Now showing items 11-20 of 26
Notes 14. Experimental identification of bearing force coefficients
Variable Filter method for bearing parameter identification.
Notes 08. Turbulence flow in thin film bearings : Characteristics and Modeling
The nature of turbulence. Turbulence equations in thin film flows. Turbulence flow models. The bulk-flow model of turbulence, Hirs’ and Moody’s friction factors.
Notes 01. The fundamental assumptions and equations of lubrication theory
The fundamental assumption in Lubrication Theory. Derivation of thin film flow equations from Navier-Stokes equations. Importance of fluid inertia effects in thin film flows. Some fluid physical properties
Notes 05. Dynamics of a simple rotor-fluid film bearing system
Equations of motion of a rigid rotor. The concept of force coefficients. Derivation of stiffness and damping coefficients for the short bearing. Stability analysis and the effect of cross-coupled stiffness. Effect of rotor ...
Notes 06. Liquid cavitation in fluid film bearings
Appropriate boundary conditions for a sound cavitation model. The basics of a universal cavitation model (algorithm).
Notes 00. Introduction to the analysis of vibrations in mechanical systems.
Introduction to motion in mechanical systems. Definition of design, analysis, and testing. Steps in Modeling. Continuous and lumped parameter systems. Second Order Systems and differential equations of motion. Definitions ...
Notes 07. Thermal analysis of finite length journal bearings including fluid inertia
Evaluation of dynamic force coefficients in finite length bearings using a perturbation of the flow equations. Finite Element models: basic equations and their solution.
Notes 09. Fluid inertia and turbulence in fluid film bearings
When fluid inertia effects are important. Bulk-flow model for inertial flows. Turbulence and inertia in short length journal bearings and open end dampers.