Corrosion Resistance and Mechanical Stability of Nickel Alloys in Molten-Salt Nuclear Reactors
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DOI: 10.1007/s10512-018-0372-y
Abstract: Choosing structural materials for molten-salt nuclear reactors is a high-priority problem. The results making it possible to choose the basic structural material for a molten-salt nuclear reactor are colligated in the present article. Forced and… read more here.
Keywords: nickel; nuclear reactors; molten salt; salt nuclear ... See more keywords
Electrochemical Decontamination of Irradiated Nuclear Graphite of Uranium-Graphite Nuclear Reactors
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DOI: 10.1007/s10512-020-00645-z
Abstract: Work has been performed as part of the implementation of measures to reduce the hazard of irradiated graphite during the decommissioning of uranium-graphite nuclear reactors. Electrochemical decontamination is studied as a method of purifying the… read more here.
Keywords: electrochemical decontamination; nuclear reactors; graphite nuclear; decontamination ... See more keywords
Stochastic processes during transients in nuclear reactors
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DOI: 10.1016/j.anucene.2017.01.022
Abstract: Abstract Steady state noise techniques are widely known and applied to the monitoring of neutron reacting system. This paper deals with the stochastic analysis of neutron chain systems (nuclear reactors or fissile system) which are… read more here.
Keywords: processes transients; transients nuclear; stochastic processes; nuclear reactors ... See more keywords
Adaptive robust control for axial offset in the P.W.R nuclear reactors based on the multipoint reactor model during load-following operation
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DOI: 10.1016/j.anucene.2017.01.025
Abstract: Abstract Control of the nuclear reactors during load-following operation is the most important problem in nuclear power plants due to safety reasons. In the nuclear reactor, imbalance of axial power distribution induces xenon oscillations. These… read more here.
Keywords: load following; control; nuclear reactors; reactor ... See more keywords
Numerical simulation of the nuclear reactors kinetics behavior using method of lines based on the GDQ method
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DOI: 10.1016/j.anucene.2017.11.012
Abstract: Abstract In this paper, for the first time, numerical technique using Method of Lines (MOL) based on the Generalized Differential Quadrature method (GDQ) is developed and applied for two energy groups of reactor kinetics and… read more here.
Keywords: nuclear reactors; method; using method; method lines ... See more keywords
Control of the pressurized water nuclear reactors power using optimized proportional–integral–derivative controller with particle swarm optimization algorithm
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DOI: 10.1016/j.net.2018.04.016
Abstract: Abstract Various controllers such as proportional–integral–derivative (PID) controllers have been designed and optimized for load-following issues in nuclear reactors. To achieve high performance, gain tuning is of great importance in PID controllers. In this work,… read more here.
Keywords: proportional integral; nuclear reactors; integral derivative; power ... See more keywords
An analytical approach to bifurcations and stability in simplified mathematical models of nuclear reactors
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DOI: 10.1016/j.pnucene.2019.03.008
Abstract: Abstract Asymptotic analytical methods are applied to study some problems related with bifurcations (both local and global) and stability in three simple mathematical models of nuclear reactors. The first case is a reactor which is… read more here.
Keywords: stability; model; models nuclear; bifurcation ... See more keywords
A multi-physics computational tool based on CFD and GEM chemical equilibrium solver for modeling coolant chemistry in nuclear reactors
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DOI: 10.1016/j.pnucene.2019.103190
Abstract: Abstract The development of integrated numerical codes based on Computational Fluid Dynamics (CFD) and high-fidelity chemical reaction modules, offers the opportunity of an accurate simulation of turbulent reactive transport in nuclear reactors. This is invaluable… read more here.
Keywords: chemistry; tool; nuclear reactors; physics ... See more keywords
Multi-criteria comparison of nuclear reactors using the MULTIMOORA method: A case of study for Chile
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DOI: 10.1016/j.pnucene.2021.103802
Abstract: Abstract Technology selection is a major issue in nuclear power since it restrains further options. Once generally accepted by society, a methodology is needed to analyze and synthetize multidimensional parameters for an optimum selection. The… read more here.
Keywords: methodology; criteria comparison; comparison nuclear; multi criteria ... See more keywords
New 4D and 3D models of chaotic systems developed from the dynamic behavior of nuclear reactors.
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DOI: 10.1063/5.0090518
Abstract: The complex, highly nonlinear dynamic behavior of nuclear reactors can be captured qualitatively by novel four-dimensional (that is, fourth order) and three-dimensional (that is, third order) models of chaotic systems and analyzed with Lyapunov spectra,… read more here.
Keywords: dynamic behavior; behavior nuclear; nuclear reactors; new models ... See more keywords
Feedback control for the nuclear reactors
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DOI: 10.1080/00207179.2016.1214878
Abstract: ABSTRACT The paper considers the standard nuclear reactor model with pointwise active zone dynamics together with the dynamics of the external circuits of the reactor in the linearised version. There are presented some Lyapunov functions… read more here.
Keywords: control; feedback control; control nuclear; nuclear reactors ... See more keywords