Onset of turbulence in oscillating flow at low Womersley number
作者:
U. H. Kurzweg,
E. R. Lindgren,
B. Lothrop,
期刊:
Physics of Fluids A
(AIP Available online 1989)
卷期:
Volume 1,
issue 12
页码: 1972-1975
ISSN:0899-8213
年代: 1989
DOI:10.1063/1.857469
出版商: AIP
数据来源: AIP
摘要:
Measurements on the onset of turbulence in oscillating flow of water in small diameter tubes are presented. Observations, based upon the streaming birefringence method, show that the heretofore observed radius independent onset criterion for turbulence fails to hold as the tube radius and oscillation frequency become small. In particular, it is found that with decreasing values of Womersley number, oscillating flows become increasingly stable.
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