Fluid film bearings (FFBs) provide economic wear-free performance when operating in hydrodynamic lubrication regime. In all other operating conditions, except hydrostatic regime, these bearings are subjected to wear. To get wear-free performance even in those conditions, a hybrid (hydrodynamic + rotation magnetized direction (RMD) configured magnetic) bearing has been proposed. The hybrid bearing consists of square magnets to repel the shaft away from the bearing bore. Load-carrying capacities of four configurations of hybrid bearings were determined. The results are presented in this paper. The best configuration of hybrid bearing was developed. A test setup was developed to perform the experiments on the fluid film and hybrid bearings. The wear results of both the bearings under same operating conditions are presented.
Design and Development of Permanent Magneto-Hydrodynamic Hybrid Journal Bearing
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received April 2, 2016; final manuscript received October 14, 2016; published online March 29, 2017. Assoc. Editor: Bugra Ertas.
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Lijesh, K. P., and Hirani, H. (March 29, 2017). "Design and Development of Permanent Magneto-Hydrodynamic Hybrid Journal Bearing." ASME. J. Tribol. July 2017; 139(4): 044501. doi: https://doi.org/10.1115/1.4035153
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