Determination of draw resonance onsets in tension-controlled viscoelastic spinning process using transient frequency response method

Ilyoung Kwon, Myung Suk Chun, Hyun Wook Jung, Jae Chun Hyun

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Draw resonance onsets of actual viscoelastic spinning processes with secondary forces operated by constant draw ratio are determined via transient frequency response simulations under a constant tension or force boundary condition, which causes the system to be always stable. Transfer function data between the spinline velocity and the tension at the take-up position in the frequency domain, which are transformed from the transient responses of the take-up velocity with respect to a step change of the take-up force, play a key role in the determination of the onset points for various spinning cases. It is confirmed that the critical draw ratios established in this study are almost the same as those decided by linear stability or direct transient simulation methods for velocity-controlled spinning systems. The transfer function data for the stability analysis can be readily and beneficially applied to an analysis of sensitivity of a spinning process with respect to a sinusoidal disturbance.

Original languageEnglish
Pages (from-to)31-37
Number of pages7
JournalJournal of Non-Newtonian Fluid Mechanics
Volume228
DOIs
Publication statusPublished - 2016 Feb 1

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Transient Response
transient response
Frequency Response
metal spinning
frequency response
Frequency response
Transfer Function
Transfer functions
transfer functions
Linear Stability
Transient analysis
Simulation Methods
Frequency Domain
Stability Analysis
Disturbance
Boundary conditions
disturbances
simulation
boundary conditions
causes

Keywords

  • Constant-tension condition
  • Critical onsets
  • Draw resonance instability
  • Frequency response
  • Viscoelastic spinning

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Chemical Engineering(all)
  • Materials Science(all)
  • Applied Mathematics

Cite this

Determination of draw resonance onsets in tension-controlled viscoelastic spinning process using transient frequency response method. / Kwon, Ilyoung; Chun, Myung Suk; Jung, Hyun Wook; Hyun, Jae Chun.

In: Journal of Non-Newtonian Fluid Mechanics, Vol. 228, 01.02.2016, p. 31-37.

Research output: Contribution to journalArticle

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AU - Kwon, Ilyoung

AU - Chun, Myung Suk

AU - Jung, Hyun Wook

AU - Hyun, Jae Chun

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N2 - Draw resonance onsets of actual viscoelastic spinning processes with secondary forces operated by constant draw ratio are determined via transient frequency response simulations under a constant tension or force boundary condition, which causes the system to be always stable. Transfer function data between the spinline velocity and the tension at the take-up position in the frequency domain, which are transformed from the transient responses of the take-up velocity with respect to a step change of the take-up force, play a key role in the determination of the onset points for various spinning cases. It is confirmed that the critical draw ratios established in this study are almost the same as those decided by linear stability or direct transient simulation methods for velocity-controlled spinning systems. The transfer function data for the stability analysis can be readily and beneficially applied to an analysis of sensitivity of a spinning process with respect to a sinusoidal disturbance.

AB - Draw resonance onsets of actual viscoelastic spinning processes with secondary forces operated by constant draw ratio are determined via transient frequency response simulations under a constant tension or force boundary condition, which causes the system to be always stable. Transfer function data between the spinline velocity and the tension at the take-up position in the frequency domain, which are transformed from the transient responses of the take-up velocity with respect to a step change of the take-up force, play a key role in the determination of the onset points for various spinning cases. It is confirmed that the critical draw ratios established in this study are almost the same as those decided by linear stability or direct transient simulation methods for velocity-controlled spinning systems. The transfer function data for the stability analysis can be readily and beneficially applied to an analysis of sensitivity of a spinning process with respect to a sinusoidal disturbance.

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KW - Critical onsets

KW - Draw resonance instability

KW - Frequency response

KW - Viscoelastic spinning

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