Results 61 to 70 of about 6,875,634 (190)

Development and Verification of a Spatial Dynamics Code RESTA‐3D for Light Water Reactors

open access: yesInternational Journal of Energy Research, Volume 2025, Issue 1, 2025.
A neutronics/thermal‐hydraulics (TH) coupled spatial dynamics code, reactor system transient analysis‐three dimensional (RESTA‐3D), has been developed for both static and transient analysis of large advanced light water reactors (LWRs), with a focus on control rod (CR) ejection accidents.
Yong Cui   +4 more
wiley   +1 more source

Load control of the point model of a PWR-type nuclear reactor using a tuned controller with the DE algorithm

open access: yesمجله علوم و فنون هسته‌ای, 2023
The load control of a nuclear reactor is important due to the nonlinear nature of its dynamics and the dependence of some parameters on the output power. the Proportional-Integral-Derivative controller (PID) is commonly regarded as an easy choice for reliable control.
openaire   +1 more source

Assessment of CTF boiling transition and critical heat flux modeling capabilities using the OECD/NRC BFBT and PSBT benchmark databases [PDF]

open access: yes, 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
core  

Fluidized bed membrane reactors

open access: yes, 2022
Fluidized bed membrane reactors are an extension or an improvement of a packed bed membrane reactor. The fluidized bed configuration allows a more uniform temperature due to the movement of particles even for very exothermic reactions and decreased ...
Gallucci, Fausto   +1 more
core   +1 more source

ACOUSTIC MODELING AND PREVENTION OF VIBROACOUSTIC RESONANCES IN THE PRIMARY CIRCUIT OF NUCLEAR POWER PLANTS WITH WWER-1200 REACTORS

open access: yesНадежность и качество сложных систем
Background. The commissioning of new nuclear power plants with WWER-1200 water-water energetic reactors, including the Akkuyu Nuclear Power Plant, requires a high level of operational safety and seismic resistance.
Konstantin N. Proskuryakov   +2 more
doaj   +1 more source

Assessment of Different Turbulence Models on Melt Pool Natural Convection Simulations With Internal Heat Source

open access: yesInternational Journal of Energy Research, Volume 2025, Issue 1, 2025.
In the context of severe nuclear accidents, the migration of corium into the reactor pressure vessel (RPV) poses significant hazards, prompting the proposal of the in‐vessel melt retention (IVR) strategy, particularly the external reactor vessel cooling (ERVC) approach.
Pengya Guo   +6 more
wiley   +1 more source

Numerical Simulation of Entrained Bubbles Flow in the Shell‐Tube Heat Exchanger of MSRs Based on Population Balance Model

open access: yesInternational Journal of Energy Research, Volume 2025, Issue 1, 2025.
In molten salt reactors (MSRs), a small amount of inert gas could be entrained from the free liquid surface to the primary loop, which may have obvious impacts on the heat transfer performance of the heat exchanger, the reactivity of the core, and the migration of insoluble fission products.
Ziye Wang   +6 more
wiley   +1 more source

A Global Review of PWR Nuclear Power Plants [PDF]

open access: yes, 2020
[Abstract] Nuclear energy is presented as a real option in the face of the current problem of climate change and the need to reduce CO2 emissions. The nuclear reactor design with the greatest global impact throughout history and which has the most ...
José A. Orosa   +5 more
core   +1 more source

Regression analysis of nuclear plant capacity factors

open access: yes, 1980
Operating data on all commercial nuclear power plants of the PWR, HWR, BWR, and GCR types in the Western World are analysed statistically to determine whether the explanatory variables size year of operation vintage and reactor supplier are significant ...
Stocks, KJ, Faulkner, JI
core  

Operating strategies for variable-flow sequencing batch reactors. [PDF]

open access: yes, 2007
Sequencing batch reactors (SBRs) are variable-volume, non-steady-state, suspended-growth biological wastewater treatment reactors. The treatment process is characterised by a repeated treatment cycle consisting of a series of sequential process phases ...
Stephenson, Tom   +5 more
core   +1 more source

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