Gain Characteristics of Subsonic Pressure-Controlled, Proportional, Fluid-Jet Amplifiers

[+] Author and Article Information
A. K. Simson

General Dynamics/Astronautics, San Diego, Calif.

J. Basic Eng 88(2), 295-305 (Jun 01, 1966) (11 pages) doi:10.1115/1.3645850 History: Received August 24, 1964; Online November 03, 2011


The gain characteristics of a subsonic, pressure-controlled, proportional, fluid-jet amplifier are developed in relation to the control-port and receiver-design parameters. The analysis uses an assumed submerged-jet representation. Control ports are added and the control flows associated with various control-port positions are calculated. The control-port characteristics are presented in a series of design curves. The receiver characteristics are obtained also as a function of their inlet geometry. Optimum dimensions are found to maximize gain for pressure, flow, and power amplifiers. Linearity is discussed. The receiver characteristics are presented in a series of design curves. Complete amplifier characteristics are obtained by combining the control-port and receiver characteristics. An example calculation is shown.

Copyright © 1966 by ASME
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