Comparative analysis on the performance envelope of a three-pad and four-pad active journal bearing

References

• Chasalevris A, Dohnal F. Improving stability and operation of turbine rotors using adjustable journal bearings. Tribology International. 2016; 104: 369-382. https://doi.org/10.1016/j.triboint.2016.06.022
   Google Scholar
• Chasalevris, A., & Dohnal, F. (2012). A journal bearing with variable geometry for the reduction of the maximum amplitude during passage through resonance. Journal of Vibration and Acoustics, 134(6), 061005. https://doi.org/10.1115/1.4007242
   Web of Science ®Google Scholar
• Chasalevris, A., & Dohnal, F. (2014). Vibration quenching in a large scale rotor-bearing system using journal bearings with variable geometry. Journal of Sound and Vibration, 333(7), 2087–21. https://doi.org/10.1016/j.jsv.2013.11.034
   Web of Science ®Google Scholar
• Chasalevris, A., & Dohnal, F. (2015). A journal bearing with variable geometry for the suppression of vibrations in rotating shafts: Simulation, design, construction and experiment. Mechanical Systems and Signal Processing, 52, 506–528. https://doi.org/10.1016/j.ymssp.2014.07.002
   Web of Science ®Google Scholar
• Chasalevris, A., & Dohnal, F. Enhancing stability of industrial turbines using adjustable partial arc bearings. In Journal of Physics: Conference Series 2016; 744(1): 012152. https://doi.org/10.1088/1742-6596/744/1/012152/meta
   Google Scholar
• Chasalevris, A., & Dohnal, F. Suppressing vibrations of shafts using adjustable bearings. U. S. Patent 2018/0003075A1, 4 January, 2018.
   Google Scholar
• Chen, H., Miao, F., Chen, Y., Xiong, Y., & Chen, T. (2021). A hyperspectral image classification method using multi-feature vectors and optimized KELM. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 14, 2781–2795. https://doi.org/10.1109/JSTARS.2021.3059451
   Google Scholar
• Deng, W., Zhang, L., Zhou, X., Zhou, Y., Sun, Y., Zhu, W., Chen, H., Deng, W., Chen, H., & Zhao, H. (2022). Multi-strategy particle swarm and ant colony hybrid optimization for airport taxiway planning problem. Information Sciences, 612, 576–593. https://doi.org/10.1016/j.ins.2022.08.115
   Web of Science ®Google Scholar
• Girish, H., & Pai, R. (2019). Analysis on the Steady State Performance of a Multi Pad Externally Adjustable Fluid Film Bearing. Industrial Lubrication and Tribology, 71(6), 803–809. https://doi.org/10.1108/ILT-10-2018-0371
   Web of Science ®Google Scholar
• Krodkiewski, J. M., Cen, Y., & Sun, L. (1997). Improvement of stability of rotor system by introducing a hydraulic damper into an active journal bearing. International Journal of Rotating Machinery, 3(1), 45–52. https://doi.org/10.1155/S1023621X97000055
   Google Scholar
• Krodkiewski, J. M., & Sun, L. (1998). Modelling of multi-bearing rotor systems incorporating an active journal bearing. Journal of Sound and Vibration, 210(2), 215–229. https://doi.org/10.1006/jsvi.1997.1323
   Web of Science ®Google Scholar
• Martin, J. K. (1999). A mathematical model and numerical solution technique for a novel adjustable hydrodynamic bearing. International Journal for Numerical Methods in Fluids, 30(7), 845–864. https://doi.org/10.1002/(SICI)1097-0363(19990815)30:7<845::AID-FLD867>3.0.CO;2-O
   Web of Science ®Google Scholar
• Martin, J. K. (2002). Extended expansion of the Reynolds equation. proceedings of the institution of mechanical engineers. Part J: Journal of Engineering Tribology, 216(1), 49–51. https://doi.org/10.1243/1350650021543889
   Google Scholar
• Martin, J. K. (2004a). Measuring the performance of a novel fluid film bearing supporting a rotor on a stationary shaft, by non-contacting means. Proceedings of the institution of mechanical engineers. Part K: Journal of Multi-Body Dynamics, 218(3), 143–151. https://doi.org/10.1243/1464419042035953
   Google Scholar
• Martin, J. K. (2004b). Measured stiffness and displacement coefficients of a stationary rotor hydrostatic bearing. Tribology International, 37(10), 809–816. https://doi.org/10.1016/j.triboint.2004.04.010
   Web of Science ®Google Scholar
• Martin, J. K., & Parkins, D. W. (2001). Testing of a large adjustable hydrodynamic journal bearing. Tribology Transactions, 44(4), 559–566. https://doi.org/10.1080/10402000108982495
   Web of Science ®Google Scholar
• Martin, J. K., & Parkins, D. W. (2002). Theoretical studies of a continuously adjustable hydrodynamic fluid film bearing. Journal of Tribology, 124(1), 203–211. https://doi.org/10.1115/1.1396343
   Web of Science ®Google Scholar
• Nicoletti, R., & Santos, I. F. (2003). Linear and non-linear control techniques applied to actively lubricated journal bearings. Journal of Sound and Vibration, 260(5), 927–947. https://doi.org/10.1016/S0022-460X(02)
   Web of Science ®Google Scholar
• Onyekwena, C. C., Xue, Q., Li, Q., Wan, Y., Feng, S., Umeobi, H. I., Liu, H., & Chen, B. (2022). Support vector machine regression to predict gas diffusion coefficient of biochar-amended soil. Applied Soft Computing, 127, 109345. https://doi.org/10.1016/j.asoc.2022.109345
   Web of Science ®Google Scholar
• Pai, R., & Parkins, D. W. (2018). Performance characteristics of an innovative journal bearing with adjustable bearing elements. Journal of Tribology, 140(4), 041705. https://doi.org/10.1115/1.4039134
   Web of Science ®Google Scholar
• Parkins, D. W., & Martin, J. K. Fluid film bearings. U. S. Patent 5,772,334, 30 June, 1998.
   Google Scholar
• Santos, I. F. Design and evaluation of two types of active tilting pad journal bearings. In The Active Control of Vibration Symposium 1994; 79–87.
   Google Scholar
• Santos, I. F. (1995). On the adjusting of the dynamic coefficients of tilting-pad journal bearings. Tribology Transactions, 38(3), 700–706. https://doi.org/10.1080/10402009508983461
   Web of Science ®Google Scholar
• Santos, I. F., & Russo, F. H. (1998). Tilting-pad journal bearings with electronic radial oil injection. Journal of Tribology, 120(3), 583–594. https://doi.org/10.1115/1.2834591
   Web of Science ®Google Scholar
• Santos, I. F., & Scalabrin, A. (2003). Control system design for active lubrication with theoretical and experimental examples. Journal of Engineering for Gas Turbines and Power, 125(1), 75–80. https://doi.org/10.1115/1.1451757
   Web of Science ®Google Scholar
• Shenoy, B. S. Performance evaluation of single pad externally adjustable fluid film bearing. Ph.D. Thesis, Manipal University, Manipal, India, 2008.
   Google Scholar
• Shenoy, B. S., & Pai, R. (2009). Performance evaluation of a single-pad, externally-adjustable fluid film bearing. Australian Journal of Mechanical Engineering, 7(2), 125–135. https://doi.org/10.1080/14484846.2009.11464586
   Google Scholar
• Shenoy, B. S., & Pai, R. (2010). Stability characteristics of an externally adjustable fluid film bearing in the laminar and turbulent regimes. Tribology International, 43(9), 1751–1759. https://doi.org/10.1016/j.triboint.2010.04.015
   Web of Science ®Google Scholar
• Sun, L., Krodkiewski, J. M., & Cen, Y. (1998). Self-tuning adaptive control of forced vibration in rotor systems using an active journal bearing. Journal of Sound and Vibration, 213(1), 1–14. https://doi.org/10.1006/jsvi.1997.1466
   Web of Science ®Google Scholar
• Varela AC, García AB, Santos IF. Modelling of LEG tilting pad journal bearings with active lubrication. Tribology International. 2017; 107: 250-263. https://doi.org/10.1016/j.triboint.2016.11.033
   Google Scholar
• Varela, A. C., & Santos, I. F. (2012). Performance improvement of tilting-pad journal bearings by means of controllable lubrication. Mechanics & Industry, 13(1), 17–32. https://doi.org/10.1051/meca/2012004
   Web of Science ®Google Scholar
• Varela, A. C., & Santos, I. F. (2014). Tilting-pad journal bearings with active lubrication applied as calibrated shakers: Theory and experiment. Journal of Vibration and Acoustics, 136(6), 061010. https://doi.org/10.1115/1.4028452
   Web of Science ®Google Scholar
• Varela, A. C., & Santos, I. F. (2015). Dynamic coefficients of a tilting pad with active lubrication: Comparison between theoretical and experimental results. Journal of Tribology, 137(3), 031704. https://doi.org/10.1115/1.4029943
   Web of Science ®Google Scholar
• Wu, A., & De Queiroz, M. (2010). A new active tilting-pad bearing: Nonlinear modeling and feedback control. Tribology Transactions, 53(5), 755–763. https://doi.org/10.1080/10402001003783199
   Web of Science ®Google Scholar
• Yao, R., Guo, C., Deng, W., & Zhao, H. (2022). A novel mathematical morphology spectrum entropy based on scale-adaptive techniques. ISA transactions, 126, 691–702. https://doi.org/10.1016/j.isatra.2021.07.017
   PubMed Web of Science ®Google Scholar
• Zhao, H., Liu, J., Chen, H., Chen, J., Li, Y., Xu, J., & Deng, W. (2022). Intelligent diagnosis using continuous wavelet transform and gauss convolutional deep belief network. IEEE Transactions on Reliability, 1–11. https://doi.org/10.1109/TR.2022.3180273
   Web of Science ®Google Scholar
• Zhou, X., Ma, H., Gu, J., Chen, H., & Deng, W. (2022). Parameter adaptation-based ant colony optimization with dynamic hybrid mechanism. Engineering Applications of Artificial Intelligence, 114, 105139. https://doi.org/10.1016/j.engappai.2022.105139
   Web of Science ®Google Scholar