Results 1 to 10 of about 6,422 (165)
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
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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
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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
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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
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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
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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
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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
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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
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Famos III, burn-up measurement system suitable for la Hague acceptance criteria control [PDF]
Nuclear Technology and Radiation Protection, 2002 Fuel Assembly Monitoring System (FAMOS) was developed to set up a NDA method for the characterization of light water reactor fuel assemblies. The applied active/passive monitoring system made total characterization of fuel assemblies possible, without ...
Simon Gerold G. +1 more
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Evaluation of the reutilization of used nuclear fuel in a PWR core without reprocessing
Nuclear Engineering and Technology, 2019 Use of the reconstructed fuel assemblies from partially burnt nuclear fuel pins is analyzed. This reutilization option is a potential candidate technique to make better use of the nuclear resources. Standard two step method is used to calculate node i.e.
Zafar Iqbal Zafar +2 more
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