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Title: Optimisation of machine components in thermal bonding process of nonwovens: Effect of the conveyer belt on the porous web performance
Authors: Peksen, Murat
Acar, Memis
Malalasekera, W.
Keywords: Nonwoven
Thermal bonding
Porous media
CFD
Micro modelling
Continuum model
Issue Date: 2016
Publisher: © The Authors. Published by Sage.
Citation: PEKSEN, M., ACAR, M. and MALALASEKERA, W., 2016. Optimisation of machine components in thermal bonding process of nonwovens: Effect of the conveyer belt on the porous web performance. Journal of Industrial Textiles, In Press.
Abstract: A complementary study to our previous research to aid in the optimisation of the thermal bonding machine components for improved thermally bonded nonwoven production is introduced. The effect of the conveyer belt on the nonwoven’s thermo-fluid flow behaviour is investigated in detail. A hybrid model consisting of the discrete conveyer belt geometry and the continuum porous nonwoven web, is presented. A comparison study to predict the thermal and flow field differences in 3D and 2D formulations of the same problem is elucidated. The thermal and fluid flow distributions within the conveyer belt, nonwoven and the air domain are predicted with particular focus on the conveyer belt component of the Low & BONAR pilot machine. It has been shown that the developed 2D model provides accurate results for the conveyer belt temperatures. The three-dimensional flow effects on the thermal boundary have been predicted. The 3D approach is shown to be superior in depicting the wake behind the central conveyer belt thread. The amplitude of the wavy geometry is determined to be introducing different degrees of geometric three dimensionalities in the wake. The industrial partner Low & BONAR (former COLBOND bv.) provided technical data for the nonwoven and machine components.
Description: This paper was accepted for publication in the journal Journal of Industrial Textiles and the definitive published version is available at http://dx.doi.org/10.1177/1528083716682918
Sponsor: This research was financially supported by Low & BONAR (former COLBOND bv), The Netherlands.
Version: Accepted for publication
DOI: 10.1177/1528083716682918
URI: https://dspace.lboro.ac.uk/2134/24550
Publisher Link: http://dx.doi.org/10.1177/1528083716682918
ISSN: 1528-0837
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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