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Current Issue
V.35,no.4,Dec 2023
https://doi.org/10.5764/TCF.
Journal Textile Coloration and Finishing
Year / Vol.,
Issue, Month
2022 / V.34,no.1,Mar
Title A Study on the Flow Analysis of Air-gap Wet Spinneret according to the Viscosity of Copolymerized Aramid Polymer
Authors Dong-hyun Yeo, Jonh-huk Lee, Jun-hee Lee, Seong-hun Yu, Yong-tae Park1, Jung-hoon Sung1, and Jee-hyun Sim
Institution/Affiliations DYETEC, 1TAEKWANG Industrial Co., Ltd
Pages/Total page pp.27 ~ 37 / 11
Language Korean
Abstract In this study, a study and interpretation of the spinning process in copolymerized aramid spinning was conducted. In order to proceed with the spinning process modeling and analysis, the spinning process was modeled through the physical property modeling of the spinning solution and the structural modeling of the spinneret, and structural stability and flow of the spinneret for this spinning were analyzed. After modeling the spinning solution and the spinneret in a virtual space, the pack pressure and flow rate when the spinning solution was discharged were simulated. Macroscopically, the structural stability of the spinneret was confirmed at the standard pack pressure (100 kg¡¤f/cm2), and microscopically, the flow rate and pressure drop data of the spinning solution according to the L/D(Length (L)/Diameter (D)) value were analyzed. Based on the research and development of virtual engineering modeling and analysis, we present the possibility of changing the shape and mechanical properties of copolymer aramid fibers according to the spinning process.
Keywords copolymer aramid, air gap wet spinning, finite element analysis, structural simulation, computational fluid dynamics, spinneret, viscocity
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Reference http://koreascience.or.kr/journal/OSGGBT.page?&lang=ko

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