Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Concept explainers

Forced undamped vibrations
In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,
Question

The flywheel of a generator set weighs 150 kg and its radius of gyration is 25 cm. The diameter of
flywheel shaft is 4.5 cm and length is 22 cm. The mass of armature is 90 kg and radius of gyration is 20
cm. The dynamo shaft is 4 cm in diameter and 18 cm long. Determine frequency of torsional vibration.
Neglect inertia of shaft and coupling. Assume G = 8.24 × 10 6 N/cm

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