Research on the Effects of Hydropneumatic Parameters on Tracked Vehicle Ride Safety Based on Cosimulation

Table 3

Initial value of hydraulic variables.

Hydraulic variables	Symbol	Unit	Value
Initial charge pressure of the accumulator		Pa	6.8 × 10^6
Volume of the accumulator		m^3	0.85 × 10^−3
Length of the damping tube		m	1.2
Flow diameter of the damping tube		m	6 × 10^−3
Section area of the actuation cylinder		m^2	4.4 × 10^−3
Initial track tensioning pressure		Pa	6.2 × 10^6
Section area of the track tensioning cylinder		m^2	2.0 × 10^−3
Density of the oil		kg/m^3	0.87 × 10^3
Kinematic viscosity of the oil		cSt	10