Abstract
Bump foil bearings without nominal radial clearance were analyzed. An air film thickness model and a bearing theoretical analytical model were developed accounting for air compressibility and foil deformation. To analyze hydrodynamic characteristics of bump foil bearings with different operating eccentricities, the air film thickness equation and Reynolds equation were coupled through pressure and solved by Newton-Raphson Method (NRM) and Finite Difference Method (FDM). The characteristics of an bump foil bearing model were discussed including load carrying capacity, film thickness and pressure distributions. The results of simulation show that bump foil bearing without nominal radial clearance can provide better stability and greater load capacity. This numerical analytical method also reveals a good convergence in numerical calculation.
| Original language | English |
|---|---|
| Pages (from-to) | 255-260 |
| Number of pages | 6 |
| Journal | Journal of Harbin Institute of Technology (New Series) |
| Volume | 15 |
| Issue number | 2 |
| State | Published - Apr 2008 |
| Externally published | Yes |
Keywords
- Bump foil bearing
- Film thickness model
- Numerical analysis
Fingerprint
Dive into the research topics of 'Numerical analysis of bump foil bearings without nominal radial clearance'. Together they form a unique fingerprint.Cite this
- APA
- Author
- BIBTEX
- Harvard
- Standard
- RIS
- Vancouver