
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Transcribed Image Text:Example 5.5 The turbine rotor of a ship has a mass of 30 tons, a radius of gyration
of 600 mm and rotates at 2400 rpm in a clockwise direction when viewed from aft. The
ship pitches through a total angle of 15%, 7.5° above and 7.5° below the horizontal, the
motion being simple harmonic and having a period of 12 sec. Determine the maximum
gyroscopic couple on the holding down bolts of the turbine and the direction of yaw as
the bow rises.
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