Fibre behaviour in the spunbonding process. Part I: Characterisation of air flow and fibre motion
Sutcliffe, M. P. F.
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
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Battocchio, F., Sutcliffe, M. P. F., & Teschner, F. (2015). Fibre behaviour in the spunbonding process. Part I: Characterisation of air flow and fibre motion. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science https://doi.org/10.1177/0954406215616983
This is the author accepted manuscript. The final version is available from SAGE via https://doi.org/10.1177/0954406215616983
The random fibre oscillatory behaviour induced by turbulence in the diffuser of an industrial spun-bonding rig is measured experimentally. The turbulent air flow is firstly characterised by constant temperature hot-wire anemometry: averaged flow quantities, such as the mean velocity and the turbulent kinetic energy, as well as time dependent quantities, such as the integral time and the energy spectrum, are measured. The influence of the turbulent flow on the dynamics of a nylon filament of diameter 200 μm and a spun-bonding fibre of diameter 18 μm is then investigated by extracting the transverse displacement from images acquired by a digital camera.
nonwovens, spunbonding, turbulence, hot-wire anemometry, fibre dynamics, image processing
The authors are grateful to Fitesa Germany GmbH for the financial support.
External DOI: https://doi.org/10.1177/0954406215616983
This record's URL: https://www.repository.cam.ac.uk/handle/1810/251431