Analysis of Liquid Piston Compressibility in the Two-Stage Hybrid Positive-Displacement Machine

The effect of liquid compressibility in the two-stage piston hybrid positive-displacement machine with a was considered. Based on volume conservation equation, we developed calculus methodology for during gas compression second stage compressor section. A numerical experiment made it possible to establish that some parameters have greatest relative decrease height and velocity layer. These are degree pressure ratio; pipeline length; polytropic index compression; number crankshaft revolutions. We found layer is within 1 %, 5 %. paper analyses influence thermodynamic efficiency process performance.