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1- A shaft carrying a rotor of weight 100 lb has an eccentricity of 0.1 in rotates at 1200 rpm. Determine, a- The steady state whirl amplitude b- The maximum whirl amplitude during start up condition of the system. The shaft stiffness is 200000 lb/in and the external damping ratio is 0.1

1- A shaft carrying a rotor of weight 100 lb has an eccentricity of 0.1 in rotates at 1200 rpm. Determine, a- The steady state whirl amplitude b- The maximum whirl amplitude during start up condition of the system. The shaft stiffness is 200000 lb/in and the external damping ratio is 0.1

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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1- A shaft carrying a rotor of weight 100 lb has an eccentricity of 0.1 in rotates at 1200 rpm. Determine, a- The steady state whirl amplitude b- The maximum whirl amplitude during start up condition of the system. The shaft stiffness is 200000 lb/in and the external damping ratio is 0.1 2- A single-story building frame is subjected to a harmonic ground acceleration, as shown in Fig. Find the steady-state motion of the floor (mass m). (1) = A cos cof
Transcribed Image Text:1- A shaft carrying a rotor of weight 100 lb has an eccentricity of 0.1 in rotates at 1200 rpm. Determine, a- The steady state whirl amplitude b- The maximum whirl amplitude during start up condition of the system. The shaft stiffness is 200000 lb/in and the external damping ratio is 0.1 2- A single-story building frame is subjected to a harmonic ground acceleration, as shown in Fig. Find the steady-state motion of the floor (mass m). (1) = A cos cof
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