The elimination of sub-synchronous vibration is a major task of rotating machinery engineers. The industry has used applied imbalance to improve stability of vertical pumps which would otherwise be totally unstable. The current interest is for the application of a small imbalance to determine the influence on the level of instability frequency components for a small high speed turbocharger rotor. The initial experimental results for the application of a known imbalance on the compressor end of a high speed turbocharger, indicates a reduced level for the lower instability mode.
- Tribology Division
Influence of Turbocharger Imbalance on Subsynchronous Vibration Amplitude
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Kirk, RG, Sterling, J, Sawyers, W, Saville, M, McNiff, TB, & Wilvert, L. "Influence of Turbocharger Imbalance on Subsynchronous Vibration Amplitude." Proceedings of the ASME/STLE 2009 International Joint Tribology Conference. ASME/STLE 2009 International Joint Tribology Conference. Memphis, Tennessee, USA. October 19–21, 2009. pp. 213-215. ASME. https://doi.org/10.1115/IJTC2009-15027
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