## Abstract A spherically collapsing gas bubble will create a uniaxial extension of the fluid surrounding it. This flow may be readily analyzed, and it is possible to relate observed experimental parameters such as the pressure inside the bubble and the bubble collapse rate to the predictions of vi
Elongational flow behavior of viscoelastic liquids: Modelling bubble dynamics with viscoelastic constitutive relations
โ Scribed by G. Pearson; S. Middleman
- Publisher
- Springer-Verlag
- Year
- 1978
- Tongue
- English
- Weight
- 845 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0035-4511
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Behavior of polymer melts in biaxial as well as uniaxial elongational flow is studied based on the predictions of three constitutive models (Leonov, Giesekus, and Larson) with single relaxation mode. Transient elongational viscosities in both flows are calculated for three constitutive models, and s
Flow-induced structural anisotropy could result when a complex fluid system is removed from equilibrium by means of hydrodynamic forces. In this paper, a general theory is developed to model flow-induced anisotropic behavior of complex viscoelastic systems such as polymer solutions/melts and suspens