VORTEX WAKE TRANSIT-TIME MEASUREMENTS FOR FLOW METERING

被引：2
|
作者：
COULTHARD, J
YAN, Y
机构：
[1] School of Science and Technology, University of Teesside
来源：
FLOW MEASUREMENT AND INSTRUMENTATION | 1993年 / 4卷 / 04期
关键词：
VORTEX SHEDDING; TRANSIT TIME; VORTEX FLOWMETER; CROSS-CORRELATION;
D O I：
10.1016/0955-5986(93)90034-G
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A method of flow measurement is described based on using a vortex wake as a flow tracer shed from a low-blockage-ratio bluff body, the velocity of which is measured by cross-correlation. Preliminary comparisons are made between measurements of the vortex shedding frequency and the vortex wake transit time between the two ultrasonic beams to determine the flow rates. Whilst preliminary results are confined to a 50 mm diameter sensing head, there is no upper limit to pipe size using the same suitably extended bluff body.
引用
收藏
页码：269 / 272
页数：4
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