Results 1 to 10 of about 2,311,049 (401)
Advanced Energy Materials, 2022 Perfluorinated‐sulfonic‐acid‐based ionomers (PFSAs) are still the material of choice for electrochemical energy devices such as proton‐exchange membrane fuel cells or water electrolyzers.
Hien Nguyen +4 more
semanticscholar +3 more sources
BURNUP SENSITIVITY CALCULATIONS WITH CBZ FOR LIGHT WATER REACTOR ASSEMBLY PROBLEMS [PDF]
EPJ Web of Conferences, 2021 Sensitivities of k∞ and nuclides number densities during nuclear fuel burnup with respect to nuclear data are calculated with a reactor physics code system CBZ. Sensitivity calculations are carried out with the depletion perturbation theory applicable to
Chiba Go
doaj +1 more source
MODELLING AND ANALYSIS OF FUEL ASSEMBLY VIBRATIONAL MODES IN PWRS USING SIMULATE-3K [PDF]
EPJ Web of Conferences, 2021 Some of the KWU pre-KONVOI PWRs operating across Europe saw a systematic increase in the neutron noise levels over several cycles in the last decade, and subsequently, core internals’ movements, especially vibrations of fuel assemblies with specific ...
Verma V. +3 more
doaj +1 more source
Ways to reduce friction and wear of fuel elements in nuclear power [PDF]
BIO Web of Conferences, 2023 Friction forces affect the strength of the fuel assembly at all stages of its life cycle. The work is devoted to the issues of reducing friction and wear of fuel elements of a nuclear reactor.
Kanareykin Aleksandr Ivanovich
doaj +1 more source
RMB experimental program on the hydrodynamical behavior of fuel assemblies
Brazilian Journal of Radiation Sciences, 2021 The Brazilian Multipurpose Reactor - RMB is a 30 MW pool type research reactor, that uses Materials Testing Reactor - MTR type fuel assemblies. It has a 5x5 square array core with 23 fuel assemblies and two in-core irradiation positions, operating with ...
Walmir Máximo Torres +4 more
doaj +1 more source
Frontiers in Energy Research, 2023 The present study focuses on the thermal hydraulic characteristics of fuel assemblies in the China Initiative Accelerator Driven subcritical System (CiADS), which utilizes grid-type spacers to support lead bismuth eutectic (LBE) cooled fast reactors ...
Qi-Jian Chen +8 more
doaj +1 more source
Глобальная ядерная безопасность, 2023 The paper considers and systematises the options of fuel assemblies (FAs) for the WWER-1000 reactor. In the Serpent neutron-physics code, an infinite-height fuel assembly with six fuel pins is modelled using the U49G6 pattern used in the WWER-1000 «large
A. A. Lapkis +3 more
doaj +1 more source
INTRODUCING BURNUP CREDIT FOR EXPANSION STAGE 2 OF THE EXTERNAL SPENT FUEL POOL AT GÖSGEN NPP [PDF]
EPJ Web of Conferences, 2021 We present a summary of the actinide-plus-fission-product burnup credit criticality safety licensing analysis for Expansion Stage 2 (ES2) of the external spent fuel pool at Gösgen nuclear power plant.
Hoefer Axel +8 more
doaj +1 more source
Loading optimization for Swiss used nuclear fuel assemblies into final disposal canisters
Nuclear Engineering and Design, 2020 In this study, an optimization of the canister loading for used nuclear fuels is performed, solely based on their decay heat values. By taking into account the individual irradiation history for each fuel assembly, as well as with a number of assumptions
V. Solans +4 more
semanticscholar +1 more source
Generating Hexahedral Mesh for Wire-wrapped Fuel Assembly With RBF Mesh Deformation Method
Frontiers in Energy Research, 2021 Fuel assemblies with wire spacer are widely used in Generation IV liquid nuclear reactors. With the rapid development of computational power, the Computational Fluid Dynamic (CFD) method is becoming an effective tool to investigate the detailed three ...
X. A. Wang +9 more
doaj +1 more source