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Role of Nonmonotonic Constitutive Curves in Extrusion Instabilities
Joint Authors
Cao, Yu
Guo, Xiao-Wei
Xu, Xin-Hai
Yang, Xue-Jun
Yang, Wen-Jing
Chen, Juan
Yuan, Xue-Feng
Source
International Journal of Polymer Science
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-12-30
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
Flow instabilities of non-Newtonian fluids severely hamper the quality of products during various chemical processes, such as fibre spinning, extrusion, and film blowing.
The origin of extrusion instability has been studied over many decades.
However, no consensus has been reached among the research community so far.
In this paper, the possible cause of extrusion instabilities is explored using the finitely extensible nonlinear elastic conformation-dependent (FENE-CD) model with a nonmonotonic constitutive curve.
Many well-documented experimental phenomena are reproduced in our simulations, and it could be concluded that the nonmonotonic constitutive curve plays an essential role in extrusion instabilities.
In addition, the results imply that the die exit singularity may generate or magnify oscillations.
American Psychological Association (APA)
Cao, Yu& Yang, Wen-Jing& Guo, Xiao-Wei& Xu, Xin-Hai& Chen, Juan& Yang, Xue-Jun…[et al.]. 2015. Role of Nonmonotonic Constitutive Curves in Extrusion Instabilities. International Journal of Polymer Science،Vol. 2015, no. 2015, pp.1-8.
https://search.emarefa.net/detail/BIM-1066751
Modern Language Association (MLA)
Cao, Yu…[et al.]. Role of Nonmonotonic Constitutive Curves in Extrusion Instabilities. International Journal of Polymer Science No. 2015 (2015), pp.1-8.
https://search.emarefa.net/detail/BIM-1066751
American Medical Association (AMA)
Cao, Yu& Yang, Wen-Jing& Guo, Xiao-Wei& Xu, Xin-Hai& Chen, Juan& Yang, Xue-Jun…[et al.]. Role of Nonmonotonic Constitutive Curves in Extrusion Instabilities. International Journal of Polymer Science. 2015. Vol. 2015, no. 2015, pp.1-8.
https://search.emarefa.net/detail/BIM-1066751
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1066751