Correction for pressure dependence of the refractive index in measurements of lubricant film thickness with image analysis

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology

Volumn 213, Issue 2, 1999, Pages 109-126

  Marklund, O ^a   Gustafsson, L ^a  

^a LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

Image analysis; Interferograms; Lubricant film thickness; Refractive index

Indexed keywords

FILM LUBRICANT; FILM THICKNESS; IMAGING METHOD; MATHEMATICAL MODELING; PRESSURE; REFRACTIVE INDEX;

EID: 0032770919     PISSN: 13506501     EISSN: None     Source Type: Journal    
DOI: 10.1243/1350650991542875     Document Type: Article

References (17)

1. Kirk, M. T. Hydrodynamic lubrication of perspex. Nature, 1962, 194, 965.
2. Cameron, A. and Gohar, R. Theoretical and experimental studies of the oil in lubricated point contact. Proc. R. Soc. Lond. A, 1966, 291, 520-536.
3. Foord, C. A., Wedeven, L. D., Westlake, F. J. and Cameron, A. Optical ehd. Proc. Instn Mech. Engrs, 1969-70, 184(1), 487-505.
4. Weveden, L. D., Ewans, D. and Cameron, A. Optical analysis of ball bearing starvation. Trans. ASME, J. Lubric. Technology, 1971, 93, 349-363.
5. Thorp, N. and Gohar, R. Oil film thickness and shape for a ball sliding in a grooved raceway. Trans. ASME, J. Lubric. Technology, 1972, 94, 199-210.
6. Gustafsson, S. L., Höglund, E. and Marklund, O. Measuring lubricant film thickness with image analysis. Proc. Instn Mech. Engrs, Part J, Journal of Engineering Tribology, 1994, 208, 199-205.
7. Cann, P. M., Hutchinson, J. and Spikes, H. A. The development of a spacer layer imaging method (SLIM) for mapping elastohydrodynamic contacts. STLE Tribology Trans., 1996, 39(4), 915-921.
8. Krupka, I., Hartl, M., Cermak, J. and Liska, M. Elastohydrodynamic lubricant film shape - comparison between experimental and theoretical results. In Tribology for Energy Conservation, Proceedings of the 24th Leeds-Lyon Symposium on Tribology, London, September 1997.
9. Åström, H. and Venner, C. H. Soap thickener induced local pressure fluctuations in a grease lubricated EHD point contact. Proc. Instn Mech. Engrs, Part J, Journal of Engineering Tribology, 1994, 208, 191-198.
10. Åström, H. and Venner, C. H. A multilevel solver for calculation of pressure from measured film thickness in a grease lubricated EHL point contact. Research report, Luleå University of Technology, Sweden.
11. Poulter, C., Ritchey, C. and Benz, C. A. The effect of pressure on the index of refraction of paraffin oil and glycerine. Phys. Rev., 1932, 41, 366-367.
12. Pratt, W. K. Photographic process model. In Digital Image Processing, 1978 (John Wiley, New York).
13. Gonzalez, R. C. and Woods, R. E. Color image processing. In Digital Image Processing, 1992 (Addison-Wesley, Reading, Massachusetts).
14. Paul, G. R. and Cameron, A. An absolute high-pressure microviscometer based on refractive index. Proc. R. Soc. Lond. A, 1971, 331, 171-184.
15. Dowson, D. and Higginson, G. R. Elastohydrodynamic Lubrication: The Fundamentals of Roller and Gear Lubrication, 1966, pp. 88-92 (Pergamon, Oxford).
16. Hamrock, B. J., Jacobson, B. O. and Bergström, S. I. Measurements of the density of base fluids at pressures to 2.2 GPa. ASLE Trans., 1987, 30(2), 196-202.
17. Lindqvist, L. Compressibility and density of lubricants in transient loading. Licentiate thesis, Luleå University of Technology, Luleå, Sweden, 1995.