Theoretical Vibration Analysis Regarding Excitation due to Elliptical Shaft Journals in Sleeve Bearings of Electrical Motors

Figure 15

Bearing housing velocities in (a) vertical direction at bearing (1), (b) vertical direction at bearing (2), (c) horizontal direction at bearing (1), and (d) horizontal direction at bearing (2), depending on the rotor speed 𝑛 and on the difference angle Δ𝜑.

(a)

(b)

(c)

(d)