BackgroundThe annular fuel assembly of lead-bismuth cooled fast reactor has many safety advantages, but during its operation, due to the corrosive effect of lead-bismuth coolant, it is prone to blockage accidents, resulting in deterioration of heat ...
CHEN Qi +4 more
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Numerical simulation to study mixing vane spacer effects on heat transfer performance of supercritic
The spacer represents an essential part in the nuclear fuel rod. Spacer grid with mixing vanes in fuel rod bundle of nuclear reactor core has a significant impact on heat transfer performance in downstream to grid spacer.
Satish Kumar DHURANDHAR +2 more
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Numerical Study on Coolant Flow and Heat Transfer Characteristics in Annular Fuel
Annular fuel element is a new type of fuel element proposed by Massachusetts Institute of Technology. The fuel element structure adopts double channel cooling structure with internal and external cooling simultaneously. Compared with the traditional rod-
ZHOU Yunlong;WU Mingting;HUANG Na;LI Hongwei
doaj
Thermal hydraulic analysis of a PWR loaded with annular fuel rods
In 2006, the final report of the MIT Center for Advanced Nuclear Energy Center the project entitled High Performance Fuel Design for Next Generation PWR’s presented the proposal of an internal and external cooled ring fuel with the objective of ...
Wallen Ferreira De Souza +3 more
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Temperature Field Progression in Annular Tube Around Heated Rod in Respect to the Mass Flow of Coolant [PDF]
The paper looks into liquid flow simulation in the annular tube around the heated rod. The numerical simulation serves primarily the purpose of describing the temperature field in the annular tube that represents a simplified model of a nuclear reactor ...
David LÁVIČKA
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Analyzing (Th-233U-235U)O2 fuel performance in various assembly configurations: A comparative neutronic study [PDF]
This article investigates alternate fuel options for Pressurized Water Reactors (PWRs), focusing on thorium use to address safety, efficiency, and waste issues associated with standard UO2 fuel.
Fadi El Banni +3 more
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Preliminary Analysis of the Cladding Mechanical Behavior of a Nuclear Superheat Boiling Water Reactor [PDF]
In the present study, investigation of mechanical behaviour of the fuel cladding material for a nuclear superheat Boiling Water Reactor with annular fuel rods, is carried out.
Majid Bahonar +2 more
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Evaluation of SiC cladded annular fuel as accident tolerant fuel for PWRs
Nuclear energy produced by Light Water Reactors (LWRs) was in the spotlight in the aftermath of the Fukushima disaster, which led to the development of Accident Tolerant Fuels (ATF). ATF desires to improve fuel safety and performance under normal and accident operating conditions.
openaire +1 more source
Investigation on the effect of void fraction on annular fuel flow distribution ratio
Annular fuel assemblies feature a dual cooling channel configuration (inner and outer channels), where void fraction variations significantly affect channels flow distribution as reactor power increases. To address this thermal-hydraulic challenge, a 1/8-
Yongyu Zhang +7 more
doaj +1 more source
Investigation of the Al2O3/ Water Nano-Fluid Concentration and Size Effects on the Neutronics and Thermal-Hydraulic Parameters in the VVER-1000 Nuclear Reactor Using Artificial Neural Networks [PDF]
Nowadays, many researches have been done to improve the efficiency of the nuclear power plants, one of which is the use of the dual cooled annular fuel which is an internally and externally cooled annular fuel with many advantages in heat transfer ...
M Rezaee +2 more
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