Numerical Simulation of the Non-isothermal Viscoelastic Flow Past a Confined Cylinder

阮春蕾; 欧阳洁

doi:10.1016/S1004-9541(08)60340-7

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Numerical Simulation of the Non-isothermal Viscoelastic Flow Past a Confined Cylinder

Updated：2026-01-06

- Numerical Simulation of the Non-isothermal Viscoelastic Flow Past a Confined Cylinder
- Chinese Journal of Chemical Engineering Vol. 18, Issue 2, Pages: 177-184(2010)
- Affiliations：
  
  Department of Applied Mathematics, Northwestern Polytechnical University,Xi'an,China,710129
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60340-7
  CLC：
- Published：2010
- Accepted：
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RUAN Chunlei, OUYANG Jie. Numerical Simulation of the Non-isothermal Viscoelastic Flow Past a Confined Cylinder[J]. , 2010, 18(2): 177-184.
DOI：

RUAN Chunlei, OUYANG Jie. Numerical Simulation of the Non-isothermal Viscoelastic Flow Past a Confined Cylinder[J]. , 2010, 18(2): 177-184. DOI： 10.1016/S1004-9541(08)60340-7.

摘要

Abstract

A collocated finite volume method on unstructured meshes is introduced to simulate the viscoelastic flow of the polymer melt with viscous dissipation past a confined cylinder.The constitutive equation for the simulations is non-isothermal FENE-P model

which is derived from the molecular theories.The temperature effect on the macroscopic fields(

e.g

velocity

stress) and microscopic fields(

e.g

molecular orientation

deformation

stretch) is investigated by comparison of isothermal and non-isothermal situations.This investigation indicates that temperature rise caused by viscous dissipation should not be neglected since it has significant effect on the macroscopic and microscopic properties of the polymer melt.

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