2. A turbine shaft, has a stiffness of 3.75 MN/m, and the rotation speed is 3600 rpm. The turbine rotor, has a mass of 60,000 grams and an eccentricity of 2000 microns, is mounted on the shaft. The...

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Extracted text: 2. A turbine shaft, has a stiffness of 3.75 MN/m, and the rotation speed is 3600 rpm. The turbine rotor, has a mass of 60,000 grams and an eccentricity of 2000 microns, is mounted on the shaft. The system is underdamped with a damping ratio of 0.05. (a) Determine the steadystate whirl amplitude of the rotor. (b) When will the whirl amplitude of the rotor be maximum? (c) Calculate the maximum whirl amplitude of the rotor (d) How the maximum whirl amplitude can be reduced?