Table 1 Main physical parameters
From: A Numerical Method for Extrication Characteristics of TBM Cutter-Head with the HVC
Parameter | Value | Unit |
|---|---|---|
Ri | 0.09 | m |
Ro | 0.15 | m |
h0 | 0.005‒0.5 | mm |
ρ | 872 | kg/m3 |
μ | 0.027 | Pa·s |
Q | 5 | L/min |
ω1 | 0‒74.5 | rad/s |
c1, c2 | 5.3×10−4, 5.3×10−4 | N·m/(r/min) |
np | 4 | – |
M12 | 0.01 | H |
J1, J2 | 0.093, 0.131 | kg·m2 |
P | 2 | mm |
N | 1/30 | |
Mmax, MC | 8, 5 | N·m |