Retrieving Equivalent Shear Viscosity for Molten Polymers from 3-D Nonisothermal Capillary Flow Simulation

For highly viscous polymer melts, considerable fluid temperature rises produced by viscous heating can be a disturbing factor in viscosity measurements. By scrutinizing the experimental and simulated capillary pressure losses for polymeric liquids, we demonstrate the importance of applying a viscous...

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Veröffentlicht in:	Polymers 2021-11, Vol.13 (23), p.4094
Hauptverfasser:	Wen, Yu-Ho, Wang, Chen-Chieh, Cyue, Guo-Sian, Kuo, Rong-Hao, Hsu, Chia-Hsiang, Chang, Rong-Yeu
Format:	Artikel
Sprache:	eng
Schlagworte:	Capillary flow Capillary pressure Equivalence Flow simulation Heat conductivity Heating Melts (crystal growth) Methods Polyethylene Polymer melts Polymers Pressure drop Pressure loss Rheology Rheometry Shear viscosity Simulation Temperature Three dimensional flow Viscosity Viscosity measurement
Online-Zugang:	Volltext
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