SIMULATION OF VORTEX GROWTH IN PLANAR ENTRY FLOW OF A VISCOELASTIC FLUID

被引：7

作者：

MITSOULIS, E

VLACHOPOULOS, J

MIRZA, FA

机构：

[1] MCMASTER UNIV,DEPT CHEM ENGN,HAMILTON L8S 4L7,ONTARIO,CANADA

[2] MCMASTER UNIV,DEPT CIVIL ENGN & ENGN MECH,HAMILTON L8S 4L7,ONTARIO,CANADA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1985年 / 30卷 / 04期

关键词：

CHEMICAL OPERATIONS - Simulation - COMPUTER SIMULATION - MATHEMATICAL TECHNIQUES - STRESSES - VISCOSITY;

D O I：

10.1002/app.1985.070300405

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A numerical simulation of entry flow in a slit die has been undertaken for a fluid that is Newtonian in shear but exhibits normal stresses (Boger fluid). Experimentally measured normal stress and viscosity data are included in a simple rheological model. Flow patterns reveal the existence of vortices in the reservoir corners. Vortex size and intensity increase rapidly with elasticity level.

引用

页码：1379 / 1391

页数：13

共 13 条

[1]

ADACHI K, 1980, RHEOLOGY, V2, P47

[2]

Bird RB., 1977, DYNAMICS POLYM LIQUI

[3] EXCESS PRESSURE LOSSES IN A SLIT [J].