A proposal of a ring‐type vortex flowmeter
作者:
J. J. Miau,
E. G. Chiu,
J. H. Chou,
期刊:
Review of Scientific Instruments
(AIP Available online 1992)
卷期:
Volume 63,
issue 9
页码: 4213-4221
ISSN:0034-6748
年代: 1992
DOI:10.1063/1.1143238
出版商: AIP
数据来源: AIP
摘要:
A configuration of a ring‐type bluff body situated in a circular pipe is suggested as a design of a vortex flowmeter. Experiments were carried out to test a series of ring‐type bluff models, whose geometrical parameters are expressed in terms of the gap ratioG/Wand the slenderness ratioD¯/W, whereGdenotes the gap width between the outer edge of the ring and the pipe wall,Wdenotes the width of the ring, andD¯ denotes the mean diameter of the ring. Major efforts are focused upon a group of the ring‐type vortex shedders whose vortex shedding process is strongly influenced by the presence of the wall. Results obtained suggest the appropriate sizes of rings for which the vortex shedding frequency can be clearly measured either on the pipe wall or at the center of the pipe.
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