SFR MOX Fuel
First assessment of a digestion method applied to recover plutonium from refractory residues after dissolving spent SFR MOX fuel in nitric acid
... in SFR MOX fuel, its quantitative recovery is one of the main objectives for the global dissolution ...spent SFR MOX fuel in nitric ...LWR MOX fuel ...
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First assessment of a digestion method applied to recovery of plutonium from refractory residues after dissolving spent sfr mox fuel in nitric acid
... in SFR MOX fuel require specific process steps to prevent plutonium retention in residues at the front end of the recycling ...LWR MOX fuel residues and applied to solid residues ...
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Overview of French RandD on SFR MOX fuel fabrication
... manufacturing of MOX pellets for one fuel bundle, designed for a prototypical irradiation. IV.A. Main results and lessons learnt A first test was held at MELOX in 2015 to study of the effect of pelletizing ...
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A comprehensive study of the dissolution of spent sfr mox fuel in boiling nitric acid (the phenix nestor-3 tests)
... Three dissolution experiments were carried out on 30 mm long pieces of irradiated materials after shearing three distinct 120 mm sections of a (U,Pu)O2 fissile NESTOR-3 pin (bottom, middle i.e. full-flux zone, and ...
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Study of irradiated and non-irradiated MOX fuel reprocessing
... [2] N. Reynier-Tronche, E. Buravand, E. Esbelin, L. Huyghe, B. Catanese, S. Grandjean, Pu dissolution yield of a spent SFR MOX fuel as a function of axial position in the reactor (PHENIX NESTOR-3 ...
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NEA SFR subassembly benchmark sensitivity/uncertainty propagation with depletion
... mastered. Thus the confidence level of the safety demonstration relies on best-estimate methods as well as exhaustive knowledge of the associated uncertainties. Within the activities of the Working Party on Scientific ...
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ZPR Core Representativity of SFR Reactivity Effects During Core Meltdown
... by fuel crossing the fertile zone to form a large fissile melted ...the fuel could lead to local power ...MASURCA fuel stockpile (rodlets and plates) to model the various states of SFR ...
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Dependence of transuranic content in spent fuel on fuel burnup
... For the analysis in this work, the Studsvik Core Management System (CMS) code CASMO-4 is utilized to numerically analyze the transuranic content in spent fuel of particular burnu[r] ...
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Sodium Fast Reactor: an Asset for a PWR UOX/MOX Fleet
... in SFR Before studying the Pu multirecycling in both LWR and SFR, a preliminary study was conducted to evaluate the efficiency and the kinetics of Pu multirecycling in ...UOX, MOX 1, MOX 2 and ...
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Americium transmutation in a scenario of progressive SFR deployment
... and fuel cycle assumptions The current French fleet is composed of 58 PWR, loaded with UOX fuels, ERU (Enriched Reprocessed Uranium) fuels and MOX fuels (a third of the fleet is loaded with 30% of ...
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Nuclear data propagation with burnup : impact on SFR reactivity coefficients
... sensitivities relative to cross sections. It was widely used in the pass to assess uncertainty level and to identify main contributors (isotopes and relevant cross sections) in order to design dedicated experiments, to ...
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Impact of the thermal scattering law of H in H$_2$O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
... 3 Interpretation of the MISTRAL programs with the Monte-Carlo TRIPOLI4 ® 3.1 Description of the MISTRAL con figurations The MISTRAL experimental programs were designed in the late nineties to evaluate the feasibility of ...
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EVALUATION OF ALTERNATIVE FLUIDS FOR SFR INTERMEDIATE LOOPS
... Interaction with structures The interactions between the fluid and the material of the circuits and components lead to particular choices for the material. This item includes general corrosion (oxidation or dissolution), ...
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Modélisation des effets de l'endommagement dans les milieux hétérogènes viscoélastiques - simulation du comportement des combustibles MOX.
... Le MOX est un combustible utilisé dans les Réacteurs à eau pressurisée français (REP) de 900 MWe. C’est un matériau hétérogène au sens de la distribution des teneurs en plutonium : matériau triphasé (thèse ...
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Méthodes de traitement du signal pour l'analyse quantitative de gaz respiratoires à partir d’un unique capteur MOX
... 4.6. Bilan En conclusion, nous arrivons à inverser le modèle et à estimer les concentrations d’un mélange de deux gaz de manière supervisée. Ce travail d’estimation des concentrations de gaz dans un mélange permet aussi ...
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Development of a continuous O/M measurement technics during sintering for MOX application
... and fuel is long to be reached so that it can be difficult to control and predict O/M ratio, especially for SFR- type fuel (sintered in reductive ...
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Validation of mox core reactivity versus flux variation feedback on delayed neutron data
... ABSTRACT The reactivity of commercial Light Water Reactors (LWR) is given by the reactimeter, which computes the core reactivity from the flux variation measurement. The correspondence is obtained from the kinetics ...
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MOx Powders Calculation ImprovementCriticality Calculations in the context of OECD NEA benchmark
... Nine cases are proposed with three PuO 2 contents, and three Pu isotopic vectors (criticality-conservative, realistic, and Pu weapon-grade). Six additional cases are also proposed (with different powder moisture rates). ...
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In-situ experiments at elevated temperatures -an invaluable aid in studying MOX
... Les 15 èmes Journées Scientifiques de Marcoule 9 – 10 juin 2015 Document propriété du CEA – Reproduction et diffusion externes au CEA soumises à l’autorisation de l’émetteur In-situ experiments at elevated temperatures ...
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Modeling of fuel permeation in multilayer automotive plastic fuel tanks
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. For the publisher’[r] ...
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