Comparison of the unbalance responses of Jeffcott rotors with shaft bow and shaft runout
The unbalance response of a Jeffcott rotor with shaft bow and/or runout was theoretically and experimentally studied. Included in the theoretical model is the capability of low-speed response compensation, such that the response at low speed can be vectorially subtracted from the total response at any rotational speed. Responses of rotors with equal amounts of bow or runout are shown to be significantly different in both Bode and Nyquist forms. A small scale lightly damped Jeffcott rotor rig was also tested. The magnitude and angular position of the shaft bow were parametrically varied. The vibration data from the rotor tests were plotted using a synchronous tracking filter by two methods: both not using and using low speed 15 refs.
- Research Organization:
- Univ of Va, Charlottesville, USA
- OSTI ID:
- 5190688
- Journal Information:
- Am. Soc. Mech. Eng., (Pap.); (United States), Vol. 81-DET-47
- Country of Publication:
- United States
- Language:
- English
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