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Modelling of Radial Fiber Migration in Yarns

Bohuslav Neckáa

Department of Textile Structures, Textile Faculty, Technical University of Liberec, Hálkova 6, Liberec 1, 461 17, Czech Republic, bohuslav.neckar{at}vslib.cz

Mahinder Kumar Soni

Department of Textile Structures, Textile Faculty, Technical University of Liberec, Hálkova 6, Liberec 1, 461 17, Czech Republic

Dipayan Das

Department of Textile Structures, Textile Faculty, Technical University of Liberec, Hálkova 6, Liberec 1, 461 17, Czech Republic

Treloar’s vision [J. Textile Inst. 56, T359-T380 (1965)] of an ideal fiber intersecting the cylindrical yarn at all radii with the same (mean) frequency is not accurate and consequently the derived model does not correspondent to reality. This paper introduces a modified model of radial fiber migration in yarns and it is shown that the length of a fiber increases equidistantly with the steps of radius and each fiber in the yarn approximately follows a conical path. The derived theoretical relations were found to be in acceptable agreement with the experimental observations.

Key Words: equidistant radial migration • model • experiment • fiber • yarn

Textile Research Journal, Vol. 76, No. 6, 486-491 (2006)
DOI: 10.1177/0040517506061963


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