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Neutron noise calculation: A comparative study between SP3 theory and diffusion theory

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 156 ()

Calculation of neutron noise precisely can play an important role in monitoring and safety, as the knowledge from neutron noise analysis is useful for......

Review of interdisciplinary heat transfer enhancement technology for nuclear reactor

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 159 ()

All over the world, the nuclear reactor technology has been in the critical stage of transformation and upgrading. Also, there have been the higher re......

The neutron streaming correction method in the homogenization of Pebble-bed HTGR reflector

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 162 ()

In pebble-bed high temperature gas-cooled reactors (HTGRs), the outside graphite reflector generally contains void regions, including the boring chann......

Research on scaling analysis and design parameters of integral test facilities for PWR

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 163 ()

For the design verification and licensing of newly pressurized water reactors (PWRs), many integral test facilities were conducted. From the above int......

DEM study of flow characteristics of wet cohesive particles in packed bed

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 163 ()

The study of particle discharge flow is significant in industrial processes,especially wet cohesive particles. In this paper, the discrete element met......

Uncertainty propagation from n+Fe-56 nuclear reaction model parameters to neutron multiplication factor

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 163 ()

Nuclear data are the main uncertainty sources for modern neutron transport calculations. However, complete correlation matrices among different nuclea......

Rotor dynamic analysis of the vertical hydro-hybrid bearing rotor coupled system of a two-circuit main loop liquid Sodium pump system

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 155 ()

This work focuses on the rotor dynamic analysis of the vertical hydro-hybrid bearing-rotor system of a two-circuit main loop liquid Sodium pump system......

The numerical simulation and analysis of turbulent flow behavior in 5 x 5 fuel rod bundle with split-type mixing vane

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 159 ()

In this research, the numerical simulation and analysis of flow behavior in 5 x 5 fuel rod bundle with consideration of spacer grid has been conducted......

Multi-objective optimization method for nuclear reactor radiation shielding design based on PSO algorithm

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 160 ()

Radiation shielding with light weight is of significance for nuclear facilities, especially for mobile nuclear reactors. The design of radiation shiel......

Critical heat flux measurement and visualization in R-134a on a vertical single rod with and without mixing-vanes spacer: The characteristics and phenomenon of critical heat flux

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 160 ()

In this study, a critical heat flux (CHF) experiment using R-134a as working fluid was carried out in a vertical single rod geometry. A unique feature......

A hash mapping method using cell vectors in Monte Carlo code RMC

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 160 ()

As high-resolution nuclear reactor simulations have become increasingly popular, the repeated structure geometry employed in Monte Carlo (MC) transpor......

Relaxation of the requirements on loop height and heat transfer area of a passive heat removal system in integral SMR using a self-powered booster

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 162 ()

In this study, compactness improvement capacity of a self-powered efficiency booster is analyzed for natural circulation systems used in integral smal......

An analytical solution of temperature in a nuclear waste repository

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 163 ()

The temperature distribution is an important issue for the design and safety assessment of the repository for disposing high-level radioactive nuclear......

The effect of oblique crack on stability and fracture properties of Cr-coated Zircaloy cladding

期刊: ANNALS OF NUCLEAR ENERGY, 2021; 163 ()

In this paper, fracture properties of Cr-coated Zircaloy cladding, which has initial oblique crack in the coating, have been investigated. The von Mis......

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