Results 141 to 150 of about 952 (162)

Neural Metabolic Networks: Key Elements of Healthy Brain Function. [PDF]

J Neurochem
Madrer N, Perera ND, Uccelli NA, Abbondanza A, Andersen JV, Carsana EV, Demmings MD, Fernandez RF, de Fragas MG, Gbadamosi I, Kulshrestha D, Lima-Filho RAS, Marian OC, Markussen KH, McGovern AJ, Neal ES, Sarkar S, Šimončičová E, Soto-Verdugo J, Yandiev S, Fernández-Moncada I.   +20 more
europepmc   +1 more source

Development and validation of an agglomeration model for CFD simulations of aerosol dispersion in the frame of Fukushima fuel debris retrieval [PDF]

Journal of Nuclear Science and Technology, 2021
This article is devoted to demonstrate the feasibility of laser cutting technique for the fuel debris retrieval into the Fukushima Daiichi damaged reactors.
Christophe Journeau, Thomas Gélain, Christophe Chagnot   +2 more
exaly   +7 more sources

Deep Gouging Technique for Fuel Debris Retrieval in Fukushima Daiichi [PDF]

Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, 2020
Abstract Laser cutting, a contactless remote controlled process, was assessed for nuclear decommissioning applications, in full through-thickness-cutting (emerging cutting) and deep gouging (non-emerging) conditions. This work aims at presenting specific tools developed and implemented at CEA Saclay, to evaluate and to ...
Christophe Journeau
exaly   +3 more sources

Assessment of Spray and Pool Scrubbing Efficiencies for Means of Mitigation Against Aerosol Dispersion in the Context of Fuel Debris Retrieval at Fukushima Daiichi: Part I [PDF]

Journal of Nuclear Engineering and Radiation Science, 2022
Abstract The general context of this paper is an evaluation of strategies that can be used to mitigate aerosol dispersion during fuel debris or corium retrieval in damaged Fukushima Daiichi reactors. Knowledge of the aerosol source terms released during fuel debris retrieval operations is one of the key factors for assessing aerosol ...
Porcheron, Emmanuel, Leblois, Yohan, Gelain, Thomas, Chagnot, Christophe, Journeau, Christophe, Roulet, Damien   +5 more
core   +4 more sources

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Development of a laser chipping technique combined with water jet for retrieval of fuel debris at Fukushima Daiichi Nuclear Power Station

Journal of Nuclear Science and Technology, 2019
ABSTRACTWe describe a new chipping technique combined with a water-jet technique as one of the candidate techniques for the retrieval of fuel debris and support structures as part of the decommissi...
Hiroyuki Daido, Tomonori Yamada, Toshihide Hanari   +2 more
exaly   +2 more sources

Development and validation of agglomeration model for CFD simulations of aerosol dispersion during Fukushima fuel debris retrieval [PDF]

, 2019
The general context of this article is related to demonstrate the feasibility of the use of the laser cutting technique for the fuel debris retrieval on the damaged reactors of Fukushima Dai-ichi. IRSN is involved in a project led by ONET, in collaboration with CEA, to bring relevant elements to analyze the risk occurred by the dispersion of aerosols ...
Gelain, Thomas, Porcheron, Emmanuel, Chagnot, Christophe, Journeau, Christophe, Roulet, Damien   +4 more
openaire   +3 more sources

Deep gouging development of deep blind kerf laser cutting technology for FUKUSHIMA fuel debris retrieval [PDF]

, 2018
As a part of international calls for projects for Fukushima for fuels debris retrieval (Request For Proposal (RFP) for Conceptual Study of Innovative Approach for Fuel Debris Retrieval and Feasibility Study of Essential Technologies), the Japanese government is funding projects led by industrial companies it has selected.
Chagnot, C., Li Puma, A., Georges, C., Porcheron, E., Gelain, T., Roulet, D.   +5 more
openaire   +2 more sources

Experiences from the cutting of metallic blocks from simulant Fukushima Daiichi fuel debris [PDF]

Journal of Nuclear Science and Technology
International audienceCEA has manufactured a series of Fukushima Daiichi fuel debris simulants, either with depleted uranium oxide or with hafnium oxide as a surrogate of UO2.
Christophe Journeau, Youichi Tsubota, Emmanuelle Brackx   +2 more
exaly   +2 more sources

Fukushima Daiichi fuel debris retrieval: results of aerosol characterization during laser cutting of non-radioactive corium simulants

Journal of Nuclear Science and Technology, 2020
The production and dispersion of contaminated aerosols during the laser cutting of corium can potentially provide useful insights into the dispersion of contamination during the evacuation of damag...
Porcheron, Emmanuel, Dazon, Claire, Gelain, Thomas, Chagnot, Chistophe, Doyen, Ioana, Journeau, Christophe, Excoffier, Emmanuel, Roulet, Damien   +7 more
openaire   +2 more sources

Decommissioning Robot Retrieves Fuel Debris from High Altitude

2021 IEEE International Conference on Agents (ICA), 2021
Shota Yamaguchi, Kenji Iseya, Kazuma Kobayashi, Satoshi Mitsui, Toshifumi Satake, Naoki Igo   +5 more
openaire   +1 more source