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Transactions of the JSME (in Japanese)
This paper describes an experimental study on the characteristics of blade-shaft coupled bending vibration of a rotor system with a bladed disk. In a rotor with relatively long blades such as low-pressure steam turbines, the coupled vibration of shaft torsional and blade bending vibration with nodal diameter of zero (umbrella mode) must be considered in terms of reliability. The bending-torsion coupled resonance of rotor systems occurs under specific conditions, when the rotational speed isdoi:10.1299/transjsme.2014trans0077 fatcat:hiurhlzuwzgxtlpdadto4gdzay