Recent Articles

Open access

ISSN: 2468-6050

24-Month Long Cycle Fuel Management Research Based on Accident Tolerant Fuel

As the installed nuclear power plants steadily increase in China, the demand for 24-month long cycle fuel management is gradually increasing as well. 18-month refueling strategy is mainly applied in...

Share article

An Open Source Thermo-hydraulic Uniphase Solver for Advection and Convection in Salt Flows (TUAS)

Due to a lack of open-source GUI simulators and corresponding system level simulation libraries for Gen IV Reactors such as the Fluoride Salt Cooled High Temperature Reactor (FHR), a systems level library...

Share article

Review of spatial scale dispersion models (ATDMs) to simulate environmental dispersion and deposition of radionuclides and the overview of GIS coupling with dispersion models

Estimation of the radiological consequences including the calculation of radiation doses to the exposed population requires numerical evaluation of atmospheric radioactive releases from nuclear facilities...

Share article

Study of a multi-factor coupling removal model for gas-borne source terms under jet flow conditions

After a pipe rupture in the reactor steam generator, high-temperature and high-pressure radioactive materials from the primary circuit enter the secondary side of the steam generator via a jet flow....

Share article

Experimental study of Portland cement concrete performance at moderately-elevated temperature

Concrete, as the most commonly-used construction materials, is used for thousands of structures, including buildings in nuclear power plants. Some concrete structures in nuclear power plants are subjected...

Share article

Characterization of oxygen transport in a lead-bismuth natural circulation loop

To investigate the oxygen mass transfer characteristics of a lead-bismuth natural circulation loop, numerical simulations of flow, heat transfer, and oxygen mass transfer processes were conducted using...

Share article

Condensation film flowing dynamics on inclined downward facing plate: Experimental and modeling study

In-containment refueling water storage tanks have been equipped as an important coolant source for passive cooling systems in the third-generation reactors. Condensate film collection from the containment...

Share article

Thermal analysis of irradiated secondary neutron source assembly with wet transportation

The irradiated secondary neutron source assembly can be used to start-up reactors. After irradiated, secondary neutron source assembly will produce neutron and γ. So, when used to start-up reactors,...

Share article

Study on the characteristics of aerosol diffusiophoresis deposition on the outer surface of a vertical circular tube

The deposition behavior of aerosols due to diffusiophoresis directly influences the migration and deposition of radioactive materials following an accident. This is critical in analyzing source term...

Share article

Optimization study of lead-based reactor heat exchangers based on Dakota coupling CFD

The lead-bismuth fast reactor is one of the fourth-generation reactor types.The microchannel heat exchangers are used as intermediate heat exchangers, which significantly influence the efficiency of...

Share article

Research on reactor power prediction of nuclear power plant based on multivariate optimization GRU model

In the operation of nuclear power plants, the accurate prediction of power change trends is crucial for ensuring safety and stability. In this work, a ML-GRU-RS method, based on model-agnostic meta-learning...

Share article

Method of out-of-pile high-temperature tests of low-melting materials in conditions of modeling a severe nuclear reactor accident

This article is devoted to the technique for conducting experiments to study the nature of the interaction of low-melting metals with corium in the conditions of simulating a severe nuclear reactor...

Share article

Investigate of electrochemical properties of Nd(II) and Nd(III) in eutectic LiCl–KCl molten salt

Pyroprocessing is one of the promising methods to reprocess the spent nuclear fuel. Neodymium (Nd) constitutes about one third of rare earth in fission products, however, the electrochemical properties...

Share article

Analysis of explosion incidents in nuclear fuel reprocessing facilities and recommendations for their prevention

Human society endeavors to harness nuclear energy for peaceful utilization, intertwining it with global strategies to address pressing issues such as energy demand, environmental preservation, and energy...

Share article

Machine learning for forecasting factory concentrations of nitrogen oxides from univariate data exploiting trend attributes

The development of post-processing technology for spent nuclear fuel is essential to ensuring the sustainable growth of nuclear energy. However, post-processing facilities release copious amounts of...

Share article

Investigation of sodium fire aerosol diffusiophoresis deposition in concrete gaps during the processes within nuclear power plants

Sodium fire accidents are among the high-risk incidents that nuclear power plants with sodium-cooled fast reactors pay close attention to. Sodium fire reactions can generate a considerable amount of...

Share article

Analysis of flow distribution and bypass flow for DHR-400 low temperature heating reactor

Flow distribution at the core inlet and the fraction of bypass flow are important aspects of thermal hydraulic design for reactor. Three-dimensional fluid dynamics analysis was used to numerically simulate...

Share article

Thermal hydraulic numerical analysis and experimental validation of GY-20A cobalt source transportation cask

Radioactive materials produced by the nuclear industry need to be properly post-processed to avoid radiation damage to people and the environment. Radioactive materials are usually transported and temporarily...

Share article

Experimental study of aerosol diffusiophoresis deposition in steel containment under external cooling measures

The steel containment of an advanced passive Pressurized Water Reactor adopted a passive containment cooling system to transfer residual heat to the environment through the steel containment, where...

Share article

Study on post-accident aerosol retention behavior in microchannels of steel containment in passive nuclear power plants

During an accident at a nuclear power plant, even if the containment is not severely damaged or fails, radioactive aerosols can still leak into the environment through microchannels that potentially...

Share article

Research on the configuration scheme and system parameter optimization of pumps in the component cooling system and sea water system for HPR1000

The Component Cooling System (CCS) and the Sea Water System (SWS) of HPR1000 are heat removal systems related to the safety of nuclear power plants. In both CCS and SWS, the configuration of pumps is...

Share article

The formation and stripping mechanism of oxide film on stainless steel surfaces

Typically, equipment in nuclear facilities operating in nitric acid media are made of stainless steel. Retired equipment exhibits relatively high levels of radioactivity, and chemical cleaning is a...

Share article

Ensuring safety in the Air transport of radioactive materials: Regulations, methodologies, and probabilistic safety assessment

The paper is focused on comprehensive study on air transportation of radioactive materials, covering regulations and requirements, hazard identification and proposed a methodology to apply the Probabilistic...

Share article

A comparative neutronic analysis of U–Th fuels as potential alternatives to traditional UO2 fuel for enhanced performance and safety in the ACP-100 SMR

This study examines U–Th-based alternative fuel options for the ACP-100 reactor core through a neutronic lens. Neutronic simulations were performed utilizing the Monte Carlo SERPENT code for 540 EFPDs....

Share article

Advancements in the research of high-temperature gas-cooled reactor fuel via additive manufacturing techniques

Recent advances in high-temperature gas-cooled reactor fuel research have captured the global spotlight, as modern operating contexts demand innovative responses to unprecedented challenges. This article...

Share article

Stay Informed

Register your interest and receive email alerts tailored to your needs. Sign up below.