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Effect of charge density on the Taylor cone in electrospinning
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Stranger, Jonathan, Staiger, Mark P., Tucker, Nick, Coles, Stuart R., Jacobs, Daniel K. and Kirwan, Kerry (2009) Effect of charge density on the Taylor cone in electrospinning. Solid State Phenomena, Vol.151 . pp. 54-59. doi:10.4028/www.scientific.net/SSP.151.54 ISSN 1662-9779.
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Official URL: http://dx.doi.org/10.4028/www.scientific.net/SSP.1...
Abstract
A detailed understanding of charge density and its origins during the electrospinning process is desirable for developing new electrospinnable polymer-solvent systems and ensuring mathematical models of the process are accurate. In this work, two different approaches were taken to alter the charge density in order to measure its effect on the Taylor cone, mass deposition rate and initial jet diameter. It was found that an increase in charge density results in a decrease in the mass deposition rate and initial jet diameter. A theory is proposed for this behaviour in that an increase in charge density leads to the tip of the Taylor cone forming a smaller radius of curvature resulting in the concentration of electric stresses at the tip. This leads to the electrostatic forces drawing the initial jet from a smaller effective area or “virtual orifice”.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | Solid State Phenomena | ||||
Publisher: | Scitec Publications Ltd. | ||||
ISSN: | 1662-9779 | ||||
Official Date: | 2009 | ||||
Dates: |
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Volume: | Vol.151 | ||||
Number of Pages: | 6 | ||||
Page Range: | pp. 54-59 | ||||
DOI: | 10.4028/www.scientific.net/SSP.151.54 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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