Title page for ETD etd-05102005-182848

Type of Document Master's Thesis
Author Alsaeed, Ali A.
URN etd-05102005-182848
Title Dynamic Stability Evaluation of an Automotive Turbocharger Rotor-Bearing System
Degree Master of Science
Department Mechanical Engineering
Advisory Committee
Advisor Name Title
Kirk, R. Gordon Committee Chair
Inman, Daniel J. Committee Member
Kasarda, Mary E. F. Committee Member
  • fluid-film bearings
  • rotordynamics
  • stability
  • nonlinear
  • linear
  • turbocharger
Date of Defense 2005-05-03
Availability unrestricted
This project was initiated to more fully understand the dynamic stability of an

automotive turbocharger rotor-bearing system using both linear and nonlinear analyses.

The capabilities of a commercial Finite Element Analysis (FEA) code (computer

program) were implemented in the investigation process. Several different hydrodynamic

journal bearings were employed in the study of the turbocharger linearized dynamic

stability. The research demonstrates how the linear analysis of a turbocharger

rotordynamics can be very beneficial for the design evaluation and maintenance


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