Sensitivity of spinning process with flow-induced crystallization kinetics using frequency response method

Jang H. Yun, Dong Myeong Shin, Joo Sung Lee, Hyun Wook Jung, Jae Chun Hyun

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The sensitivity of the low- and high-speed spinning processes incorporated with flow-induced crystallization has been investigated using frequency response method, based on process conditions employed in Lee et al. [1] and Shin et al. [2,3]. Crystallinity occurring in the spinline makes the spinning system less sensitive to any disturbances when it has not reached its maximum onto the spinline in comparison with the spinning case without crystallization. Whereas, the maximum crystallinity increases the system sensitivity to disturbances, interestingly exhibiting high amplitude value of the spinline area at the take-up in low frequency regime. It also turns out that neck-like deformation in the spinline under the high-speed spinning conditions plays a key role in determining the sensitivity of the spinning system.

Original languageEnglish
Pages (from-to)37-44
Number of pages8
JournalKorean Journal of Chemical Engineering
Volume27
Issue number1
DOIs
Publication statusPublished - 2010 Jan 1

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Crystallization kinetics
Frequency response
Crystallization

Keywords

  • Draw Resonance
  • Fiber Spinning
  • Flow-induced Crystallization
  • Frequency Response Method
  • Necklike Deformation
  • Sensitivity

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Sensitivity of spinning process with flow-induced crystallization kinetics using frequency response method. / Yun, Jang H.; Shin, Dong Myeong; Lee, Joo Sung; Jung, Hyun Wook; Hyun, Jae Chun.

In: Korean Journal of Chemical Engineering, Vol. 27, No. 1, 01.01.2010, p. 37-44.

Research output: Contribution to journalArticle

Yun, Jang H. ; Shin, Dong Myeong ; Lee, Joo Sung ; Jung, Hyun Wook ; Hyun, Jae Chun. / Sensitivity of spinning process with flow-induced crystallization kinetics using frequency response method. In: Korean Journal of Chemical Engineering. 2010 ; Vol. 27, No. 1. pp. 37-44.
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