Comparative analysis of neutronics/thermal-hydraulics multi-scale coupling for LWR analysis [PDF]
, 2008 The aim of the research described in this paper is to perform consistent comparative analyses of two different approaches for coupling of two-scale, two-physics phenomena in reactor core calculations. The physical phenomena of interest are the neutronics
Avramova, Maria +3 more
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An Investigation of Structural Strength of Nuclear Fuel Spacer Grid
EnergiesThis paper compares and discusses the methods for evaluation of the structural integrity of the mid spacer grid of nuclear fuel assembly via a finite element analysis of 3D shell elements.
Naqeeb Hakam Adli, Ihn Namgung
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Low Pressure Nuclear Thermal Rocket (LPNTR) concept [PDF]
A background and a description of the low pressure nuclear thermal system are presented. Performance, mission analysis, development, critical issues, and some conclusions are discussed. The following subject areas are covered: LPNTR's inherent advantages
Ramsthaler, J. H.
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Fundamentals of 3-D Neutron Kinetics and Current Status [PDF]
, 2008 This lecture includes the following topics: 1) A summary of the cell and lattice calculations used to generate the neutron reaction data for neutron kinetics, including the spectral and burn up calculations of LWR cells and fuel assembly lattices, and ...
Aragonés Beltrán, José María
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Thermal expansion method for lining tantalum alloy tubing with tungsten [PDF]
A differential-thermal expansion method was developed to line T-111 (tantalum - 8 percent tungsten - 2 percent hafnium) tubing with a tungsten diffusion barrier as part of a fuel element fabrication study for a space power nuclear reactor concept.
Mattson, W. F. +2 more
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The Nuclear Non-Proliferation Treaty\u27s Obligation to Transfer Peaceful Nuclear Energy Technology: One Proposal of a Technology [PDF]
, 1995 This Essay discusses the technology transfer provisions of the Treaty on the Non-Proliferation of Nuclear Weapons (“NPT”) and describes the Radkowsky Thorium Reactor, which is being developed as a peaceful nuclear energy ...
Grae, Seth
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Assessment of CTF boiling transition and critical heat flux modeling capabilities using the OECD/NRC BFBT and PSBT benchmark databases [PDF]
, 2011 The need to refine models for best-estimate calculations, based on good-quality experimental data, has been expressed in many recent meetings in the field of nuclear applications.
Avramova, Maria, Cuervo Gómez, Diana
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Influence of Bypass on Thermo-Hydraulics of VVER 440 Fuel Assembly
Journal of Mechanical Engineering, 2017 The paper deals with CFD modelling and simulation of coolant flow within the nuclear reactor VVER 440 fuel assembly. The influence of coolant flow in bypass on the temperature distribution at the outlet of the fuel assembly and pressure drop was ...
Jakubec Jakub +3 more
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Review of Past Nuclear Accidents: Source Terms and Recorded Gamma-Ray Spectra [PDF]
, 1997 Airborne gamma ray spectrometry using high volume scintillation detectors, optionally in conjunction with Ge detectors, has potential for making rapid environmental measurements in response to nuclear accidents.
Allyson, J.D. +4 more
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Modal properties of the flexural vibrating package of rods linked by spacer grids
Applied and Computational Mechanics, 2011 The paper deals with the modelling and modal analysis of the large package of identical parallel rods linked by transverse springs (spacer grids) placed on several level spacings.
Zeman V., Hlaváč Z.
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