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1 of in 1of in s of r. ent A:

1 of in 1of in s of r. ent A:

Elements Of Electromagnetics
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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The following data refer to the transmission gear of a motor ship (Fig. i8.45(a)}: Moment of inertia of flywheel = 4 800 kg. Moment of inertia of propeller = 3200 kg m Modulus of rigidin of shaft material = 80 x 10° Nm revinder 400 kg m Equivalent MOl per 4ssuming the diameter of the torsionally rquivalent crankshaft to be 320 mm and treating the arrangement as a three-rotor system, determine the requency of free torsional vibrations. Flywheel Propeller Cylinders A 320 300 280 mm 300 HHE 4800 kg m 3200 kgm 4m. 5m- 1 2m 1 2m 1 6m 2m la A 320 320 mm 4800 kg.m2 3200 kg.m? 44.0m- 21.89m (4) (e) (b) Fig. 18.45 zw By 0091 zw by 00t
Transcribed Image Text:The following data refer to the transmission gear of a motor ship (Fig. i8.45(a)}: Moment of inertia of flywheel = 4 800 kg. Moment of inertia of propeller = 3200 kg m Modulus of rigidin of shaft material = 80 x 10° Nm revinder 400 kg m Equivalent MOl per 4ssuming the diameter of the torsionally rquivalent crankshaft to be 320 mm and treating the arrangement as a three-rotor system, determine the requency of free torsional vibrations. Flywheel Propeller Cylinders A 320 300 280 mm 300 HHE 4800 kg m 3200 kgm 4m. 5m- 1 2m 1 2m 1 6m 2m la A 320 320 mm 4800 kg.m2 3200 kg.m? 44.0m- 21.89m (4) (e) (b) Fig. 18.45 zw By 0091 zw by 00t
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