About: Imaging and analysis of wave type interfacial instability in the coextrusion of low-density polyethylene melts

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About: Imaging and analysis of wave type interfacial instability in the coextrusion of low-density polyethylene melts Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This report covers experimental studies and numerical modelling of interfacial instability in the bi-layer coextrusion flow of two low-density polyethylene melts. Melt streams are converged at an angle of 30 to a common die land. Melt stream confluence was observed in two coextrusion die arrangements. In one die design, which we term 'bifurcated' the melt stream is split by a divider plate in the die after being delivered from a single extruder. In the other design melt streams are delivered to a die from two separate extruders. In each die design melt flow in the confluent region and die land to the die exit was observed through side windows of a visualization cell. Velocity ratios of the two melt streams were varied and layer thickness ratios producing wave type interfacial instability determined for each melt for a variety of flow conditions. Stress and velocity fields in the coextrusion arrangements were quantified using stress birefringence and particle image velocimetry techniques. Wa This report covers experimental studies and numerical modelling of interfacial instability in the bi-layer coextrusion flow of two low-density polyethylene melts. Melt streams are converged at an angle of 30 to a common die land. Melt stream confluence was observed in two coextrusion die arrangements. In one die design, which we term 'bifurcated' the melt stream is split by a divider plate in the die after being delivered from a single extruder. In the other design melt streams are delivered to a die from two separate extruders. In each die design melt flow in the confluent region and die land to the die exit was observed through side windows of a visualization cell. Velocity ratios of the two melt streams were varied and layer thickness ratios producing wave type interfacial instability determined for each melt for a variety of flow conditions. Stress and velocity fields in the coextrusion arrangements were quantified using stress birefringence and particle image velocimetry techniques. Wa (en)
Title	Imaging and analysis of wave type interfacial instability in the coextrusion of low-density polyethylene melts Imaging and analysis of wave type interfacial instability in the coextrusion of low-density polyethylene melts (en)
skos:prefLabel	Imaging and analysis of wave type interfacial instability in the coextrusion of low-density polyethylene melts Imaging and analysis of wave type interfacial instability in the coextrusion of low-density polyethylene melts (en)
skos:notation	RIV/70883521:28110/09:63508107!RIV10-MSM-28110___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/06/1033), Z(MSM7088352101)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Zatloukal, Martin
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	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	318528
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/09:63508107
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Coextrusion; Flow visualization; Interfacial instabilities (en)
http://linked.open.../riv/klicoveSlovo	Interfacial instabilities Coextrusion Flow visualization
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[5F552C212C82]
http://linked.open...i/riv/nazevZdroje	Journal of Non-Newtonian Fluid Mechanics
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Investigation of unusual flow phenomena of non-Newtonian fluids in complex geometries
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	156
http://linked.open...iv/tvurceVysledku	Zatloukal, Martin Martyn, Mike Coates, Phil Spares, Rob
http://linked.open...n/vavai/riv/zamer	Multifunctional Composite Systems Based on Natural and Synthetic Polymers
issn	0377-0257
number of pages	15 (xsd:int)
http://localhost/t...ganizacniJednotka	28110

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