Simulation of changes in parameters of a high-pressure piston-cylinder unit with a PES-3 working liquid with a parabolic pressure distribution in the gap between the piston and the cylinder
The results of modeling the use of PES-3 fluid in a high-pressure piston-cylinder unit are presented. The pressure distribution in the gap between the piston and the cylinder took the form of a parabolic line for a under-piston pressure of 1.6 GPa. Calculations were performed for under-piston pressures from 0.01 GPa to 1.6 GPa. The initial undeformed gap between the piston and the cylinder varied from 0.2 μm to 1 μm. As a result of the calculations determined the pressure distribution between piston and cylinder for under-piston pressures below 1,6 GPa, the calculated profile of the deformed clearances between the piston and the cylinder for different under-piston pressure, the obtained dependence of the velocity of down movement of the piston from under-piston pressure for different initial undeformed gaps obtained dependence of the effective gap from under-piston pressure for different initial undeformed gaps.