Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16038
Title: An energy model of yarn bending
Authors: Choi, KF
Tandon, SK
Keywords: Bending
Helix
Mechanics
Modelling
Wool
Yarn
Issue Date: 2006
Publisher: Routledge, Taylor & Francis Group
Source: Journal of the Textile Institute, 2006, v. 97, no. 1, p. 49-56 How to cite?
Journal: Journal of the Textile Institute 
Abstract: This paper describes a new energy model of yarn bending. The fibre bending and torsion energy terms are considered. The fibre helices could be naturally curved. Fibre helices in a bent yarn are generated by a rotating vector. The singularity of torsion along a bent fibre helix is discussed. By allowing the rotation speed of the rotating vector to vary exponentially along the fibre path, a more realistic fibre path can be defined and the singular point of torsion can be avoided. Fibres are allowed to self-detwist in order to minimise the total potential energy of the bent yarn. Inter-fibre frictional effects have been neglected. Experimental work on yarn bending has been performed to validate the new model. A good level of agreement has been found between the theory and the experiment.
URI: http://hdl.handle.net/10397/16038
ISSN: 0040-5000
EISSN: 1754-2340
DOI: 10.1533/joti.2005.0212
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