An idea of reducing of the throttling loss by means of a two-phase ejector application in a compression refrigeration device is presented. In this system the two-phase ejectors operates as a booster compressor. The experimental investigation of the performance of the two-phase ejector has been presented in this paper. The testing apparatus and procedure have been described. The effect of compression ratio and flow ratio on the ejector efficiency have been showed on the basis of the experimental results. The own model of two-phase ejector has been briefly presented in the paper.
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