Effects of lubricant viscosity on the experimental response of a three-Mass flexible rotor in two types of journal bearings
作者： R.D. Flack , R.F. Lanes , P.S. Gambel
DOI: 10.1016/0043-1648(81)90104-6
关键词: Stability (probability) 、 Mechanics 、 Sommerfeld number 、 Geotechnical engineering 、 Rotor (electric) 、 Viscosity 、 Stability map 、 Bearing (mechanical) 、 Instability 、 Lubricant 、 Materials science
摘要: Abstract Preloaded three-lobe and pressure dam bearings were tested with a three-mass flexible rotor. The oil viscosity was varied. resulting changes in the instability threshold measured found to depend markedly on viscosity. Data compared theoretical stability map predictions. data typically 50% higher than predicted for bearing within ±30% bearing. Although predictions are not quantitatively correct, correct trends predicted, i.e. experimental maps show same thresholds as functions of Sommerfeld number.
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sci-hub.se 参考文章(19)
Donald F. Wilcock, E. Richard Booser, Bearing design and application : McGraw-Hill. ,(1957)
A. G. Holmes, C. M. McC. Ettles, I. W. Mayes, The Dynamics of Multi-Rotor Systems Supported on Oil Film Bearings Journal of Mechanical Design. ,vol. 100, pp. 156- 164 ,(1978) , 10.1115/1.3453880
B. J. Hamrock, W. J. Anderson, Rayleigh Step Journal Bearing, Part II—Incompressible Fluid Journal of Lubrication Technology. ,vol. 91, pp. 641- 650 ,(1969) , 10.1115/1.3555017
J. W. Lund, Stability and Damped Critical Speeds of a Flexible Rotor in Fluid-Film Bearings Journal of Engineering for Industry. ,vol. 96, pp. 509- 517 ,(1974) , 10.1115/1.3438358
C. F. Kettleborough, An Approximate Analytical Solution for the Stepped Bearing Journal of Applied Mechanics. ,vol. 28, pp. 507- 510 ,(1961) , 10.1115/1.3641775
P. E. Allaire, J. C. Nicholas, E. J. Gunter, Systems of Finite Elements for Finite Bearings Journal of Lubrication Technology. ,vol. 99, pp. 187- 194 ,(1977) , 10.1115/1.3453016
Malcolm E. Leader, Ronald D. Flack, Paul E. Allaire, Experimental Study of Three Journal Bearings with a Flexible Rotor Tribology Transactions. ,vol. 23, pp. 363- 369 ,(1980) , 10.1080/05698198008982980
J. Tonnesen, J. W. Lund, Some Experiments on Instability of Rotors Supported in Fluid-Film Bearings Journal of Mechanical Design. ,vol. 100, pp. 147- 155 ,(1978) , 10.1115/1.3453879
D. F. Li, K. C. Choy, P. E. Allaire, Stability and Transient Characteristics of Four Multilobe Journal Bearing Configurations Journal of Lubrication Technology. ,vol. 102, pp. 291- 298 ,(1980) , 10.1115/1.3251514
J. Glienicke, Paper 13: Experimental Investigation of the Stiffness and Damping Coefficients of Turbine Bearings and Their Application to Instability Prediction: Proceedings of the Institution of Mechanical Engineers, Conference Proceedings. ,vol. 181, pp. 116- 129 ,(1966) , 10.1243/PIME_CONF_1966_181_038_02