SPH simulation for short fibre recycling using water jet alignment

Samantha J Huntley, Thomas C S Rendall*, Marco L Longana, Thomas Pozegic, Kevin D Potter, Ian Hamerton

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

2 Citations (Scopus)
10 Downloads (Pure)

Abstract

This work presents a computational model for a discontinuous fibre composite manufacturing process. The alignment mechanism of this novel process, called the High Performance Discontinuous Fibre (HiPerDiF) method, involves highly coupled fluid-structure interactions. Fibres with a length on the order of a few millimetres are placed in a water suspension, sprayed between two parallel plates and deposited on a moving belt to make an aligned discontinuous fibre tape. This technology can be used as part of a composites recycling process to remanufacture reclaimed fibres into valuable recycled composite feedstock by ensuring a high level of alignment. This work aims to model the alignment mechanism using smoothed particle hydrodynamics in order to inform the design of the industrial machine. The results reveal the influence of jet angle and fibre
length on the overall quality of fibre alignment.
Original languageEnglish
Pages (from-to)129-142
Number of pages14
JournalInternational Journal of Computational Fluid Dynamics
Volume35
Issue number1-2
Early online date25 Feb 2021
DOIs
Publication statusE-pub ahead of print - 25 Feb 2021

Bibliographical note

Funding Information:
This work was supported by Engineering and Physical Sciences Research Council [EP/P027393/1].

Publisher Copyright:
© 2021 Informa UK Limited, trading as Taylor & Francis Group.

Keywords

  • composites
  • SPH
  • recycling
  • short fibres
  • alignment

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