About: Needleless Electrospinning Relaxation time of the aqueous solutions of poly (vinyl alcohol)

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About: Needleless Electrospinning Relaxation time of the aqueous solutions of poly (vinyl alcohol) Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.revmaterialeplastice.ro/pdf/DELIU%20R.pdf%201%2014.pdf
Description	Relaxation time reflects dynamic phenomena in the early stages of electrospinning after an abrupt application of an external electric field. Experimental counterpart of relaxation times, i.e., characteristic hydrodynamic times, have been measured using a laboratory device designed especially for this kind of experiments. The experiments supporting the hypothesis are carried out with aqueous solutions of poly (vinyl alcohol) of various concentrations. Experimental data are compared with theoretical predictions of relaxation times aiming to a deeper analysis of dynamic phenomena during the earliest stages of electrospinning. Qualitative and quantitative comparison of theoretical and experimental relaxation times determined that characteristic hydrodynamic times are encouraging. Moreover, the experimental apparatus for characteristic hydrodynamic time investigation revealed regular discharges in a spinning zone of the electro-spinner that imminently precede electrospinning jet appearance. Results of the work contribute to a deeper understanding of a spin-ability of polymeric solutions using electrospinning and are an inspiration for new electrospinning variants. Relaxation time reflects dynamic phenomena in the early stages of electrospinning after an abrupt application of an external electric field. Experimental counterpart of relaxation times, i.e., characteristic hydrodynamic times, have been measured using a laboratory device designed especially for this kind of experiments. The experiments supporting the hypothesis are carried out with aqueous solutions of poly (vinyl alcohol) of various concentrations. Experimental data are compared with theoretical predictions of relaxation times aiming to a deeper analysis of dynamic phenomena during the earliest stages of electrospinning. Qualitative and quantitative comparison of theoretical and experimental relaxation times determined that characteristic hydrodynamic times are encouraging. Moreover, the experimental apparatus for characteristic hydrodynamic time investigation revealed regular discharges in a spinning zone of the electro-spinner that imminently precede electrospinning jet appearance. Results of the work contribute to a deeper understanding of a spin-ability of polymeric solutions using electrospinning and are an inspiration for new electrospinning variants. (en)
Title	Needleless Electrospinning Relaxation time of the aqueous solutions of poly (vinyl alcohol) Needleless Electrospinning Relaxation time of the aqueous solutions of poly (vinyl alcohol) (en)
skos:prefLabel	Needleless Electrospinning Relaxation time of the aqueous solutions of poly (vinyl alcohol) Needleless Electrospinning Relaxation time of the aqueous solutions of poly (vinyl alcohol) (en)
skos:notation	RIV/46747885:24410/14:#0003966!RIV15-MSM-24410___
http://linked.open...avai/riv/aktivita	V
http://linked.open...avai/riv/aktivity	V
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Lukáš, David
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta textilní
http://linked.open...dnocenehoVysledku	31938
http://linked.open...ai/riv/idVysledku	RIV/46747885:24410/14:#0003966
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nano fibers; needleless electrospinning on the rod; polyvinyl alcohol aqueous solutions; rod; relaxation time (en)
http://linked.open.../riv/klicoveSlovo	relaxation time rod nano fibers needleless electrospinning on the rod polyvinyl alcohol aqueous solutions
http://linked.open...odStatuVydavatele	RO - Rumunsko
http://linked.open...ontrolniKodProRIV	[F2DB34DF331C]
http://linked.open...i/riv/nazevZdroje	MATERIALE PLASTICE
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	51
http://linked.open...iv/tvurceVysledku	Lukáš, David Butnaru, R. Deliu, R. Sandu, I. Sandu, I. G.
http://linked.open...ain/vavai/riv/wos	000333795300013
issn	0025-5289
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	24410

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