Internal Viscosity Effects on Transient Elongational Behavior of Dilute Polymer Solutions (Elastic dumbbell model)
作者:
D. Acierno,
G. Titomanlio,
G. Marrucci,
期刊:
Transactions of the Society of Rheology
(AIP Available online 1972)
卷期:
Volume 16,
issue 4
页码: 651-667
ISSN:0148-6055
年代: 1972
DOI:10.1122/1.549268
出版商: The Society of Rheology
数据来源: AIP
摘要:
The transient elongational viscosity of dumbbell suspensions is calculated accounting for the effect of an internal viscosity in the dumbbell. The calculations are relative to conditions of sufficiently large stretching rates for the effect of Brownian motions to be neglibible. Large extensions of the dumbbell are considered and the resulting nonlinear elastic behavior is accounted for. Both numerical and approximate analytical solutions are provided.
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