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Proceeding Paper

Parameter-Driven Campbell Diagram Variations in Turbocharger Rotors: A Rotordynamic Simulation Study Using ROSS †

Department of Propulsion Technology, Széchenyi István University, H-9026 Győr, Hungary
*
Author to whom correspondence should be addressed.
Presented at the Sustainable Mobility and Transportation Symposium 2024, Győr, Hungary, 14–16 October 2024.
Eng. Proc. 2024, 79(1), 58; https://doi.org/10.3390/engproc2024079058
Published: 7 November 2024
(This article belongs to the Proceedings of The Sustainable Mobility and Transportation Symposium 2024)

Abstract

This study investigates the influence of rotor design parameters on the Campbell diagrams of automotive turbocharger rotors using rotordynamic simulations. A finite element model of the rotor is developed within the Python-based ROSS package, incorporating key parameters such as disk mass, lubricant viscosity, and bearing positioning. Employing this model, simulations are conducted to generate Campbell diagrams across a range of operational speeds. The analysis focuses on how variations in these parameters affect the critical speeds and corresponding vibration modes identified in the Campbell diagrams. The results provide valuable insights into the rotordynamic behavior of automotive turbochargers and their sensitivity to design choices. This information can be utilized to optimize rotor design for improved stability, reduced noise generation, and enhanced overall performance.
Keywords: turbocharger; rotordynamics; numerical analysis; journal bearing turbocharger; rotordynamics; numerical analysis; journal bearing

Share and Cite

MDPI and ACS Style

Pesthy, M.; Boros, M.; Tóth-Nagy, C. Parameter-Driven Campbell Diagram Variations in Turbocharger Rotors: A Rotordynamic Simulation Study Using ROSS. Eng. Proc. 2024, 79, 58. https://doi.org/10.3390/engproc2024079058

AMA Style

Pesthy M, Boros M, Tóth-Nagy C. Parameter-Driven Campbell Diagram Variations in Turbocharger Rotors: A Rotordynamic Simulation Study Using ROSS. Engineering Proceedings. 2024; 79(1):58. https://doi.org/10.3390/engproc2024079058

Chicago/Turabian Style

Pesthy, Márk, Máté Boros, and Csaba Tóth-Nagy. 2024. "Parameter-Driven Campbell Diagram Variations in Turbocharger Rotors: A Rotordynamic Simulation Study Using ROSS" Engineering Proceedings 79, no. 1: 58. https://doi.org/10.3390/engproc2024079058

APA Style

Pesthy, M., Boros, M., & Tóth-Nagy, C. (2024). Parameter-Driven Campbell Diagram Variations in Turbocharger Rotors: A Rotordynamic Simulation Study Using ROSS. Engineering Proceedings, 79(1), 58. https://doi.org/10.3390/engproc2024079058

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