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Research on the Lubrication Performance of Crankshaft Bearing under Different Engine Operating Conditions
Technical Paper
2018-01-0979
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The actual engine (especially vehicle engine) does not always operate under rated operating condition and its operating condition changes constantly. However, only the lubrication performance of crankshaft bearing at rated engine operating condition has been generally analyzed in current design and research of engine crankshaft bearing. In this paper, a four-stroke four-cylinder engine is taken as the studying object, the load and lubrication of crankshaft bearing under different operating conditions are analyzed systematically and comprehensively. The load of connecting-rod bearing is calculated by the dynamic calculation method, the loads of all crankshaft main bearings are calculated by the whole crankshaft solid-element finite element method, and the lubrication performance of crankshaft bearings are analyzed by the dynamic method. The results show that there are major differences in the changes and numerical value at corresponding moment of the loads and lubrication performance of crankshaft bearings in an engine operating cycle under different engine operating conditions; the most unfavorable case of the lubrication performance of crankshaft bearings may not take place in the rated engine operating condition. There are also major differences between the lubrication performance of connecting-rod bearing and that of main bearing and between the lubrication performances of main bearings one another. Therefore, it will not be reasonable that the lubrication performance of a certain crankshaft bearing (connecting-rod bearing or one main bearing) is analyzed in the design of engine crankshaft bearing. It is necessary to analyze simultaneously the lubrication performances of all crankshaft bearings under different engine operating conditions.
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Ren, Y., Sun, J., Li, B., Fu, Y. et al., "Research on the Lubrication Performance of Crankshaft Bearing under Different Engine Operating Conditions," SAE Technical Paper 2018-01-0979, 2018, https://doi.org/10.4271/2018-01-0979.Data Sets - Support Documents
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References
- Singh , D.V. , Sinhasan , R. , and Pal , R. Performance Characteristics of an Ungrooved Big-End Bearing with Misalignment Tribology Transactions 32 234 238 1989
- Paranjpe , R.S. and Goenka , P.K. Analysis of Crankshaft Bearings Using a Mass Conserving Algorithm Tribology Transactions 33 333 344 1990
- Aitken , M.B. and McCallion , H. Elastohydrodynamie Lubrication of Big-End Bearings Part 2 Ratification Proc IMechE Part C: Journal of Mechanical Engineering Science 205 107 119 1991
- Vijayaraghavan , D. , Brewe , D.E. , and Keith , T.G. Effect of Out-Of-Roundness on the Performance of a Diesel Engine Connecting-Rod Bearing ASME Journal of Tribology 115 538 543 1993
- Bonneau , D. , Guines , D. , and Frêne , J. EHD Analysis, Including Structural Inertia Effects and a Mass-Conserving Cavitation Model ASME Journal of Tribology 117 540 547 1995
- Paranjpe , R.S. A Study of Dynamically Loaded Engine Bearings Using a Transient Thermohydrodynamic Analysis Tribology Transactions 39 3 636 644 1996
- Xu , H. and Crooks , C.S. A Study of the Behavior of Connecting Rod Bearings Using an EHL Predictive Tool SAE Technical Paper 970217 1997 10.4271/970217
- Thierry , G. , Dominique , B. , and Christian , G. Three-Dimensional EHD Behavior of the Engine Block/Crankshaft Assembly for a four Cylinder Inline Automotive Engine ASME Journal of Tribology 121 4 721 730 1999
- Piffeteau , S. , Souchet , D. , and Bonneau , D. Influence of Thermal and Elastic Deformations on Connecting-Rod Big End Bearing Lubrication under Dynamic Loading ASME Journal of Tribology 122 181 191 2000
- Mourelatos , Z.P. An Efficient Journal Bearing Lubrication Analysis for Engine Crankshafts Tribology Transactions 44 351 358 2001
- Mustapha , L. , Djamel , F. , and Daniel , N. The Effect of Misalignment on Performance Characteristics of Engine Main Crankshaft Bearings European Journal of Mechanics A/Solids 21 703 714 2002
- Souchet , D. , Hoang , L.V. , and Bonneau , D. Thermoelastohydrodynamic Lubrication for the Connecting Rod Big-End Bearing under Dynamic Loading Proc IMechE Part J: Journal of Engineering Tribology 218 451 464 2004
- Bukovnik , S. , Dörr , N. , Caika , V. et al. Analysis of Diverse Simulation Models for Combustion Engine Journal Bearings and the Influence of Oil Condition Tribology International 39 820 826 2006
- Tabrizi , A.A. and Kakaei , A.H. Different Simulation Models of Connecting Rod Hydrodynamic Bearing SAE Technical Paper 2009-01-1863 2009 10.4271/2009-01-1863
- Choi , J. , Kim , S.S. , Rhim , S.S. , and Choi , J.H. Numerical Modeling of Journal Bearing Considering Both Elastohydrodynamic Lubrication and Multi-Flexible-Body Dynamics International Journal of Automotive Technology 13 2 255 261 2012
- Singh , H. and Sen , S.S. Wear in Hydrodynamic Journal Bearings: A Review International Journal of Modern Engineering Research 4 8 45 57 2014
- Farfan-Cabrera , L.I. and Gallardo-Hernandez , E.A. Wear Evaluation of Journal Bearings Using an Adapted Micro-Scale Abrasion Tester Wear 376-377 1841 1848 2017
- Vencl , A. and Rac , A. Diesel Engine Crankshaft Journal Bearings Failures: Case Study Engineering Failure Analysis 44 217 228 2014
- Choi , J. , Kim , S.S. , Rhim , S.S. , and Choi , J.H. Numerical Modeling of Journal Bearing Considering both Elastohydrodynamic Lubrication and Multi-Flexible-Body Dynamics International Journal of Automotive Technology 13 2 255 261 2012
- Sun , J. , Wang , J. , and Gui , C. Whole Crankshaft Beam-Element Finite-Element Method for Calculating Crankshaft Deformation and Bearing Load of an Engine Proc IMechE Part J: Journal of Engineering Tribology 224 299 303 2009
- Stachowiak , G.W. and Batchelor , A.W. Engineering Tribology Burlington Elsevier Butterworth-Heinemann 2005
- Hamrock , B.J. , Schmid , S.R. , and Jacobson , B. Fundamentals of Fluid Film Lubrication, Second Edition New York Mercel Dekker Inc. 2004
- Sun , J. , Zhao , X.Y. , and Wang , H. Lubrication Analysis of Crankshaft Bearing Considering Crankshaft Deformation SAE Technical Paper 2011-01-0613 2011 10.4271/2011-01-0613