Confined-Jet Amplifier

[+] Author and Article Information
E. A. Mayer

Bendix Research Laboratories, Southfield, Mich.

J. Basic Eng 90(1), 103-108 (Mar 01, 1968) (6 pages) doi:10.1115/1.3605048 History: Received August 01, 1967; Online November 03, 2011


The confined-jet amplifier is a new fluidic amplifier, consisting of a power nozzle and a receiver which are located on the same axis in an enclosure. The control input is the enclosure pressure, and the output is the receiver pressure. The confined-jet amplifier can operate efficiently from 40 to 1000 psia. The output pressure recovery exceeds 85 percent of the supply pressure; typical pressure gain is 6.5. The vortex valve serves as an efficient input control element to the confined-jet amplifier. The combination is demonstrated to have stable infinite pressure gain.

Copyright © 1968 by ASME
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