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The paper presents the theoretical research regarding the variation of the geometrical and functional parameters at the fluidic device which operates based on Coanda effect. The experimentally tested bistable fluidic element is a special device with incompressible fluid as supply jet and compressible fluid as command jet recommended for automatic adjustment systems of the injection water pressure and automatic adjustment of the advance force at the pneumatic rotating machines, used in industry. The paper is focused on the presenting of several relations based on the system’s analytical model, as well as in the graphical study of variation of the main geometrical and functional parameters allowed by these.
Bistable fluidic element, supply and command jet, attachment length, wall angle, pressure in the separation bubble
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