A Study of Feedback Fluid Jet Oscillator With a Supersonic Power Jet: Part II: Analytical Study of Its Characteristics

[+] Author and Article Information
J. D. McGeachy

Zion Plant, Commonwealth Edison Co., Chicago, Ill.

W. L. Chow

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, Ill.

J. Dyn. Sys., Meas., Control 95(2), 185-190 (Jun 01, 1973) (6 pages) doi:10.1115/1.3426677 History: Received March 16, 1973; Online July 13, 2010


The study of the flow phenomena occurring within a feedback fluidic jet oscillator (see reference [2]) was continued on the basis of the quasi-steady flow concept. Description and explanation of these phenomena throughout the oscillating cycle were possible in view of the reasonably good agreement between the analytical results and experimental data. The characteristic pressures within the system prior to switching can be correlated and predicted. For a particular oscillation geometry, the required primary pressure to start jet switching and oscillation can also be estimated. A simplified oscillator model has also been suggested to illustrate the general behavior of such a feedback oscillator.

Copyright © 1973 by ASME
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