Environmental degradation of structural materials in liquid …
A number of new and innovative reactor concepts could turn this dream into reality. These include fast/epithermal neutron spectrum reactors, such as the PEACER waste-burning liquid metal-cooled design developed at Seoul National University in South Korea [16], and accelerator-driven fast neutron reactors, such as the ADS (accelerator …
Polonium evaporation and adhesion experiments for the …
Introduction LeadeBismuth Eutectic (LBE) has good characteristics including a low melting temperature, a high boiling temperature and chemical inertia with air and water. It is expected to be utilized as a coolant in innovative fast reactors, and as a coolant and target of accelerator-driven subcritical systems.
Microstructure, mechanical properties and lead-bismuth …
1. Introduction. Lead-bismuth eutectic (LBE) alloys have been considered to be the primary anticipant coolant materials for lead-based cooled fast reactors (LFR) due to their good thermo-physical, chemical and neutron properties [1], [2].However, the structural or functional steel materials directly in contact with LBE would suffer severe …
Numerical simulation of three-dimensional flow and heat …
Liquid lead-bismuth cooled fast reactor is one of the most promising reactor types among the fourth-generation nuclear energy systems. The flow and heat transfer characteristics of lead-bismuth eutectic (LBE) are completely different from ordinary fluids due to its special thermal properties, causing that the traditional Reynolds analogy is no ...
URANUS: Korean Lead-Bismuth Cooled Small …
A core design of MicroURANUS, a long‐cycle lead‐bismuth‐cooled fast nuclear reactor for marine applications, is presented. It aims to generate a power of …
Microstructure and Mechanical Properties of Solid Lead
Lead-Bismuth eutectic (LBE) alloy has received extensive attention as a liquid metal coolant in fast reactors. However, the expansion of solidified LBE after freezing brought a big challenge to reactor design. Multiple freezing and melting processes during accident may result in the volume changes thereby lead to the expansion stresses. In the …
Simulation study of steels corrosion phenomenon in
The liquid lead used in fast nuclear reactor has been known to be able to cause a significant damage to the steels. Therefore, finding new materials with high corrosion resistance is the goal of ...
Corrosion behavior of refractory TiNbZrMoV high-entropy
1. Introduction. Lead‑bismuth eutectic (LBE), a heavy liquid metal (HLM), has been identified as a coolant for lead-cooled fast reactors (LFRs) [1], [2], [3], owing to its properties of high boiling point, great thermal conductivity, low chemical activity, and positive neutronic characteristics [4].A challenging issue is the poor compatibility of …
RBEC LEAD-BISMUTH COOLED FAST REACTOR: …
A concept of the RBEC lead-bismuth fast reactor-breeder is a synthesis, on one hand, of more than 40-year experience in development and operation of fast sodium power …
Handbook on Lead-bismuth Eutectic Alloy and Lead …
Heavy liquid metals such as lead or lead-bismuth have been proposed and investigated as coolants for fast reactors since the 1950s. More recently, there has been renewed …
Lead and Lead-bismuth Eutectic
Lead, lead-bismuth eutectic, and other metals have been proposed and occasionally used.The lead-cooled fast reactor is a nuclear reactor design that features a fast neutron spectrum and molten lead or lead-bismuth eutectic coolant. Lead-Bismuth Eutectic or LBE is a eutectic alloy of lead (44.5%) and bismuth (55.5%). Molten lead or lead-bismuth …
Numerical simulation of three-dimensional flow and heat …
DOI: 10.1016/j.2020.12.025 Corpus ID: 234446903; Numerical simulation of three-dimensional flow and heat transfer characteristics of liquid lead–bismuth @article{He2021NumericalSO, title={Numerical simulation of three-dimensional flow and heat transfer characteristics of liquid lead–bismuth}, author={Shaopeng He and Mingjun …
Crystals | Free Full-Text | A Review of Corrosion Behavior of …
With the development of fourth-generation nuclear power technology, the research of liquid metal as fast reactor coolant is becoming more and more advanced. Liquid lead–bismuth eutectic (LBE) is a cooling agent for lead-cooled fast reactors (LFR) and is one of the candidates for accelerator-driven subcritical (ADS) reactors and mainly …
Simulation study of steels corrosion phenomenon in
Corrosion phenomena of stainless steel in liquid lead–bismuth as a coolant in nuclear fast breeder reactor are a field which is intensively investigated by the researchers in the recent year. We try to study this corrosion phenomena by computer simulation using molecular dynamics methods. The initial positions of the system were taken from the …
Development of reduced-order thermal stratification model …
1. Introduction. Thermal stratification plays a vital role in the safety of nuclear reactor systems. After an emergency shutdown of a lead-bismuth fast reactor, the flow and temperature of lead-bismuth at the core outlet tend to decrease rapidly due to their approximately exponential relationship.
Corrosion of ODS steels in lead–bismuth eutectic
1995. "The EA operates indefinitely in a closed cycle, namely the discharge of a fuel load, with the exception of fission fragments, is re-injected in the sub-critical unit with the addition of natural…. Expand. 517. PDF. Semantic Scholar extracted view of "Corrosion of ODS steels in lead–bismuth eutectic" by P. Hosemann et al.
Numerical simulation of three-dimensional flow and …
Liquid lead-bismuth cooled fast reactor is one of the most promising reactor types among the fourth-generation nuclear energy systems. The flow and heat transfer …
Study on small long-life LBE cooled fast reactor with
The relevant research turns to be hot and different types of advanced leadebismuth eutectic or lead cooled fast reactor concept designs are considered in various countries (Sobolev et al., 2009). ...
LEAD-BISMUTH COOLED FAST REACTOR FOR …
A promising reactor for regional power generation is the lead-bismuth cooled fast reactor SVBR-100 [1]. SVBR-100 Reactor Facility. This facility was developed as a 100 MW(e) …
Corrosion of Steels in Lead--Bismuth Flow
For the development of lead–bismuth (Pb–Bi) cooled fast breeder reactors, the corrosion characteristics of various steels in a flowing Pb–Bi were investigated by means of steel corrosion test performed in the flowing Pb–Bi for 1,000h. It was found that liquid metal corrosion was inhibited by single or multiple oxide layers formed on the ...
Improved lead-bismuth eutectic corrosion resistance …
The lead or lead alloy cooled fast reactor (LFR) is particularly considered as one of the most interesting fast nuclear systems due to its intrinsic safety features [1,2]. …
Corrosion Resistance of High Cr Steels and Ceramic
SiC ceramic was regarded as a candidate of the cooling pump impellers of accelerator-driven systems and Gen-IV lead-cooled fast reactors 1-3 due to its many excellent properties such as ...
Handbook on Lead-bismuth Eutectic Alloy and Lead …
Several national and international R&D programmes are ongoing for the development of liquid lead-alloy technology and the design of liquid-lead alloy-cooled reactor systems. In 2007, a first edition of the handbook was published to provide deeper insight into the properties and experimental results in relation to lead and lead-bismuth …
Fe-based amorphous coating prepared using high-velocity
The Fe-based amorphous coating can act as a stable barrier layer in liquid LBE and have great application potential for long-term service in LBE-cooled fast reactors. The Fe49.7Cr18Mn1.9Mo7.4W1.6B15.2C3.8Si2 amorphous coating was deposited on T91 steel substrate by using the high-velocity oxygen fuel (HVOF) spray techniq
Development of Reduced-Order Thermal Stratification …
After the emergency shutdown of the lead-bismuth fast reactor, the thermal stratification in the upper plenum has an important impact on the integrity of the reactor structure and the residual heat removal capacity of the natural circulation, which requires special attention. In order to overcome the defects of traditional thermal stratification analysis method, a high …
Reactor core design optimization of the 200 MWt Pb–Bi cooled fast …
Accident analysis of lead or leadebismuth cooled small safe long-life fast reactor using metallic or nitride fuel. Nuclear Engineering and Design 162, 205. Sekimoto, H., Su'ud, Z., 1998. Comparative study on safety performance of nitride fueled leadebismuth cooled fast reactor with various power levels. Progress in Nuclear Energy 32, 571.
Experimental Study on Flow Technology and Steel Corrosion …
For the feasibility study of Pb-Bi-cooled fast reactors (FR) and the Pb-Bi target of accelerator-driven nuclear transmutation systems, Pb-Bi flow technologies were developed and steel corrosion behavior in a Pb-Bi flow was investigated using a Pb-Bi circulation loop. The performance of an electro-magnetic flow meter with electrically …
Corrosion of Steels in Lead-Bismuth Flow
Koji HATA. For the development of lead-bismuth (Pb-Bi) cooled fast breeder reactors, the corrosion characteristics of various steels in a flowing Pb-Bi were investigated by means of steel corrosion test performed in the flowing Pb-Bi for 1,000 h. It was found that liquid metal corrosion was inhibited by single or multiple oxide layers formed on ...
Thermal hydraulic investigations on lead-bismuth cooled …
The current concept designs of liquid lead bismuth eutectic or pure lead cooled fast ... modified the subchannel analysis code SLTHEN to investigate the single and 7rod leadebismuth cooled ...
Conceptual Design of a Lead-Bismuth Cooled Fast …
The feasibility of a lead-bismuth (Pb-Bi) cooled fast reactor that eliminates the need for steam generators and coolant pumps was explored. The working steam is …
