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Physics of Fluids / Volume 13 / Issue 8 / ARTICLES

Phys. Fluids 13, 2221 (2001); http://dx.doi.org/10.1063/1.1384013 (16 pages)

Electrospinning and electrically forced jets. II. Applications

Moses M. Hohman1, Michael Shin2, Gregory Rutledge3, and Michael P. Brenner4

1The James Franck Institute, University of Chicago, Chicago, Illinois 60637
2Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
3Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
4Department of Mathematics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

(Received 15 February 2000; accepted 10 May 2001)

Electrospinning is a process in which solid fibers are produced from a polymeric fluid stream (solution or melt) delivered through a millimeter-scale nozzle. This article uses the stability theory described in the previous article to develop a quantitative method for predicting when electrospinning occurs. First a method for calculating the shape and charge density of a steady jet as it thins from the nozzle is presented and is shown to capture quantitative features of the experiments. Then, this information is combined with the stability analysis to predict scaling laws for the jet behavior and to produce operating diagrams for when electrospinning occurs, both as a function of experimental parameters. Predictions for how the regime of electrospinning changes as a function of the fluid conductivity and viscosity are presented. © 2001 American Institute of Physics.

© 2001 American Institute of Physics

EDITORIALLY RELATED

  1. Electrospinning and electrically forced jets. I. Stability theory
    Moses M. Hohman et al.
    Phys. Fluids 13, 2201 (2001)PHFLE6000013000008002201000001

RELATED DATABASES

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KEYWORDS and PACS

Keywords

electrohydrodynamics, polymer fibres, polymer solutions, polymer melts, nozzles, viscosity, flow instability

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.1384013

PUBLICATION DATA

ISSN

1070-6631 (print)  
1089-7666 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    M. Hohman, M. Shin, G. C. Rutledge, and M. P. Brenner, "Electrospinning and electrically forced jets. I. Stability theory," Phys. Fluids 13, 2201 (2001)PHFLE6000013000008002201000001.

    D. A. Saville, "Stability of electrically charged viscous cylinders," Phys. Fluids 14, 1095 (1971)PFLDAS000014000006001095000001.

    D. A. Saville, "Electrohydrodynamic stability: fluid cylinders in longitudinal electric fields," Phys. Fluids 13, 2987 (1970)PFLDAS000013000012002987000001.

    M. Shin, M. M. Hohman, M. P. Brenner, and G. C. Rutledge, "Electrospinning: a whipping fluid jet generates submicron polymer fibers," Appl. Phys. Lett. 78, 1149 (2001)APPLAB000078000008001149000001.

    A. M. Ganan-Calvo, "Cone-jet analytical extension of Taylor's electrostatic solution and the asymptotic universal scaling laws in electrospraying," Phys. Rev. Lett. 79, 217 (1997).

    V. N. Kirichenko, I. V. Petryanov-Sokolov, N. N. Suprun, and A. A. Shutov, "Asymptotic radius of a slightly conducting liquid jet in an electric field," Sov. Phys. Dokl. 31, 611 (1986).


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