About: Yarn diameter measurements

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	Yarn diameter measurements Yarn diameter measurements (en)
skos:prefLabel	Yarn diameter measurements Yarn diameter measurements (en)
skos:notation	RIV/46747885:24410/13:#0001679!RIV14-MSM-24410___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Moučková, Eva Ibrahim, Sayed Militký, Jiří Křemenáková, Dana Eldessouki, Mohamed
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta textilní
http://linked.open...dnocenehoVysledku	117631
http://linked.open...ai/riv/idVysledku	RIV/46747885:24410/13:#0001679
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Yarn diameter; Air jet spinning; Autocorrelation; Spectral analysis (en)
http://linked.open.../riv/klicoveSlovo	Autocorrelation Air jet spinning Yarn diameter Spectral analysis
http://linked.open...ontrolniKodProRIV	[96BA1DE78C5F]
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Ibrahim, Sayed Křemenáková, Dana Militký, Jiří Moučková, Eva Eldessouki, Mohamed
http://localhost/t...ganizacniJednotka	24410

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