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Evaluation of planar and uniaxial extensional viscosities for different polyolefins
for planar and uniaxial extensional viscosity measurements by using standard twin bore extensional viscosity within wide range of temperatures. It has been found that predictingcapability of the tested co...
BK - Mechanika tekutin
- 2013 •
- O
Rok uplatnění
O - Ostatní výsledky
Planar extensional viscosity measurements for LDPE polymer melt by using novel orifice die design and Cogswell model
proposed and tested for planar extensional viscosity measurements of extrusion coating uniaxial extensional viscosity data and different strain hardening level in both viscosities has been identi...
CD - Makromolekulární chemie
- 2011 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Measurement and modeling of planar and uniaxial extensional viscosities for LDPE polymer melt
been used in order to determine planar and uniaxial extensional viscosities bore capillary rheometr. It has been revealed that the uniaxial extensional viscosity/uniaxial extensional strain harde...
CD - Makromolekulární chemie
- 2012 •
- D
Rok uplatnění
D - Stať ve sborníku
Measurements and modeling of temperature-strain rate dependent uniaxial and planar extensional viscosities for branched LDPE polymer melt
hardening occurrence in both uniaxial and planar extensional viscosities and its maximum to be higher in comparison with the planar extensional viscosity within wide range utilized for temperatur...
CD - Makromolekulární chemie
- 2016 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Evaluation of Planar and Uniaxial Extensional Viscosities for Linear and Branched Polyolefins
In this work, planar and uniaxial extensional viscosities for linear and branched polyolefins has been determined through entrance pressure drop technique on conventional twin bore capillary rheometer by using novel circula...
CD - Makromolekulární chemie
- 2014 •
- D
Rok uplatnění
D - Stať ve sborníku
On the role of extensional rheology and Deborah number on the neck-in phenomenon during flat film casting
In this work, viscoelastic, isothermal extrusion film casting simulations have been performed utilizing a 1D membrane model and the viscoelastic modified Leonov model as the constitutive equation in order to elucidate the role of planar to u...
Polymer science
- 2017 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Novel non-Newtonian fluid model for polymer melts
provides correct behavior in steady shear and uniaxial/planar/equibiaxial extensional viscosities for polymer melts.In this work, novel generalized Newtonian law (in which viscosity is given by the specific functi...
CD - Makromolekulární chemie
- 2011 •
- D
Rok uplatnění
D - Stať ve sborníku
A simple phenomenological non-Newtonian fluid model
with the strain rate dependent steady shear and uniaxial extensional viscosities for linear and equibiaxial extensional viscosities and allows their independent strain hardening level control with respect to uniax...
CD - Makromolekulární chemie
- 2010 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Effect of die exit stress state, Deborah number and extensional rheology on neck-in phenomenon
In this work, effect of the second to first normal stress difference ratio at the die exit, uniaxial extensional strain hardening, planar-to-uniaxial extensional viscosity ratio and Deborah number has been investig...
Polymer science
- 2018 •
- D
Rok uplatnění
D - Stať ve sborníku
Measurement and modeling of uniaxial and planar extensional viscosities for various polymer melts in very fast flows
have been utilized for temperature-strain rate dependent planar and uniaxial extensional viscosity measurements for various polymer melts by using Cogswell and Gibson-rate limiting value of uniaxial extensional
Polymer science
- 2022 •
- O
Rok uplatnění
O - Ostatní výsledky
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