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Disk-type vortex flowmeter and method for measuring flow rate using disk- type vortex shedder
Disk-type vortex flowmeter and method for measuring flow rate using disk- type vortex shedder
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机译：盘式涡街流量计和使用盘式涡流脱落器测量流量的方法
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摘要
An axisymmetric bluff body is proposed for a vortex flowmeter as the vortex shedder. It is found that vortex shedding frequencies measured can be nondimensionalized into a linear relation with the Reynolds number for area blockage ratios of circular disks up to 29.2%. Vortex shedding frequency can be clearly sensed by a pressure transducer installed on the pipe wall in the neighborhood of the maximum pressure fluctuation being measured. This suggests a feasible design that the sensor of a vortex flowmeter can be removed from the flow field or changed easily.
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