Rotordynamic Stability - A Simplified Approach.
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Straightforward mechanics are used to give a physical understanding of the important parameters involved in rotor dynamic instability. A concise analysis procedure is proposed for assembling available information into a meaningful design stability analysis of between-bearing rotors. The technique combines the destabilizing effects on the rotor into an equivalent single source at the rotor mid-span, and uses an excitation "threshold value" to rate the system stability. Results of applying this design analysis technique to an unstable compressor and the benefit from bearing redesign are presented.
Stroh, Carrol G. (Chet) (1985). Rotordynamic Stability - A Simplified Approach.. Texas A&M University. Turbomachinery Laboratories. Available electronically from