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Meltblowing: II-linear and nonlinear waves on viscoelastic polymer jets

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Title: Meltblowing: II-linear and nonlinear waves on viscoelastic polymer jets
Author(s): Yarin, Alexander L.; Sinha-Ray, S.; Pourdeyhimi, B.
Subject(s): electrophoresis viscoelastic
Abstract: The work is devoted to the theory of meltblown polymer jets. Polymer jets are experiencing strong stretching and flapping being subjected to the pulling action of a high speed surrounding axisymmetric gas jet. The bending perturbations of polymer melt jets are triggered by the surrounding turbulent eddies and enhanced by the distributed lift force acting on the jets. We study first growth of small perturbations in the framework of the linear stability theory. Then, the fully nonlinear case of large-amplitude planar bending perturbations of polymer jet is solved numerically. Both isothermal and nonisothermal cases are considered. The cooling of the surrounding gas jet results in cooling of the polymer jet inside, and to the arrest of the bending perturbation growth due to melt solidification. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3457893]
Issue Date: 2010-08-01
Publisher: American Institute of Physics
Citation Info: Yarin, A. L., Sinha-Ray, S., & Pourdeyhimi, B. 2010. Meltblowing: II-linear and nonlinear waves on viscoelastic polymer jets. Journal of Applied Physics, 108(3). DOI: 10.1063/1.3457893
Type: Article
Description: The original source for this publication is at American Institute of Physics [http://jap.aip.org/]; DOI: 10.1063/1.3457893. © 2010 American Institute of Physics.
URI: http://hdl.handle.net/10027/7664
ISSN: 0021-8979
Sponsor: The current work is supported by the Nonwovens Cooperative Research Center (NCRC).
Date Available in INDIGO: 2011-05-25
 

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