Diameter Effect in the Measurement of the Primary Normal Stress Difference from Jet Expansion
作者:
Robert L. Powell,
Stanley Middleman,
期刊:
Transactions of the Society of Rheology
(AIP Available online 1969)
卷期:
Volume 13,
issue 1
页码: 111-121
ISSN:0148-6055
年代: 1969
DOI:10.1122/1.549151
出版商: The Society of Rheology
数据来源: AIP
摘要:
A diameter effect is observed in calculating normal stress differences from observation of the expansion of viscoelastic jets. The possibility that the effect is due to an elastic reaction to the deceleration which accompanies expansion of the jet is raised, and a simple analysis shows this may be plausible.
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