Friction factors and bubble dynamics in polymer solutions
作者:
D. De Kee,
P. J. Carreau,
期刊:
The Canadian Journal of Chemical Engineering
(WILEY Available online 1993)
卷期:
Volume 71,
issue 2
页码: 183-188
ISSN:0008-4034
年代: 1993
DOI:10.1002/cjce.5450710203
出版商: Wiley Subscription Services, Inc., A Wiley Company
关键词: bubble dynamics;friction factor;non‐Newtonian fluids
数据来源: WILEY
摘要:
AbstractThis work reports on bubble dynamics in polymer solutions of various rheological character. Relations between the friction factor and the Reynolds number are discussed and master curves based on the results of Kawase and Moo‐Young are presented and analyzed using two different viscosity expressions. The theoretical results overpredict the friction coefficient except at very high deformation rates. The surface tension is shown to affect the shape of the bubbles but not their velocity, except for bubble volumes smaller than 10‐
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