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Statements

Subject Item
n2:RIV%2F46747885%3A24410%2F14%3A%230003842%21RIV15-MSM-24410___
rdf:type
skos:Concept n11:Vysledek
dcterms:description
The internal arrangement of fibers inside the yarn defines the yarn structure and affects its final properties and performance. Therefore, studying the detailed structure of yarns is one of the important research issues over the years where the depth of this study is affected by the available technology at the time. Computed Tomography (CT) is one of the technologies that utilize the interaction of x-rays with a rotated physical object to reconstruct a digital 3D model of the scanned object based on the transmitted x-rays intensity at different angles. In this study, a low energy x-ray source coupled with high resolution detectors installed in a micro-CT scanner that is capable of imaging objects with a resolution up to 0.3 micrometers. An air-jet spun yarn is introduced in this work with yarn imaging and an algorithm for calculating the packing density of fibers at different slices along the scanned yarn length. The preliminary results of this study show the feasibility of the CT scanning method to study the internal structure of yarns under relaxed conditions (i.e. without the application of strains on the yarn) which promises with a better understanding of many yarn parameters such as twist distribution, fiber migration, packing density, fibers friction, etc. The internal arrangement of fibers inside the yarn defines the yarn structure and affects its final properties and performance. Therefore, studying the detailed structure of yarns is one of the important research issues over the years where the depth of this study is affected by the available technology at the time. Computed Tomography (CT) is one of the technologies that utilize the interaction of x-rays with a rotated physical object to reconstruct a digital 3D model of the scanned object based on the transmitted x-rays intensity at different angles. In this study, a low energy x-ray source coupled with high resolution detectors installed in a micro-CT scanner that is capable of imaging objects with a resolution up to 0.3 micrometers. An air-jet spun yarn is introduced in this work with yarn imaging and an algorithm for calculating the packing density of fibers at different slices along the scanned yarn length. The preliminary results of this study show the feasibility of the CT scanning method to study the internal structure of yarns under relaxed conditions (i.e. without the application of strains on the yarn) which promises with a better understanding of many yarn parameters such as twist distribution, fiber migration, packing density, fibers friction, etc.
dcterms:title
Computed tomography application for investigating the internal structure of air-jet yarns Computed tomography application for investigating the internal structure of air-jet yarns
skos:prefLabel
Computed tomography application for investigating the internal structure of air-jet yarns Computed tomography application for investigating the internal structure of air-jet yarns
skos:notation
RIV/46747885:24410/14:#0003842!RIV15-MSM-24410___
n5:aktivita
n15:I
n5:aktivity
I
n5:dodaniDat
n10:2015
n5:domaciTvurceVysledku
n8:5578027 Eldessouki, Mohamed
n5:druhVysledku
n16:O
n5:duvernostUdaju
n12:S
n5:entitaPredkladatele
n9:predkladatel
n5:idSjednocenehoVysledku
8488
n5:idVysledku
RIV/46747885:24410/14:#0003842
n5:jazykVysledku
n13:eng
n5:klicovaSlova
Air-jet yarns; Computed tomography; packing density; Yarn internal structure
n5:klicoveSlovo
n6:Computed%20tomography n6:Air-jet%20yarns n6:Yarn%20internal%20structure n6:packing%20density
n5:kontrolniKodProRIV
[4F579387493F]
n5:obor
n14:JJ
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
2
n5:rokUplatneniVysledku
n10:2014
n5:tvurceVysledku
Eldessouki, Mohamed Ibrahim, Sayed
n3:organizacniJednotka
24410