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Modeling and Simulation of Curved Fibers in Dry Spinning Scenarios | | Manuel Wieland
; Walter Arne
; Nicole Marheineke
; Raimund Wegener
; | | Date: |
15 Apr 2019 | | Abstract: | Dry spinning is characterized by the simultaneous production of multiple thin
polymeric fibers in airflows and the evaporation of the solvent contained in
these fibers. This involves fiber-air interactions as well as radial diffusion
effects over the fiber cross-sections. Recent models for fibers in such
production processes assume the fiber curves to be strictly uni-axial. But
there are industrial setups showing airflow induced lateral movements of the
fibers which creates the need for curved fiber models. In this paper we present
a special Cosserat rod model that describes curved fibers in such dry spinning
processes. Adapting the efficient simulation framework from the uni-axial fiber
setting makes the simulation of industrial setups for multiple curved fibers
with two-way coupled airflows possible, for which we present results for the
first time in literature. | | Source: | arXiv, 1907.9269 | | Services: | Forum | Review | PDF | Favorites | |
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