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Three-Dimensional Model for Electrospinning Processes in Controlled Gas Counterflow.

Marco Lauricella1, Dario Pisignano2,3, Sauro Succi1,4

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The Journal of Physical Chemistry. A
|February 10, 2016
PubMed
Summary
This summary is machine-generated.

Controlled gas flow in electrospinning reduces fiber diameter and improves product quality by modeling air drag effects. This research offers insights for future electrospinning experiments and polymer nanofiber material design.

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Fluid Dynamics

Background:

  • Electrospinning is a key technique for producing polymer nanofibers.
  • Controlling fiber diameter and quality is crucial for material applications.
  • Understanding the influence of external forces on jet dynamics is essential.

Purpose of the Study:

  • To investigate the effects of controlled gas flow on electrified jet dynamics during electrospinning.
  • To model air drag forces using a nonlinear Langevin-like approach.
  • To analyze how gas counterflow impacts fiber diameter, jet instabilities, and angular fluctuations.

Main Methods:

  • Development of a nonlinear Langevin-like model to simulate air drag effects.
  • Investigation of electrified polymer jet dynamics under varying air drag conditions.
  • Analysis of bending instabilities and angular fluctuations of the jet.

Main Results:

  • A controlled gas counterflow can decrease the average diameter of electrospun fibers.
  • The gas flow potentially improves the quality of electrospun products.
  • Air drag effects significantly influence jet bending instabilities and angular fluctuations.

Conclusions:

  • Controlled gas flow is a viable method to optimize electrospinning parameters.
  • The developed model provides valuable insights for designing electrospinning processes.
  • This study contributes to the advancement of polymer nanofiber material production.