Characterizing the Dynamic Behavior of Staple Length-Distributed Slivers in Roller Drafting 


Vol. 19,  No. 1, pp. 219-229, Jan.  2018
10.1007/s12221-018-7821-4


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  Abstract

Roller drafting is often accompanied by an irregularity in the linear density of slivers. In this research, the issue of sliver irregularity was investigated by simulating the dynamic behavior of slivers in the roller draft zone based on an improved mathematical model describing the movement of slivers with a staple-length distribution. The linear density and velocity of slivers in the draft zone were considered coupled variables. Simulations under certain constraints in the parameters, changing only the sliver viscosity, revealed that the sliver linear density can fluctuate during steady state (the socalled draft wave) in a certain range of sliver viscosity, and those fluctuations can be decomposed into several mode frequencies. However, the draft wave did not appear when slivers with low viscosity were used, suggesting that good open slivers composed of low surfacefriction staples can yield to a good drafted sliver without draft waves.

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  Cite this article

[IEEE Style]

J. H. Lim, J. S. Kim, Y. Huh, "Characterizing the Dynamic Behavior of Staple Length-Distributed Slivers in Roller Drafting," Fibers and Polymers, vol. 19, no. 1, pp. 219-229, 2018. DOI: 10.1007/s12221-018-7821-4.

[ACM Style]

Jung Ho Lim, Jong Sung Kim, and You Huh. 2018. Characterizing the Dynamic Behavior of Staple Length-Distributed Slivers in Roller Drafting. Fibers and Polymers, 19, 1, (2018), 219-229. DOI: 10.1007/s12221-018-7821-4.

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pISSN : 1229 - 9197
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