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Statements

Subject Item
n2:RIV%2F46747885%3A24410%2F13%3A%230001679%21RIV14-MSM-24410___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
Yarn diameter and its variation is a very important parameter for evaluating the yarn quality and evenness. It directly affects fabric geometrical parameters such as the weight per unit area, the cover factor, the appearance, the air permeability and most of the comfort parameters. Measurement of yarn diameter is provided by commercial testing devices of different manufacturers. These instruments have different measuring optical systems and different algorithm s for determining the yarn diameter. This article deals with the measurement of the two air jet yarns produced on two different systems namely Murata Machinery Ltd. and Reiter. The measurements were performed using a high speed camera and the results were compared to commercial measuring instruments; namely Uster tester IV equipped with OM module, Lawson Hemphill CTT with YAS system, QQM 3. Most of these instruments have limited information about the behavior of yarn diameter and its variation on short and long term lengths. The data were extracted pretreated and evaluated against many statistical characteristics using time series analysis. Yarn diameter and its variation is a very important parameter for evaluating the yarn quality and evenness. It directly affects fabric geometrical parameters such as the weight per unit area, the cover factor, the appearance, the air permeability and most of the comfort parameters. Measurement of yarn diameter is provided by commercial testing devices of different manufacturers. These instruments have different measuring optical systems and different algorithm s for determining the yarn diameter. This article deals with the measurement of the two air jet yarns produced on two different systems namely Murata Machinery Ltd. and Reiter. The measurements were performed using a high speed camera and the results were compared to commercial measuring instruments; namely Uster tester IV equipped with OM module, Lawson Hemphill CTT with YAS system, QQM 3. Most of these instruments have limited information about the behavior of yarn diameter and its variation on short and long term lengths. The data were extracted pretreated and evaluated against many statistical characteristics using time series analysis.
dcterms:title
Yarn diameter measurements Yarn diameter measurements
skos:prefLabel
Yarn diameter measurements Yarn diameter measurements
skos:notation
RIV/46747885:24410/13:#0001679!RIV14-MSM-24410___
n10:predkladatel
n11:orjk%3A24410
n3:aktivita
n16:I
n3:aktivity
I
n3:dodaniDat
n6:2014
n3:domaciTvurceVysledku
n7:8045097 n7:8180989 n7:8888825 Eldessouki, Mohamed n7:5578027
n3:druhVysledku
n15:O
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
117631
n3:idVysledku
RIV/46747885:24410/13:#0001679
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Yarn diameter; Air jet spinning; Autocorrelation; Spectral analysis
n3:klicoveSlovo
n4:Air%20jet%20spinning n4:Yarn%20diameter n4:Autocorrelation n4:Spectral%20analysis
n3:kontrolniKodProRIV
[96BA1DE78C5F]
n3:obor
n9:JJ
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n6:2013
n3:tvurceVysledku
Militký, Jiří Křemenáková, Dana Ibrahim, Sayed Eldessouki, Mohamed Moučková, Eva
n12:organizacniJednotka
24410