Vortex Flow Meters | Yokogawa Electric Corporation
Vortex Flow Meters - Principle of Operation. Vortex Flow Meters use the Von Karman Effect to measure the rate of flow of a fluid or gas.. What is the Von Karman Effect?. Early in the 20th century, a Hungarian-American mathematician and physicist, Theodore von Karman, discovered that a fluid or gas flowing perpendicularly pass a bluff body …