[PDF] Top 20 A Dynamic Homogenization Method for Nuclear Reactor Core Calculations
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A Dynamic Homogenization Method for Nuclear Reactor Core Calculations
... RHP for the reflector homogenization. Indeed, the reflector requires a different homogenization approach because no multiplication occurs and vacuum con- ditions are imposed on at least one ... Voir le document complet
254
MINARET, A DETERMINISTIC NEUTRON TRANSPORT SOLVER FOR NUCLEAR CORE CALCULATIONS
... MINARET a deterministic transport solver for nuclear core calculations to solve the steady state Boltzmann ...ordinate method to deal with the angular variable and a DGFEM ... Voir le document complet
19
Few group cross section modeling by machine learning for nuclear reactor
... in a full grid has commonly been used to address these kind of issues [46, ...accounted for, the reconstruction process is simple and evaluation fast, provided an efficient sorting ...of core ... Voir le document complet
184
A new Monte Carlo method for neutron noise calculations
... in nuclear reactors due to stochastic density fluctuations of the coolant or to vibrations of fuel elements, control rods or any other structures in the reactor ...the nuclear industry for ... Voir le document complet
7
Development of a Hybrid Deterministic-Stochastic Method for Full Core Neutronics
... time for the tallying ...full-core reactor calculations with the capability of coupling to multiphysics effects such as thermal-hydraulics, xenon feedback, heating and control de- vice ... Voir le document complet
136
A Homogenization Method for a FSI Problem: Application to a Tube Bundle Row
... ABSTRACT A research program is ongoing at CEA in the framework of ASTRID project, for developing and validating tools for the anal- ysis of the mechanical dynamic behaviour of Fast Breeder ... Voir le document complet
14
2D core calculation based on the method of dynamic homogenization
... with a MOx ...reflector homogenization stage, the assembly next to the reflector contained UOx fuel, which has a different ...also for the UOx-UOx with different ...the reactor is still ... Voir le document complet
11
Validation of a subgroup method for pressurized water reactor fuel assembly models
... shows a 2 % deviation at the end of burnup ...with a relative error under 1 %. In order to keep a certain consistency, Curiums, Americiums and fission products are not shown in this ...have a ... Voir le document complet
17
Preliminary Analysis of Structure-Ground Interaction for Seismic Design of a Nuclear Reactor Structure
... https://nrc-publications.canada.ca/eng/copyright Vous avez des questions? Nous pouvons vous aider. Pour communiquer directement avec un auteur, consultez la première page de la revue dans laquelle son article a ... Voir le document complet
16
A new Monte Carlo method for neutron noise calculations in the frequency domain
... scattering) for a heterogenous one-dimensional rod geometry with 4 energy groups and 6 precursor ...in a rod geometry, particles can only flight in two directions [ 14 ...−1 for the real part ... Voir le document complet
11
An introduction to the two-scale homogenization method for seismology
... two-scale homogenization, or formal asymptotic ho- mogenization analysis (Babuˇska, 1976; Bensoussan et ...the method on which the present work is based ...one for the large scales and one for ... Voir le document complet
82
Basic communication framework for a robotic device for the inspection of nuclear reactor piping structures
... No method of communication is capable of being used to send large pieces of information, like a picture, in realtime to the surface while being inside of the pi[r] ... Voir le document complet
67
A 2D/1D algorithm for effective cross sections generation in fast reactor neutronic transport calculations
... of nuclear reactors is asked to meet very high safety criteria in order to prevent as much risk of accident as ...of a good understanding of the physical processes that take place in the reactor ... Voir le document complet
26
A critique and simplification of nuclear fuel cycle economics calculations
... It is the purpose of the present thesis to do a critical review of publicly available computer programs designed to do nuclear fuel cycle cost calculations, and [r] ... Voir le document complet
115
Massive asynchronous master-worker EA for nuclear reactor optimization: a fitness landscape perspective
... is a major ...especially nuclear energy which is the most important in ...the nuclear power plants (NPP) are already able to adjust their ...the core, especially if the power variations are ... Voir le document complet
3
Control of multi-module nuclear reactor stations
... The combination of advanced process control techniques with new fault tolerant processors and advanced computer networking techniques creates a nuclear power plant control [r] ... Voir le document complet
96
The Periodic Unfolding Method in Homogenization
... The same dilation operator was used by Bourgeat, Luckhaus, and Mikelic in [16] under the name of “periodic modulation.” Proposition 4.6 of [16] showed that if a sequence two-scale conver[r] ... Voir le document complet
37
TINS: A Task-Based Dynamic Helper Core Strategy for In Situ Analytics
... helper core strategy. It is a MPI-based ap- proach that starts on each node a certain number of processes for the simulation and the analytics, each one running with their own MPI ...through ... Voir le document complet
21
Design of an Organic Simplified Nuclear Reactor
... to a PWR in order to utilize existing manufacturing and nuclear waste disposal ...&D for this ...although a PWR does require some coolant chemistry control, especially if boron is used in ... Voir le document complet
14
Review of uncertainty methods for CFD application to nuclear reactor thermalhydraulics
... this method, the numerical errors need to be brought down to a level which are deemed to have a much smaller effect on the result than the effect expected from the uncertain input ...necessitates ... Voir le document complet
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