Torsional Vibration of Turbines with Rotation

During the research of the torsional vibration of turbines, the centrifugal force is considered in this paper. The natural frequency of torsional vibration with rotation is mentioned and it's formula in the rotor with a single disk is obtained. After comparing the natural frequencies of torsional vibration with and without rotation in different rotors, the relationship between the coefficient of the natural frequency of torsional vibration with rotation and the square of the diameter of the disk is extracted. The software MSC.Marc and the method of the finite element are used in this paper.