Running Characteristics of Aerodynamic Bearing with Self-Lifting Capability at Low Rotational Speed

Figure 3

Trajectories path of rotor center (expressed as a ration of rotor centre position over bearing clearance), comparison between transient and static results for plain three-lobe bearings with load of 56.65 g, Ω=1000rpm, 𝑐=40𝜇m, 𝑙₀=25mm, and 𝑟₀=15mm and lobe eccentricities (𝜀_𝑊0) of (a) 0.0875, (b) 0.25, and (c) 0.375, (d) 0.5.

(a)

(b)

(c)

(d)