A comparison of the vibration characteristics of a rotating machine with a linear and a keyed shaft

This paper presents some results of an ongoing work aimed at studying a number of characteristics of rotating machines and how they are influenced by both constructive features and the way they are driven. The following will present the main results obtained when a simple one-stage inertia turbomach...

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Bibliographic Details
Main Authors: Oliveira, F, Peláez, G, Donsión, M P
Format: Conference Proceeding
Language:English
Subjects:
Electrical engineering
Frequency response
Load modeling
Resonant frequency
Rotors
Shafts
Vibration measurement
Vibrations
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Summary:This paper presents some results of an ongoing work aimed at studying a number of characteristics of rotating machines and how they are influenced by both constructive features and the way they are driven. The following will present the main results obtained when a simple one-stage inertia turbomachine is built with a linear, cylindrical shaft or, instead, with a shaft that has a small slot such as those used in many mechanical couplings. Experimental results will show some significant differences in the behavior of the machine, both in terms of the orbit and in the resonance frequencies, as well as in the phase and amplitude of mechanical vibrations.
DOI:10.1109/ICELMACH.2010.5607868