A turbine rotor of a ship is of 2000 kg mass and has a radius of gyration of 0.8 m. Its speed is 200 rpm. The ship pitches 5o above and below the mean position. A complete oscillation takes place in 20 s and the motion is simple harmonic. Determine i. the maximum couple tending to shear the holding down bolts of turbine, ii. the maximum acceleration of the ship during pitching, and iii. the effect of gyroscope, if the rotation of the rotor is clockwise, when looking from aft.
A turbine rotor of a ship is of 2000 kg mass and has a radius of gyration of 0.8 m. Its speed is 200 rpm. The ship pitches 5o above and below the mean position. A complete oscillation takes place in 20 s and the motion is simple harmonic. Determine i. the maximum couple tending to shear the holding down bolts of turbine, ii. the maximum acceleration of the ship during pitching, and iii. the effect of gyroscope, if the rotation of the rotor is clockwise, when looking from aft.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A turbine rotor of a ship is of 2000 kg mass and has a radius of gyration of 0.8 m. Its speed is 200 rpm. The ship pitches 5o above and below the mean position. A complete oscillation takes place in 20 s and the motion is simple harmonic. Determine i. the maximum couple tending to shear the holding down bolts of turbine, ii. the maximum acceleration of the ship during pitching, and iii. the effect of gyroscope, if the rotation of the rotor is clockwise, when looking from aft.
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