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Computational analysis of fibre bonding in the through-air process.

Hossain, M.; Acar, M.; Malalasekera, W.

Authors

M. Acar

W. Malalasekera



Abstract

Though-air bonding is one of the thermal methods of bonding fibres in the production of nonwoven webs. A computational study of the formation of bond point between two bicomponent fibres during the through-air bonding process is reported in this paper. The computational method involves solving the Navier-Stokes equations for two-phase flows of air and molten polymer in a three-dimensional configuration. The heating, melting and bonding of fibres are modelled by the Volume of Fluid (VOF) model together with a melting model. The simulated results show the formation of the bond between two fibres in contact and the change of shape of the bond with time at different bonding temperatures. The computation shows that the rate of bonding increases slightly at higher temperature.

Journal Article Type Article
Publication Date May 31, 2007
Journal Proceedings of the Institution of Mechanical Engineers, part E: journal of process mechanical engineering
Print ISSN 0954-4089
Electronic ISSN 2041-3009
Publisher SAGE Publications
Peer Reviewed Peer Reviewed
Volume 221
Issue 2
Pages 69-75
Institution Citation HOSSAIN, M., ACAR, M. and MALALASEKERA, W. 2007. Computational analysis of fibre bonding in the through-air process. Proceedings of the Institution of Mechanical Engineers, part E: journal of process mechanical engineering [online], 221(2), pages 69-75. Available from: https://doi.org/10.1243/0954408JPME104
DOI https://doi.org/10.1243/0954408JPME104
Keywords Nonwovens; Through air bonding; CFD

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