Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2015 Vol: 7 Issue: 3

A response analysis method for shaft-blade combined vibration due to torsional vibration of turbine-generator shafts


A shaft-blade combined vibration model for the long blades of the low pressure turbine was presented in this paper using the method of considering the blade as a lateral vibration system with one end fixed to a shaft section. The shaft-blade combined model of the entire turbine-generator shafts for torsional vibration analysis was given by analyzing the interaction among the shaft sections during torsional vibration, and the vibration analysis response calculation method was given as well.

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