Research on Velocity Fluctuation of High Pressure and High Flow Double Booster Cylinder Hydraulic System

Table 1

Main parameters of the hydraulic system.

Parameters	Value
Bulk modulus of hydraulic oil (Pa)	8 × 10^8
Density of hydraulic oil (kg/m^3)	850
Absolute viscosity of hydraulic oil (cP)	51
Mass of piston in booster cylinder (kg)	350
Piston area of rodless chamber of booster cylinder (m^2)	0.20
Piston area of rod chamber of booster cylinder (m^2)	0.066
Stroke of booster cylinder (m)	0.75
Mass of piston in main cylinder and its attachment parts (kg)	5.0 × 10^4
Piston area of rodless chamber of main cylinder (m^2)	0.50
Piston area of rod chamber of main cylinder (m^2)	0.16
Stroke of main cylinder (m)	1.2