Results 1 to 10 of about 63,160 (263)

Examination of fuel elements irradiated in the reactor of the World’s First NPP after long-term storage [PDF]

open access: yesNuclear Energy and Technology, 2023
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

A method for limitation of probability of accumulation of fuel elements claddings damage in WWER

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2014
The aim is to reduce the probability of accumulation of fuel elements claddings damage by developing a method to control the properties of the fuel elements on stages of design and operation of WWER.
Сергій Миколайович Пелих   +2 more
doaj   +7 more sources

Containment Integrity and Sealing Assessment for HTR-PM600 Fresh Fuel Transport Package Under Impact Loading

open access: yesFrontiers in Energy Research, 2022
Reliable transportation of fuel elements is vital for High Temperature Reactor (HTR) power plant. Therefore, the safety performance of the containment boundary in HTR-PM600 fresh fuel transport package under impact loading should be assessed ...
Yuchen Hao   +7 more
doaj   +1 more source

Slow positron beam study on defects induced by Xe ions irridiation in matrix graphite of fuel elements

open access: yesHe jishu, 2022
Background The solid fuel thorium element molten salt reactors (MSR) have attracted more attention recent years. A3-3 graphite is chosen as the fuel matrix for MSR, thus its irradiation behavior and mechanical property is very important before the ...
XU Hongxia   +5 more
doaj   +1 more source

Friction and wear of elements of nuclear reactors [PDF]

open access: yesE3S Web of Conferences, 2023
Fuel elements (fuel rods) and spacer grids are the main elements of the fuel assembly of a nuclear reactor. Friction forces affect the strength of the fuel assembly at all stages of its life cycle.
Kanareykin Alexandr
doaj   +1 more source

Using a user–defined function in Ansys Fluent to implement the energy release profile in model fuel elements taking into account radiation heating

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы, 2021
The paper presents a model of an experimental device tested on the complex of impulse graphite reactor of the Branch IAE RSE NNC RK, designed to study the possibility of changing the neutron spectrum of the reactor from thermal to fast.
Н.А. Сулейменов   +2 more
doaj   +1 more source

Analysis and optimization of energy release and fuel burnup nonuniformity in the WWER-1000 fuel assembly

open access: yesГлобальная ядерная безопасность, 2023
The paper considers and systematises the options of fuel assemblies (FAs) for the WWER-1000 reactor. In the Serpent neutron-physics code, an infinite-height fuel assembly with six fuel pins is modelled using the U49G6 pattern used in the WWER-1000 «large
A. A. Lapkis   +3 more
doaj   +1 more source

Effect of the burnable absorber arrangement on the VVER-1200 fuel assembly neutronic performance [PDF]

open access: yesNuclear Energy and Technology, 2021
Optimizing the use of fuel in a power reactor is a task of current concern. However, little attention has been given to investigating the dependences among the enrichment used, the content of gadolinium oxide in fuel elements, and the life time in ...
Ruslan A. Vnukov   +4 more
doaj   +3 more sources

A study of the output characteristics of electric fuel pumps during artificial fault simulation [PDF]

open access: yesFME Transactions, 2021
The electric fuel pump (EFP) is one of the potential sources of fuel system failures. According to various data, the fuel system accounts for 25...50% of all failures.
Gritsenko A.   +3 more
doaj   +1 more source

Tensile mechanical behavior of SiC fiber bundle reinforced composites with different interfaces

open access: yesCailiao gongcheng, 2019
Based on the domestic third generation SiC fiber, the SiC fiber bundle reinforced composites with different interface thicknesses and matrix volume fractions were fabricated by chemical vapor infiltration, and the tensile behavior of the composites was ...
HE Zong-bei   +5 more
doaj   +1 more source

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