Reduction of the suction pressure of a liquid ring vacuum pump with a supersonic gas ejector

Reduction of the suction pressure of a liquid ring vacuum pump with a supersonic gas ejector

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A supersonic gas ejector in conjunction with a liquid ring vacuum pump is used for creating and maintaining vacuum in a chamber for technological purposes.In this paper the authors submit an overview about the problematics of suction pressure reduction with a A Survey of Aero-Engine Blade Modeling and Dynamic Characteristics Analyses supersonic gas ejector used as a pre-stage of a liquid ring vacuum pump.This system has also the function of a cavitation protection due to the higher pressure Chemical Components and Biological Effects of Genus Origanum present at the suction throat of the vacuum pump.A part of this paper is devoted to the governing equations used at the definition of the flow through an ejector.The experimental studies are then carried out in or own laboratory for verification purposes.