FREE-SURFACE EFFECTS IN TORSIONAL PARALLEL-PLATE RHEOMETRY

被引：14

作者：

SHIPMAN, RWG

DENN, MM

KEUNINGS, R

机构：

[1] UNIV CALIF BERKELEY,DEPT CHEM ENGN,BERKELEY,CA 94720

[2] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,CTR ADV MAT,BERKELEY,CA 94720

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1991年 / 30卷 / 05期

关键词：

D O I：

10.1021/ie00053a014

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Free-surface distortions caused by the combined effects of gravity and surface tension have little effect on the measured torque in torsional parallel-plate rheometry, but they can affect the measured normal stresses for dilute polymer solutions. A static free surface correction to the normal force is in good agreement with finite-element calculations and can be used to correct experimental measurements.

引用

页码：918 / 922

页数：5

共 16 条

[1]

DENN MM, 1980, PROCESS FLUID MECHAN

[2] SWIRLING FLOWS OF VISCOELASTIC FLUIDS OF THE INTEGRAL TYPE IN RHEOGONIOMETERS [J].