KSTLE International Journal

한국트라이볼로지학회 (Korean Tribology Society)
권호 표지

FE Lubrication Analysis and Dynamic Characteristics of Herringbone Groove Air Bearing applied to High-Speed Color Wheel

  • Lee, An-Sung (System Engineering Research Division, Korea Institute of Machinery and Materials)
  • 발행 : 2008.12.31
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

In this study is performed a complex lubrication analysis of a herringbone groove air journal bearing, which shows a big potential as an oilless bearing for a color wheel used as an original color source for a large DLP projection television and rotating at a rated-speed of 10,800 rpm. The Galerkin FE and perturbation methods are used for a lubrication analysis of the bearing. The effects of groove number, angle and depth and bearing clearance on the dynamic stability of the bearing are investigated in terms of the critical mass, and its equilibrium positions, stiffness and damping coefficients are calculated at various rotating speeds. Results have shown that the designed herringbone groove air journal bearing is quite suitable as a support bearing for the considered high-speed color wheel in terms of the complex lubrication performances of the bearing itself.

키워드

참고문헌

  1. Tanaka, K., and Muraki, H., "Performance of Air-Lubricated Hydrodynamic Bearing Spindles for Laser Scanners," ASME Journal of Tribology, Vol. 113, pp. 609-614, 1991 https://doi.org/10.1115/1.2920667
  2. Zhang, Q. D., Chen, S. X., and Liu, Z. J., "Design of A Hybrid Fluid Bearing System for HDD Spindles," IEEE Transactions on Magnetics, Vol. 35(2), pp. 821-826, 1999 https://doi.org/10.1109/20.753792
  3. Lee, Y.-Z., Jeong, S.-H., and Jeong, K.-S., "Frictional and Electrical Characteristics of Grooved Fluid Film Bearings for High-Speed Laser Scanner Motor," ASME Journal of Tribology, Vol. 122, pp. 557-564, 2000 https://doi.org/10.1115/1.555401
  4. Vohr, J. H., and Chow, C. Y., "Characteristics of Herringbone-Grooved Gas-Lubricated Journal Bearings," ASME Journal of Basic Engineering, pp. 568-578, 1965
  5. Chow, C. Y., and Vohr., J. H., "Helical-Grooved Journal Bearing Operated in Turbulent Regime," ASME Journal of Lubrication Technology, pp. 346-358, 1969
  6. Bonneau, D., and Absi, J., "Analysis of Aerodynamic Journal Bearings with Small Number of Herringbone Grooves by Finite Element Methods," ASME Journal of Tribology, Vol. 116, pp. 698-704, 1994 https://doi.org/10.1115/1.2927320
  7. Kang, K., Rhim, Y., and Sung. K., "A Study of the Oil-Lubricated Herringbone-Grooved Journal Bearing-Part 1: Numerical Analysis," ASME Journal of Tribology, Vol. 118, pp. 906-911, 1996 https://doi.org/10.1115/1.2831627
  8. Zirkelback, N., and Luis, S. A, "Finite Element Analysis of Herringbone Groove Journal Bearings: A Parametric Study," ASME Journal of Tribology, Vol. 120, pp. 234-240, 1998 https://doi.org/10.1115/1.2834415
  9. Jang, G. H., and Kim, Y. J., "Calculation of Dynamic Coefficients in a Hydrodynamic Bearing Considering Five Degrees of Freedom for a General Rotor-Bearing System," ASME Journal of Tribology, Vol. 121, pp. 499-505, 1999 https://doi.org/10.1115/1.2834095
  10. Constantinescu, V. N., and Galetuse, S., "On the Dynamic Stability of the Spiral-Grooved Gas-Lubricated Thrust Bearing," ASME Journal of Tribology, Vol. 109, pp. 183-188, 1987 https://doi.org/10.1115/1.3261316