Investigation of Dynamic Load in Superdeep Mine Hoisting Systems Induced by Drum Winding

Table 3

Parameters of test rig.

Item	Notation	Value
Winding angular acceleration	α1t	50 rad/s^2
Winding angular deceleration	α2t	−50 rad/s^2
Time for winding acceleration	t1t	0.2 s
Time for uniform winding	t2t	6.4 s
Time for winding deceleration	t3t	0.2 s
Linear density of the rope	ρt	0.4 kg/m
Tensile stiffness of the rope	EAt	1288.1 N/m
Hoisting mass	mst	1.49 kg
Radius of drum and sheave	Rt	0.01 m
Diameter of cylinder object	dt	0.0045 m
Longitudinal damping coefficient of the hoisting rope	Cut	1.5
Damping coefficient between the conveyance and the steel guide	Cst	0.1
Length of the catenary	Lt	1 m
Minimum length of the vertical rope	ltmin	0.2 m