AI-Based Mathematical Modeling and Simulation of Thermal Effects in Lubrication of Rolling/Sliding Contacts
DOI:
https://doi.org/10.24203/1y7hz905Keywords:
AI- Mathematical modeling, Non-Newtonian Fluids, Bearing, Lubrication, hydrodynamicsAbstract
In this study, we investigated the thermal effects of non-Newtonian fluids in the lubrication of rollers under rolling or sliding contacts, considering both uniform and non-uniform conditions using advanced AI-based mathematical tools. Our findings indicate that temperature influences stability by slightly shifting the position of the pressure peak away from the center line of the contact. Despite this shift, the pressure peak consistently appears near the exit of the film, regardless of thermal effects. Additionally, the squeezing motion of the surfaces significantly impacts the pressure peak, with both cavitation pressure and temperature increasing as the squeezing velocity decreases.
References
1. Hirst W. and Lewis, M.G., “The rheology of oils during impact” Proc. Roy. Soc. London, Ser. A334 (1973)1.
2. Sinha, P. and Singh C., “Lubrication of cylinder on a plan with a non-Newtonian fluid containing additives and
contaminants” Wear, 81 (1982)33.
3. Sinha, p., Shukla, J.B, Singh, C. and Prasad, K.R., “non-Newtonian lubrication theory for rough surfaces application to
rough and elastic rollers” J. Mech. Engr. Sci., 24 (1982)147.
4. Sinha, P. and Raj, A. “Exponential viscosity variation in the non-Newtonian lubrication of rollers considering cavitation”
wear, 87 (1983) 29.
5. Sinha, P., Shukla, J.B., Prasad, K.R. and Sinha, C., “non-Newtonian power law fluid lubrication of lightly loaded
cylinders with normal and rolling motion” wear, 89 (1983)313.
6. Salem, E.A. , Khalil , M.F. and Bedewi, M.A., “Thermal and inertia effects in externally pressurized spherical bearings
lubricated with non-Newtonian fluids” wear, 91(1983)15.
7. Bush, A.W., Hughes, G.D. and Skinner, P.H., “The influence of surface roughness and non-Newtonian effects in elasto
hydrodynamic lubrication” presented at 10th Leeds/Nyon Symposium on Tribology, Leeds 1984.
8. Rodkiewicz, C.M. and Srinivasan, V., “EHL in rolling and sliding contacts” J.Lub. Tech., 94(1972)324.
9. Cheng, H. S.and Sternlicht, B. “A numerical solution for pressure temperature and film thickness between two infinitely
long lubricated rolling and sliding cylinders,under heavy loads” J. Basic Engr.87 (1965) 695.
10. Shew, S. and Wilsion, W.R.D., “viscoplastic lubrication of asperities” J. Lub. Tech., 104(1982)568.
11. Safar, Z.S., “Journal bearing operating with non-Newtonian lubricating films” wear, 53 (1979) 95.
12. Pascovici, M.D., “Temperature distribution in lubricant film of slider bearing under intensive lubricant wall heat
transfer conditions” Wear, 29 (1974) 227.
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Copyright (c) 2025 Bhupal Kumar, Bimal Kumar, Ashish Narayan, Ayani Nandi
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