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Title: Flow Measurement By Vortex Shedding Meters
Author: Alfredo Echeverria
Source: 1985 Appalachian Gas Measurement Short Course
Year Published: 1985
Abstract: Vortex flowmeters have been commercially available for flow measurement for more than 10 years. However, documented observations of the vortex shedding principle date back to the late 19th century. In 1878, F. Strouhal observed the vortex shedding phenomenon, which showed that the shedding frequency of a wire vibrating in the wind was related to the wire diameter and wind vetocity and, in 1912, Von Karman documented observations of resulting areas of alternating high and low pressure. Since the first vortex flowmeters were initially introduced to the market, advanced technological improvements have made todays vortex flowmeters a viable alternative to orifice plates and turbine meters for fluid flow measurements. Their versatility and accurate flow measurement of liquids, gases, and steam, and their simple design and low installation costs are just some of the reasons why vortex meters have been so widely accepted on routine flow measurements as well as on custody transfer applications.

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