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Experimental study of nanofiber production through forcespinning
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10.1063/1.4769886
/content/aip/journal/jap/113/2/10.1063/1.4769886
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/2/10.1063/1.4769886

Figures

Image of FIG. 1.
FIG. 1.

High speed photography setup: (a) high speed camera, (b) spinneret, (c) lamp, (d) collector.

Image of FIG. 2.
FIG. 2.

(a) Evolution of jet at orifice for fiber production through forcespinning as it accelerates to 4500 rpm, (b) jet shape at different angular velocities.

Image of FIG. 3.
FIG. 3.

Initial forces on material: (a) forces within spinneret, (b) forces on the pendant drop.

Image of FIG. 4.
FIG. 4.

Fiber produced through forcespinning: (a) angled view (b) time-lapse top view.

Image of FIG. 5.
FIG. 5.

Fiber trajectory of 8 wt. % PEO solution spun at 4000 rpm.

Image of FIG. 6.
FIG. 6.

Forces experienced by the fiber during travel.

Image of FIG. 7.
FIG. 7.

Aerodynamic disturbance experienced by the fiber in successive 928 μs intervals.

Image of FIG. 8.
FIG. 8.

Forcespinning fiber extension process: ① jet exit, ② orbital trajectory, ③ fiber vibration from aerodynamic disturbance, ④ orbital expansion, ⑤ fiber collection method.

Image of FIG. 9.
FIG. 9.

Fiber trajectories with varying angular velocities.

Image of FIG. 10.
FIG. 10.

Fiber trajectories with varying viscosities.

Image of FIG. 11.
FIG. 11.

Formation of various orifice exit angles (a) curved opposite of rotation 89°, (b) curved opposite of rotation 30°, (c) curved direction of rotation 30°, (d) curved direction of rotation 89°, (e) straight needle.

Image of FIG. 12.
FIG. 12.

Initial fiber trajectories with varying orifice exit angles.

Image of FIG. 13.
FIG. 13.

Fiber trajectories with varying aspect ratios.

Image of FIG. 14.
FIG. 14.

Fiber trajectories with varying fluid fill.

Image of FIG. 15.
FIG. 15.

Variance of fiber trajectories under the same conditions.

Tables

Generic image for table
Table I.

Fiber diameters at varying angular velocities using 6 wt. % PEO.

Generic image for table
Table II.

Fiber diameters at varying material concentrations forcespun at 6000 rpm.

Generic image for table
Table III.

Fiber diameters at varying orifice orientations using 6 wt. % PEO, forcespun at 6000 rpm.

Generic image for table
Table IV.

Fiber diameters at varying aspect ratios using 6 wt. % PEO, forcespun at 6000 rpm.

Generic image for table
Table V.

Fiber diameters with varying fluid fill using 6 wt. % PEO, forcespun at 6000 rpm.

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/content/aip/journal/jap/113/2/10.1063/1.4769886
2013-01-11
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental study of nanofiber production through forcespinning
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/2/10.1063/1.4769886
10.1063/1.4769886
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