Rotordynamics

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Rotor Design

Published in Wei Tong, Mechanical Design and Manufacturing of Electric Motors, 2022

Rotordynamics is a specialized branch of applied mechanics concerned with the behavior and stability of rotating machinery. It plays an important role in improving the safety and reliability of electric motors. To design a robust motor, it is necessary to perform both steady-state and transient lateral and torsional calculations.

Study on bearing force of marine propeller induced by longitudinal vibration of propulsion-shafting^*

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Journal Information

Published in Ships and Offshore Structures, 2020

Donglin Zou, Fangrui Lv, Na Ta, Zhushi Rao

When the shaft rotates, it has two kinds of rotation motions (Zhang 1990), as shown in Figure 1, namely the spin around the centre of the shaft and the precession around the bearing centre. In rotordynamics theories, the precession motion is also called the whirl motion. In fact, the amplitude of the whirl orbit is just the amplitude of bending vibrations.

Explore chapters and articles related to this topic

Rotor Design

Study on bearing force of marine propeller induced by longitudinal vibration of propulsion-shafting*

Study on bearing force of marine propeller induced by longitudinal vibration of propulsion-shafting^*