A simulation study of the spent nuclear fuel cask condition evaluation using high energy X-ray computed tomography

Liu, Xin; Lee, Hyoung Koo

doi:10.1016/j.ndteint.2016.02.008

Cited by 15 publications

(10 citation statements)

References 20 publications

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“…They concluded that the low energy regimes they measured suered from too much scattering to eectively dierentiate casks, although they noted evidence of signicant uences of higher-energy, unscattered radiation [9]. Recently a group at Missouri University of Science and Technology completed a simulation study of high energy x-ray CT measuring the entire dry cask [10]; they demonstrated that under ideal conditions sub-centimeter resolution could be obtained with scanning times of 1000 hr using a monoenergetic 4 MeV photon source with a source strength of 1x10 15 photons/s [10].…”

Section: Previous Workmentioning

confidence: 99%

High energy neutron transmission analysis of dry cask storage

Greulich

Hughes

Gao

et al. 2017

Nuclear Instruments and Methods in Physics Research Section A:

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Since the U.S. currently only approves of storing used nuclear fuel in pools or dry casks, the demand for dry cask storage is on the rise due to the continuous operation of currently existing nuclear plants which are reaching or have reached the capacity of their used fuel pools. With the rising demand comes additional pressure to ensure the integrity of dry cask systems. Visual inspection is costly and manpower intensive, so alternative nondestructive testing techniques are desired to insure the continued safe and eective storage of fuel. One such approach being investigated by the University of Florida is neutron based computed tomography. Simulations in MCNP are preformed where D-T energy neutrons are transmitted through the dry cask and measured on the opposite side. If the transmitted signal is clear enough, the interior of the cask can be reconstructed from the measurement of the alterations of neutron signal intensity using standard mathematical techniques developed for medical imaging. Preliminary eorts show a correlation between energy and number of scatters (which is an indication of retention of position information). Work is ongoing to quantify if the correlation is strong enough that an energy discriminator may be used as a lter in future image reconstruction. The calculated transmission probability suggests that an image could be reconstructed with a week of scanning.

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Section: Previous Workmentioning

confidence: 99%

High energy neutron transmission analysis of dry cask storage

Greulich

Hughes

Gao

et al. 2017

Nuclear Instruments and Methods in Physics Research Section A:

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“…HT fabricated graphite fluorides compounds consisting of two stages, (CF) n and (C 2 F) n respectively while LT fabricated fluorine-graphite intercalation compounds of CF x [198,199]. Various studies have been studied the lithium batteries contained graphite fluoride as cathode material [200][201][202][203][204][205]. Therefore, the specific energy densities of covalent graphite fluorides of the (C-F bond) reached 900 W h kg −1 [191].…”

Section: Carbon Fluoridesmentioning

confidence: 99%

“…Lithium vanadium fluorophosphate it is a new class of cathode material that produced high voltage, long cycle life, excellent thermally stability, stable crystalline structure with good quality [201][202][203][204]. Carbothermal reduction method used mainly to prepare LiVPO 4 F, also it is synthesized through one or two-step solid reactions [201], chemical lithiation [206][207][208][209][210], sol-gel method [206] and postannealing [211][212][213][214][215].…”

Section: Livpo 4 Fmentioning

confidence: 99%

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Review on Synthesis, Characterizations, and Electrochemical Properties of Cathode Materials for Lithium Ion Batteries

Bensalah¹,

Dawood²

2016

J Material Sci Eng

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The development of cutting-edge cathode materials is a challenging research topic aiming to improve the energy and power densities of lithium ion batteries (LIB) to cover the increasing demands for energy storage devices. Therefore, highly needed further improvements in the performance characteristics of Li-ion batteries are largely dependent on our ability to develop novel materials with greatly improved Li ion storage capacities. Three different types of cathode materials including intercalation, alloying and conversion materials are reviewed in this paper in order to orientate our researches towards highly performant LIBs batteries. This includes characteristics of different cathode materials and approaches for improving their performances.

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“…The components of computed tomography systems are very expensive; therefore, to assess the possibility of solving computed tomography design problems for specific test objects, it is effective to use computational experiments [13][14][15][16]. The simplest scanning scheme in computed tomography is the geometry of a narrow parallel beam [12].…”

Section: Introductionmentioning

confidence: 99%

Calculation Model of X-Ray Computed Tomography with Density Assessment Function

Osipov

Yadrenkin

Чахлов

et al. 2021

Russ J Nondestruct Test

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Abstract— A calculation model of X-ray computed tomography with a density assessment function in the geometry of a parallel beam has been proposed. The model includes blocks for simulating and correcting sinograms and reconstructing section images. When generating sinograms, the parameters of the test object, source, and recorder of X-ray radiation have been taken into account. Modeling algorithms are implemented in the MathCad system and tested on virtual test objects.

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A simulation study of the spent nuclear fuel cask condition evaluation using high energy X-ray computed tomography

Cited by 15 publications

References 20 publications

High energy neutron transmission analysis of dry cask storage

High energy neutron transmission analysis of dry cask storage

Review on Synthesis, Characterizations, and Electrochemical Properties of Cathode Materials for Lithium Ion Batteries

Calculation Model of X-Ray Computed Tomography with Density Assessment Function

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