Results 1 to 10 of about 821 (181)
Automated system for control of VVER-1000 fuel properties considering fuel cladding damage parameter. [PDF]
An automated system for control of VVER-1000 reactor fuel properties considering fuel element cladding damage parameter, fuel burnup and axial offset has been proposed.
Pelykh S. +3 more
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The ballooning behavior of fuel rod cladding is an important issue of nuclear reactor, which may initiate a severe nuclear reactor accident. Based on COMSOL multi-physical module, this research established a thermo-mechanical coupling finite element ...
Xin Zhang +4 more
doaj +3 more sources
BackgroundUranium dioxide fuel elements of fast neutron reactor operate under the conditions of high burnup, high neutron fluence rate, high line power and high temperature.
CHEN Qidong, GAO Fuhai
doaj +1 more source
Using the finite element multiphysics modeling method, the performance of the thorium-based fuel with Cr-coated SiC/SiC composite cladding under both normal operating and accident conditions was investigated in this work.
Shengyu Liu +4 more
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Key factors affecting the thermal performance of annular fuel elements in LFR
BackgroundThe key factors affecting the thermal performance of the lead-cooled fast reactor (LFR) annular fuel are very important to improve the core power density of LFR.PurposeThis study aims to analyze those key factors and provide guidance for ...
WANG Yuxuan +5 more
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Measurement of the spent fuel rod cladding temperature during the in-pile testing at 500–900°C [PDF]
This paper deals with the problem of measuring the VVER-1000 burnup fuel cladding temperature in a 500–900°C range in the process of experiments in a channel of the MIR research reactor to obtain data on the fuel element behavior under the influence of ...
Oleg I. Dreganov +3 more
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Under loss-of-coolant conditions, the temperature on fuel cladding will increase rapidly (up to 1000–1500 K), which will not only cause a dramatic oxidation reaction of Zircaloy-4 and an increase in hydrogen concentration but also cause an allotropic ...
Wenjun Lu +3 more
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Examination of fuel elements irradiated in the reactor of the World’s First NPP after long-term storage [PDF]
Examinations of fuel elements with two different fuel compositions, U-Mo+Mg and UO2+Mg, irradiated in the AM reactor after their long-term storage do not reveal any visible defects on the surface of their outer claddings.
Sergey N. Ivanov +5 more
doaj +3 more sources
Three-Dimensional Modeling of Thermal-Mechanical Behavior of Accident Tolerant Fuels
Considering the safety issues of the traditional UO2-Zr fuel, a variety of accident-tolerant fuel (ATF) candidates have been proposed in recent years.
Zitao Zeng +9 more
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Three-dimensional finite element simulations are implemented for the in-pile thermo-mechanical behavior in U–Mo/Al monolithic fuel plates with different thermal creep rates of cladding involved. The numerical results indicate that the thickness increment
Xiaobin Jian, Shurong Ding
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