Shock in the Yarn during Unwinding from Packages

Tension in the yarn and its oscillations during the over-end unwinding of the yarn from stationary packages depend on the unwinding speed, the shape and the winding type of the package, the air drag coefficient, and also the coefficient of friction between the yarn and the package. The yarn does not...

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Main Authors:	Stanislav Praček, Klemen Možina, Franci Sluga
Format:	Article
Language:	English
Published:	Hindawi Limited 2013-01-01
Series:	Abstract and Applied Analysis
Online Access:	http://dx.doi.org/10.1155/2013/972941

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spelling	doaj-8674dd4cedb045af850dd01e7aee73f62020-11-24T20:58:44ZengHindawi LimitedAbstract and Applied Analysis1085-33751687-04092013-01-01201310.1155/2013/972941972941Shock in the Yarn during Unwinding from PackagesStanislav Praček0Klemen Možina1Franci Sluga2Department of Textiles, NTF, University of Ljubljana, Snežniška 5, 1000 Ljubljana, SloveniaDepartment of Textiles, NTF, University of Ljubljana, Snežniška 5, 1000 Ljubljana, SloveniaDepartment of Textiles, NTF, University of Ljubljana, Snežniška 5, 1000 Ljubljana, SloveniaTension in the yarn and its oscillations during the over-end unwinding of the yarn from stationary packages depend on the unwinding speed, the shape and the winding type of the package, the air drag coefficient, and also the coefficient of friction between the yarn and the package. The yarn does not leave the surface package immediately at the unwinding point. Instead, it first slides on the surface and then lifts off to form the balloon. The problem of simulating the unwinding process can be split into two smaller subproblems: the first task is to describe the motion of the yarn in the balloon; the second one is to solve the sliding motion. In spite of the seemingly complex form of the equations, they can be partially analytically solved as we show in the paper.http://dx.doi.org/10.1155/2013/972941
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Stanislav Praček Klemen Možina Franci Sluga
spellingShingle	Stanislav Praček Klemen Možina Franci Sluga Shock in the Yarn during Unwinding from Packages Abstract and Applied Analysis
author_facet	Stanislav Praček Klemen Možina Franci Sluga
author_sort	Stanislav Praček
title	Shock in the Yarn during Unwinding from Packages
title_short	Shock in the Yarn during Unwinding from Packages
title_full	Shock in the Yarn during Unwinding from Packages
title_fullStr	Shock in the Yarn during Unwinding from Packages
title_full_unstemmed	Shock in the Yarn during Unwinding from Packages
title_sort	shock in the yarn during unwinding from packages
publisher	Hindawi Limited
series	Abstract and Applied Analysis
issn	1085-3375 1687-0409
publishDate	2013-01-01
description	Tension in the yarn and its oscillations during the over-end unwinding of the yarn from stationary packages depend on the unwinding speed, the shape and the winding type of the package, the air drag coefficient, and also the coefficient of friction between the yarn and the package. The yarn does not leave the surface package immediately at the unwinding point. Instead, it first slides on the surface and then lifts off to form the balloon. The problem of simulating the unwinding process can be split into two smaller subproblems: the first task is to describe the motion of the yarn in the balloon; the second one is to solve the sliding motion. In spite of the seemingly complex form of the equations, they can be partially analytically solved as we show in the paper.
url	http://dx.doi.org/10.1155/2013/972941
work_keys_str_mv	AT stanislavpracek shockintheyarnduringunwindingfrompackages AT klemenmozina shockintheyarnduringunwindingfrompackages AT francisluga shockintheyarnduringunwindingfrompackages
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Shock in the Yarn during Unwinding from Packages

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