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Title: Effects Of Disturbed Inflow On Accuracy Of Vortex-Shedding Flowmeters
Author: S. Perpeet, E. Von Lavante, H. Windorfer, V. Hans
Source: Flomeko 2000
Year Published: 2000
Abstract: Vortical ows are mostly considered as disturbances, however, in a vortex- shedding owmeter controlled vortex shedding from a blu body is used for through ow metering. In this case, any additional vortices, swirl, or pulsations introduced upstream will interfere with the meters function. In the present work, the eect of in ow vortices on the accuracy and function of a vortex-shedding owmeter are investigated numerically. The in ow vortices are induced by a single and double bend positioned upstream of the blu body. The resulting ow is analyzed using visualization and DFT for various types of blu bodies.

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