Comprehensive Assessment of Pulsation Phenomena and Dynamic Loads in the Working Elements of a Hydraulic Drive

The operation of the hydraulic drive system is accompanied by pulsations of the flow rate and pressure of the working fluid, which reduce the energy efficiency of the hydraulic drive due to the increase in noise characteristics and additional loads. Based on an analysis, the primary factors affecting the pulsation phenomena in the hydraulic drive were identified. Our results revealed that the pulsation of liquid pressure and probability of hydraulic shock occurrence were primarily responsible for the increased dynamic loads in the working elements of the hydraulic drive.