The rapid increase in operating speeds of mechanisms and machines during the last few decades has posed mechanical and technical engineers a series of new problems. One of these is that of the investigation of the dynamics of flexible rotors operating at speeds greater than the first- and higher-order critical speeds. In contemporary machine design we must cope with various machines and assemblies containing shafts which operate under such conditions: turbogenerators, gas and steam turbines, spinning shafts, high-capacity pumps, and a multitude of special-purpose machines.
KeywordsSteam Turbine Forced Vibration Supercritical Region Gyroscopic Effect Flexible Rotor
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