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Description
  • V této práci byly testovány jak popisné tak prediktivní schopnosti tří modelů (XPP, PTT-XPP, modifikovaný Leonovův model) pro ustálené a přechodové smykové/elongační toky mLLDPE a HDPE. Vlastnosti a chování těchto modelů byly studovány především z pohledu možné aplikace pro popis vícevrstevných toků. V poslední části práce bylo studováno napěťově pole v koextruzní tokové doméně, a to na základě metody konečných prvků, modifikovaného Leonovova modelu a experimentálních dat z koextruzní vizualizační cely. (cs)
  • The fitting/predictive capabilities of three models (eXtended Pom-Pom, PTT-XPP and modified Leonov model) are tested for both, steady as well as transient shear and uniaxial extensional flows of mLLDPE and HDPE. The applicability of these constitutive equations has been investigated from the coextrusion flow modeling point of view. Finally, the FEM and modified Leonov model has been employed for the stress analysis in the coextrusion flow domain and predicted stress fields have been compared with the stress measurements from the flow coextrusion visualization cell.
  • The fitting/predictive capabilities of three models (eXtended Pom-Pom, PTT-XPP and modified Leonov model) are tested for both, steady as well as transient shear and uniaxial extensional flows of mLLDPE and HDPE. The applicability of these constitutive equations has been investigated from the coextrusion flow modeling point of view. Finally, the FEM and modified Leonov model has been employed for the stress analysis in the coextrusion flow domain and predicted stress fields have been compared with the stress measurements from the flow coextrusion visualization cell. (en)
Title
  • Applicatibility of advanced constitutive eqations for extrusion flows of polyolefin melts
  • Applicatibility of advanced constitutive eqations for extrusion flows of polyolefin melts (en)
  • Aplikovatelnost pokročilých konstitutivních rovnic pro vícevrstevné vytlačování polyolefinů (cs)
skos:prefLabel
  • Applicatibility of advanced constitutive eqations for extrusion flows of polyolefin melts
  • Applicatibility of advanced constitutive eqations for extrusion flows of polyolefin melts (en)
  • Aplikovatelnost pokročilých konstitutivních rovnic pro vícevrstevné vytlačování polyolefinů (cs)
skos:notation
  • RIV/70883521:28110/07:63505473!RIV08-GA0-28110___
http://linked.open.../vavai/riv/strany
  • 1945-1949
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA103/06/1033)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 410404
http://linked.open...ai/riv/idVysledku
  • RIV/70883521:28110/07:63505473
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • coextrusion; stress field; multilayer film; constitutive equations for polymer melts (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [B6737D482287]
http://linked.open...i/riv/mistoVydani
  • Brookfield
http://linked.open...i/riv/nazevZdroje
  • ANTEC 2007
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Filip, Petr
  • Zatloukal, Martin
  • Martyn, Mike
  • Pivokonský, Radek
number of pages
http://purl.org/ne...btex#hasPublisher
  • Society of Plastics Engineers
https://schema.org/isbn
  • 0-9753707-5-8
http://localhost/t...ganizacniJednotka
  • 28110
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