Recent Articles

Open access

ISSN: 2468-6050

Study on the direct measurement method for trace plutonium in samples from spent fuel reprocessing

To directly, rapidly, and accurately measure trace plutonium in reprocessing samples, two α scintillation counters were developed for the direct measurement of liquids and solids after source preparation....

Share article

Numerical simulation of humidification process by spray evaporation under different air pressure and temperature

In special industrial fields, when dry compressed air enters process fluids containing radioactive substances, it often carries radioactive water vapour. To effectively solve this problem, it is necessary...

Share article

Research on temperature composite control system for radioactive waste incineration equipment

This paper presents a multi-mode control scheme for the temperature regulation of radioactive waste incineration equipment, integrating modern and fuzzy control theories. Separate controllers were designed...

Share article

Study on the method of measuring the interface of radioactive liquid by air blowing

Aiming at the interfacial measurement method of radioactive liquids, we propose and validate a program to realize the interfacial measurement of radioactive liquids by using the air blowing method....

Share article

Research on container for high-level radioactive waste vitrification product

Product containers for high-level radioactive waste liquid vitrified glass are critical components for ensuring continuous and stable operation of vitrification plants. Given the substantial demand...

Share article

Vibration response simulation of centrifuge excited by liquid medium based on SPH-FEM

A coupled Smoothed Particle Hydrodynamics-Finite Element Method (SPH-FEM) framework is implemented to study flow-induced vibration problems of a decanter centrifuge drum under operational conditions....

Share article

Research on skin dose assessment methods after severe accidents in nuclear power plants

In the event of a severe accident at the nuclear power plant, the radioactive plume can cause external immersion exposure and deposition exposure to the skin. The predominant code utilized for estimating...

Share article

Impact of revised RG 1.183 on source terms and radiological consequences of rod ejection accident for the HRP1000 reactor

This paper compares and analyzes the impact of the revised RG 1.183 on the source term and radioactive consequences of the rod ejection accident. The revision of RG 1.183 has resulted in changes to...

Share article

Research on fluid-structure interaction of spent fuel storage and transportation basket

The structural form of the spent fuel storage and transportation basket is different from that of the traditional rack, and the FSI parameters depend on the structural form. It is uncertain whether...

Share article

Design and research of an online continuous monitoring instrument for Iodine-129 in reprocessing facilities

This paper presents the design of an I-129 online continuous monitor based on the I-129 measurement scenario in the reprocessing plant, the characteristics of the NaI(Tl) crystal, the results of MCNP...

Share article

Research for radiological consequence analysis for extended design case of multiple SGTR accidents

In order to verify that the multiple heat transfer tubes rupture of steam generator (SGTR) in the third-generation passive nuclear power plants which use light water as coolant and moderator (TPLWNPPs)...

Share article

Research on radiological consequences analysis of reactor control rod ejection accident based on peak radial average fuel enthalpy rise

The fission products residing in the fuel rod void volume (plenum and pellet-to-cladding gap) are available for release upon cladding breach, and the fission products release fraction is a key parameter...

Share article

Vibration-absorbing design and comparing research on spent fuel transport cask

The safe transportation of spent fuel is an important part of the sustainable development of nuclear power industry, the research and independent design of spent fuel transport cask is particularly...

Share article

Study on the evolution and collection characteristics of droplet impact on a collector under space conditions

The Liquid Droplet Radiator (LDR) exhibits superior specific thermal radiation capacity, yet its performance is hindered by droplet splashing and subsequent loss during high-speed collisions with the...

Share article

Dynamic analysis of cold end accident conditions for a space gas-cooled reactor coupled with He–Xe brayton cycle system

Space nuclear power systems are promising for deep space missions. As the critical component of the space nuclear power system, radiators' performance significantly impacts both the cycle efficiency...

Share article

Simulation study of steam flow behavior and piping mechanical response analysis in safety valve discharge pipes with fluid-structure interaction

This study numerically simulates the steam flow behavior and piping mechanical response within the safety valve discharge piping of a nuclear power system. A one-way Fluid-Structure Interaction (FSI)...

Share article

Study on X-ray fluorescence measurement method for Fe content in secondary circuit sampling filter membranes of nuclear power plants

The measurement of iron (Fe) content in second-loop sampling filter membranes is critical for evaluating corrosion product deposition in pressurized water reactor (PWR) nuclear power plants. Traditional...

Share article

Application of isomorphic remote manipulators with haptic feedback in the development of automatic analysis equipment for spent fuel reprocessing samples

Acid concentration and plutonium valence state in samples are crucial analytical parameters for process control during spent fuel reprocessing. Due to the high radioactivity and strong corrosiveness...

Share article

Effects of Feedback Color and Icon Shape on Touch Interaction Performance Under Unstable Conditions of Floating Nuclear Power Platforms

In floating nuclear power platforms (FNPPs), the main control interface will gradually transition from traditional physical control panels to highly integrated, intelligent touchscreens. Existing research...

Share article

Maintainable container loader with high repeatability positioning accuracy for use in hot cell

In the hot cell, the hermetically sealed transport container must be transferred across multiple workstations prior to placement into the storage well. The minimal clearance between the outer wall of...

Share article

A study on data analysis utilizing the K-edge absorption spectroscopy in mixed thorium and uranium solutions

X-ray absorption spectroscopy stands as a non-destructive assay technique commonly employed in nuclear fuel reprocessing plants to analyze the concentration of elements such as uranium, plutonium,thorium.The...

Share article

Research on applicability of containment test data for HPR1000 based on phenomena scaling

The volume of the nuclear power plant containment is huge, making it difficult to conduct equal-scale or large-scale thermal-hydraulic tests. Currently the test data mainly come from small-scale tests....

Share article

A general two-group constants estimator for 17x17 PWR assembly configurations using artificial neural networks

In this study, a preliminary general two-group constants predictor using artificial neural networks (ANNs) for pressurized water reactor (PWR) based assembly designs is established. Users can input...

Share article

Characteristics of aerosol release from fuel cladding breakage in lead-bismuth reactors

Lead-bismuth reactors are the most promising type among the fourth-generation reactors. When the reactor operates for a long time, the fuel cladding may develop small breaches due to high temperatures...

Share article

Research on fault diagnosis method for nuclear power plants rotating machinery based on MoCo Siamese neural network

Rotating machinery is a kind of significant equipment that widely used in nuclear power plants (NPPs). The harsh operating environment and long-term continuous operation of the rotating machinery can...

Share article

Stay Informed

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