Numerical study on fiber suspensions in non-isothermal viscoelastic media

Purpose - The purpose of this paper is to examine the macroscopic and microscopic fields of fiber suspensions in the non-isothermal situations, also to examine the effect of fiber on this non-isothermal system.Design methodology approach - Control equations are coupled and simultaneously solved by c...

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Bibliographic Details
Published in:International journal of numerical methods for heat & fluid flow 2013-01, Vol.23 (3), p.460-478
Main Authors: Ruan, Chunlei, Ouyang, Jie, Zhang, Hongping
Format: Article
Language:English
Subjects:
Approximation
Computational fluid dynamics
Design engineering
Fibers
Finite volume method
Fluid dynamics
Fluid flow
Fluids
Injection molding
Mathematical analysis
Polymers
Studies
Temperature dependence
Temperature effects
Velocity
Viscoelasticity
Viscosity
Wall temperature
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Summary:Purpose - The purpose of this paper is to examine the macroscopic and microscopic fields of fiber suspensions in the non-isothermal situations, also to examine the effect of fiber on this non-isothermal system.Design methodology approach - Control equations are coupled and simultaneously solved by collocated finite volume method on fully triangular meshes.Findings - Temperature dependence and wall temperature have significant effect on both macroscopic and microscopic fields of fiber suspensions. Moreover, the influence of fiber on the non-isothermal system is similar to that of the isothermal system.Originality value - This is the first time that the microstructures of both molecules and fibers are presented in the non-isothermal condition and it is hoped that the results will provide more insight into the microscopics of complex flows.
ISSN:0961-5539
1758-6585
DOI:10.1108/09615531311301254