Publications on Turbocharger Nonlinear Rotordynamics & (Semi) Floating Ring Bearings July 18, 2024

MAJOR APPLICATION: Passenger and commercial vehicle turbochargers –
Sponsor: Honeywell Turbocharging Technologies, KeyYang Precision (South Korea)

Jung, W., San Andrés, L., and Kim, J., 2022, “A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System,” ASME J. Eng. Gas Turbines Power, Vol. 144(11): 111002, https://doi.org/10.1115/1.4055365 (ASME GT2022-79386)

San Andrés, L., Jung, W., and Hong, S-K, 2021, “A Thermo-Hydrodynamic Model for Thermal Energy Management in a (Semi) Floating Ring Bearing System for Automotive Turbochargers,” ASME J. Eng. Gas Turbines Power, Vol. 143(1): 011013, https://doi.org/10.1115/1.4048800 (ASME GT2020-14332)

San Andrés, L., Yu, F., and Gjika, K., 2018, “On the Influence of Lubricant Supply Conditions and Bearing Configuration on the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers,” ASME J. Eng. Gas Turbines Power, Vol. 140(3), 032503(9). DOI: 10.1115/1.4037920 (ASME GT2017-64839)

San Andrés, L.., Barbarie, V., Bhattacharya, A., and Gjika, K., 2012, “On the Effect of Thermal Energy Transport to the Performance of (Semi) Floating Ring Bearing Systems for Automotive Turbochargers,” ASME J. Eng. Gas Turbines Power, vol. 134 (October), 102507 [ASME paper GT2012-68074] 2012 Best Paper Microturbines, Turbochargers, & Small Turbomachines Committee –ASME (IGTI)

San Andrés, L., and Vistamehr, A., 2010, “Nonlinear Rotordynamics of Vehicle Turbochargers: Parameters Affecting Sub Harmonic Whirl frequencies and Their Jump,” Proc. of the 8^th IFToMM International Conference on Rotordynamics, September, Seoul, Korea, Paper P-1115

San Andrés, L., Maruyama, A., Gjika, K., and Xia, S., 2010, “Turbocharger Nonlinear Response with Engine-Induced Excitations: Predictions and Test Data,” ASME J. Eng. Gas Turbines Power, Vol. 132(March), p. 032502 (ASME Paper No. GT2009-59108)

Gjika, K., C. Groves, L. San Andrés, and LaRue, G., 2010, “Nonlinear Dynamic Behavior of Turbocharger Rotor-Bearing Systems with Hydrodynamic Oil Film and Squeeze Film Damper in Series: Prediction and Experiment,” ASME Journal of Computational and Nonlinear Dynamics, Vol. 5 (October), p. 041006-(1-8).

San Andrés, L., J.C. Rivadeneira, K. Gjika, C. Groves, and G. LaRue, 2007, “A Virtual Tool for Prediction of Turbocharger Nonlinear Dynamic Response: Validation Against Test Data,” ASME Journal of Engineering for Gas Turbines and Power, 129(4), pp. 1035-1046 (ASME Paper GT 2006-90873)

San Andrés, L., J.C. Rivadeneira, K. Gjika, C. Groves, and G. LaRue, 2007, “Rotordynamics of Small Turbochargers Supported on Floating Ring Bearings – Highlights in Bearing Analysis and Experimental Validation,” ASME Journal of Tribology, Vol. 129, pp. 391-397.

San Andrés, L., J.C. Rivadeneira, M. Chinta, K. Gjika, G. LaRue, 2007,”Nonlinear Rotordynamics of Automotive Turbochargers – Predictions and Comparisons to Test Data,” ASME Journal of Engineering for Gas Turbines and Power, 129, pp. 488-493 (ASME Paper GT 2005-68177)

San Andrés, L., J.C. Rivadeneira, K. Gjika, C. Groves, and G. LaRue, 2006, “Rotordynamics of Small Turbochargers Supported on Floating Ring Bearings: Highlights in Bearing Analysis and Experimental Validation,” Paper CELT06-76, Memorias del IX Congreso y Exposición Latinoamericana de Turbomaquinaria, Veracruz, Mexico, June 22-23, 2006, ISBN 968-6114-20-3

San Andrés, L., J.C. Rivadeneira, K. Gjika, M. Chinta, and G. LaRue, 2005, “Advances in Nonlinear Rotordynamics of Passenger Vehicle Turbochargers: a Virtual Laboratory Anchored to Test Data,” Paper WTC 2005-64155, III World Tribology Conference, Washington D.C., September.

Holt, C., L. San Andrés, S. Sahay, P. Tang, G. LaRue, and K. Gjika, 2005, “Test Response and Nonlinear Analysis of a Turbocharger Supported on Floating Ring Bearings,” ASME Journal of Vibrations and Acoustics, 127, pp. 107-212.

San Andrés, L. and J. Kerth, 2004, “Thermal Effects on the Performance of Floating Ring Bearings for Turbochargers”, Journal of Engineering Tribology, Special Issue on Thermal Effects on Fluid Film Lubrication, IMechE Proceedings, Part J, Vol. 218, 5, pp. 437-450

Holt, C., L. San Andrés, S. Sahay, P. Tang, G. LaRue, and K. Gjika, 2003, “Test Response of a Turbocharger Supported on Floating Ring Bearings – Part I: Assessment of Subsynchronous Motions,” ASME Paper DETC 2003/VIB-48418, Proceedings of the 19^th Biennial Conference on Mechanical Vibration and Noise,” Chicago (IL), September

Holt, C., L. San Andrés, S. Sahay, P. Tang, G. LaRue, and K. Gjika, 2003, “Test Response of a Turbocharger Supported on Floating Ring Bearings – Part II: Comparisons to Nonlinear Rotordynamic Predictions,” ASME Paper DETC 2003/VIB-48419, Proceedings of the 19^th Biennial Conference on Mechanical Vibration and Noise,” Chicago (IL), September

Naranjo, J., C. Holt, and L. San Andrés, 2001, “Dynamic Response of a Rotor Supported in a Floating Ring Bearing”,1^st International Conference in Rotordynamics of Machinery, ISCORMA1, Paper 2005, August 2001 (CD only).

OTHER: 100+ proprietary monthly progress technical reports to sponsors