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Effect of charge density on the Taylor cone in electrospinning
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Stanger, Jonathan, Tucker, Nick, Kirwan, Kerry and Staiger, Mark P. (2009) Effect of charge density on the Taylor cone in electrospinning. In: 5th International Conference on Advanced Materials and Processing, Harbin, China, 2-5 Sep 2008. Published in: International Journal of Modern Physics B, Vol.23 (No.6-7). pp. 1956-1961.
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Official URL: http://dx.doi.org/10.1142/S0217979209061895
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: | Conference Item (Poster) |
|---|---|
| Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) |
| Journal or Publication Title: | International Journal of Modern Physics B |
| Publisher: | World Scientific Publishing Co. Pte. Ltd. |
| ISSN: | 0217-9792 |
| Date: | 20 March 2009 |
| Volume: | Vol.23 |
| Number: | No.6-7 |
| Number of Pages: | 6 |
| Page Range: | pp. 1956-1961 |
| Identification Number: | 10.1142/S0217979209061895 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Conference Paper Type: | Poster |
| Title of Event: | 5th International Conference on Advanced Materials and Processing |
| Type of Event: | Conference |
| Location of Event: | Harbin, China |
| Date(s) of Event: | 2-5 Sep 2008 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/27937 |
Data sourced from Thomson Reuters' Web of Knowledge
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