air-Coupled Ultrasound
E3S Web of Conferences, 2018 Japan has decided to start fuel debris removal on 2021. Therefore, before starting retrieval of the fuel debris, investigation of location, shape, and also properties of fuel debris have to be performed.
Hamdani Ari +5 more
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Development of Hybrid CNG/Diesel Dual-Fuel Engine in High Load Condition for Marine Debris Vessel
Kapal, 2023 Greenhouse gas (GHG) emissions are the most influential issue in the transportation sector in recent years due to their impact on the environment. Thus, the design of transportation power plants is necessary to ensure the lowest GHG emissions.
Frengki Mohamad Felayati +2 more
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Effect of Impact Block Shape and Material on Impact Wear Behavior of Zr-4 Alloy Cladding Tube
Metals, 2022 In a pressurized water reactor nuclear power plant, metal foreign matter in the rod–rod gap of the fuel assembly is constantly rubbed and collided with the fuel rod under continuous scouring of the coolant, resulting in wear to the fuel rod and even ...
Shijia Yu +6 more
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Mechanical Engineering Journal, 2020 High-temperature control blade degradation tests simulating a beginning phase of a severe accident in BWRs has been comprehensively performed in Japan Atomic Energy Agency (JAEA). In the latest test, a mock-up of BWR bundle material has been investigated
Anton PSHENICHNIKOV +2 more
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