Skip to main content

Table 1 The physical parameters of the rotor system

From: Crack Fault Diagnosis and Location Method for a Dual-Disk Hollow Shaft Rotor System Based on the Radial Basis Function Network and Pattern Recognition Neural Network

Parameters

Value

Shaft length L(m)

0.8562

External radius R(m)

0.0441

Inside radius r(m)

0.0110

Material density \(\rho\)(kg/m3)

7800

Young’s modulus E(GPa)

2.09

Shear modulus G(GPa)

80.38

Bearing stiffness K(N/m)

5 × 107

Disk 1 diameter d1(m)

0.1215

Disk 1 mass m1(kg)

6.5157

Disk 2 diameter d2(m)

0.1493

Disk 1 mass m2(kg)

3.9543

Amount of unbalance med(kg·m)

5 × 10−7

Unbalance deflection θ

0

Bearing damping cxx(Ns/m)

1000