SFR core
Analysis of the Total Instantaneous Blockage accident consequences in the innovative inherently-safe CADOR SFR core
... (SFR) core, named CADOR (Core with Adding DOppleR effect), is studied at CEA (French commissariat ` a l’´ energie atomique et aux ´ energies ...This core concept mainly relies on its enhanced ...
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A New Breakdown Methodology To Estimate Neutronic Model Biases Applied To Apollo3 SFR Core Calculations
... A New Breakdown Methodology to Estimate Neutronic Model Biases Applied to APOLLO3 ® SFR Core Calculations V. Jouault, J.-M. Palau, G. Rimpault, J.-F. Vidal CEA, DEN, DER/SPRC/LEPh, Cadarache, F-13108 ...
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looking forward for a masurca experimental programme genesis in support to the astrid sfr core
... the core. Given the axial heterogeneity of the core, they will be valuable for understanding the physics of shape of the flux either in nominal conditions or in voided ...GENESIS core is accurate ...
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Modelling of a Passive Hydraulic Lock concept for the Mitigation Transfer Tubes in a SFR core
... reactor core, using an innovative passive hydraulic ...promote core cooling by natural ...the core catcher in the hypothetical case of severe ...
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Validation of an Isotope Evolution Model for Apollo3 Calculations in SFR Core
... 3.3 Burn-up parametrization of the cross section libraries In the previous section, it has been shown the importance of the cross section time depen- dency for core calculations. In a cell case, where no leakage ...
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Modelling of a passive hydraulic lock concept for the Mitigation Transfer Tubes in a SFR core
... the injected flowrate at equilibrium, meaning that there is no flowrate between the tube and the hot pool (negligible value in practise). The singular head loss values in the 3D element and in the injectors are chosen ...
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Analysis of material buckling experiments performed in the masurca facility in support of the astrid sfr prototype core balance
... Key Words: Material Buckling Experiments, MASURCA, ERANOS. 1. INTRODUCTION Unfortunately, the neutron balance of Sodium Fast Reactor (SFR) cores is badly known due to the lack of accuracy in evaluated nuclear ...
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Apollo3 homogenization techniques for transport core calculations - application to the astrid cfv core
... SIMPLIFIED SFR CORE ...simple SFR core has been ...“regular” core has been made critical by adjusting the number of hexagonal rings in a configuration without reflector (3D Monte Carlo ...
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Sensitivity studies of sfr unprotected transients with global neutronic feedback coefficients
... the core behavior during the main unprotected ...the core when the sodium starts to boil during an ULOF does not depend on the primary pumps halving ...
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Evaluation of SFR Deformed Core Reactivity
... to core assemblies bowing and deformation, and to lattice readjustments consequent to ...from core lattice deformations and ...by core deformation is achieved by modifying the isotopic concentrations ...
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Stability and bifurcation analysis of sodium boiling in a GEN IV SFR reactor core
... Goals The main goal of our research project is to study the sodium boiling stability in a/several SFRs assembly(-ies). Considering the very dynamic context, developing then implementing a semi-analytical approach (in ...
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Low Void Effect (CFV) Core Concept Flexibility from Self-breeder to Burner Core
... Fig. 1. Typical transition scenario for the 60 GWe French fllet (dark=current PWR, green=EPR, blue=SFR). In order to achieve sustainability, SFR core has to exhibit self-breeding performances to ...
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Engineered inorganic core/shell nanoparticles
... When the resonant condition is achieved, it can lead to novel optical features with stronger enhancement. For example, the control by optical Stark effect (OSE) (see fig. 25) of coherent quantum schemes of spins in ...
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Core labour standards and exports
... The role played by freedom of association and collective bargaining rights is a highly challenged aspect, mainly due to the effects of “closed shop” unions, widely thought of as negative, in some Latin American countries ...
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Core labour standards and exports
... respecting core labour standards trade more with the world? Trade relations concern instead country pairs and are influenced by bilateral trade costs such as tariffs, transport and insurance ...
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OSCAR-Na: A New Code for Simulating Corrosion Product Contamination in SFR
... the core and of the intermediate heat exchangers (IHX), the elements are transported in the sodium and deposited in the cold parts (when their concentration exceeds their solubility limit), the lower part of the ...
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A new structural behavior to perform efficient nonlinear SFR fuel bundle thermomechanical analysis
... Atomic Energy Commission (CEA) DEN, DANS, DM2S, SEMT, Mechanics and Systems Simulation Laboratory (LM2S) F-91191, Gif sur Yvette, France A sodium fast reactor (SFR) fuel bundle is usually a strong hexagonal tube ...
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ASTRID SFR PROTOTYPE STEAM GENERATOR DESIGN EVOLUTION RELATED TO SAFETY AND COST ISSUES
... Then, after a first phase of evaluation, the study was concentrated on three Steam Generator types: EFR (European Fast Reactor) type Straight tubes with bellows on external shell, PFB[r] ...
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Numerical strategy for dynamic simulation of impacts on SFR fuel pins and experimental validation
... Fuel pins are arranged in a bundle enclosed inside a hexagonal tube (Figure 1-b). Many hundreds assemblies are main constituents of the reactor core. These assemblies are maintained by their spikes (Figure 2) at ...
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A search for theories enabling analyses of spatial effects in highly coupled sfr cores
... 13 harmonics used, see Figure 3). To reduce these oscillations inherent to the method, the only way is to increase the number of available flux harmonics. But the traditional technique based on the power iteration ...
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