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Influences of Initial DTV on Thermomechnical Coupling in Disc Brake System
Technical Paper
2017-01-2492
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In this paper, the initial disc thickness variation (DTV) of a ventilated disc in automotive brake system is modeled as sinusoidal function of the second order. The transient thermomechanical coupling properties of the brake system is simulated using finite element (FE) modeling. The system models and results were verified by a thermomechanical coupling test of a disc brake conducted on a brake dynamometer. By using varied evaluation indexes such as the temperature distribution, the normal stress and the elastic deformation of disc surfaces, the influences of the initial DTV and its direction as well as its amplitude on the thermomechanical coupling characteristics were analyzed. The simulation results show that the distribution of temperature and the normal stress in circumferential direction exhibit the same sinusoidal function of the second order as the modeled initial DTV property, which is different from the thermomechanical coupling characteristics caused by disc surface initial run-out (LRO). Whereas the thermomechnical coupling property of the disc in circumferential direction exhibit the same sinusoidal function of the second order as that of the initial DTV, the distribution of the temperature, the normal stress and the elastic deformation in radial direction are found to be uniform. The changes in the magnitude of initial DTV are found to have insignificant effects on the changes in the overall thermomechnical coupling property. However, the circumferential gradients of the temperature, the normal stress, and the maximum disc distortion increase linearly with the increase of the magnitude of the initial DTV. The radial gradients of these quantities are not linear proportional to the magnitude of the initial DTV.
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Authors
Citation
Meng, D., Wang, Z., Zhang, L., and Yu, Z., "Influences of Initial DTV on Thermomechnical Coupling in Disc Brake System," SAE Technical Paper 2017-01-2492, 2017, https://doi.org/10.4271/2017-01-2492.Data Sets - Support Documents
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References
- Bogdanovich , P. and Tkachuk , D. Thermal and thermomechanical phenomena in sliding contact Journal of Friction and Wear 30 3 153 163 2009 10.3103/S1068366609030015
- Gao , C. H. , Huang , J. L. , Lin , X.Z. and Tang , X.S. Research statusonheatdynamicsoffrictionand wear for disc-pad braking systems Chinese Journal of Construction Machinery 4 1 83 88 2006 10.15999/j.cnki.311926.2006.01.021
- Lee , K. and Barber , J. R. Frictionally excited thermoelastic instability in automotive disk brakes Journal of Tribology 115 4 607 614 1993
- Panier , S. , Dufrenoy , P. and Weichert , D. An experimental investigation of hot spots in railway disc brakes Wear 256 7-8 764 773 2004 10.1016/S0043-1648(03)00459-9
- Kasem , H. , Brunel , J.F. , Dufrenoy , P. et al. Thermal levels and subsurface damage induced by the occurrence of hot spots during high-energy braking Wear 270 5-6 355 364 2011 10.1016/j.wear.2010.11.007
- Kao , T. K. , Richmond , J. W. and Douarre , A. Brake disc hot spotting and thermal judder: an experimental and finite element study International Journal of Vehicle Design 23 3 276 296 2000
- Hassan , M. , Brooks , P. , and Barton , D. Thermo-Mechanical Contact Analysis of Car Disc Brake Squeal SAE Int. J. Passeng. Cars - Mech. Syst. 1 1 1230 1239 2009 10.4271/2008-01-2566
- Dufrenoy , P. Two-/three-dimensional hybrid model of the thermomechanical behaviour of disc brakes Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 218 1 17 30 2004 10.1243/095440904322804402
- Apte , A. and Ravi , H. FE Prediction of Thermal Performance and Stresses in a Disc Brake System SAE Technical Paper 2006-01-3558 2006 10.4271/2006-01-3558
- Meng , D. J. , Zhang , L. J. and Yu , Z. P. Theoretical Modeling and FEA of Thermo-mechanical Coupling Dynamics of VentilatedDisc Brake Tongji Daxue Xuebao/Journal of Tongji University 38 6 890 897 2010 10.3969/j.issn.0253-374x.2010.06.020
- Lee , K. and Dinwiddie , R. Conditions of Frictional Contact in Disk Brakes and their Effects on Brake Judder SAE Technical Paper 980598 1998 10.4271/980598
- Fieldhouse , J. and Beveridge , C. An Experimental Investigation of Hot Judder SAE Technical Paper 2001-01-3135 2001 10.4271/2001-01-3135
- Meng , D. J. , Zhang , L. J. and Yu , Z. P. Impacts of Initial SRO on Thermo-mechanical Coupling Characteristics of Disc Brake Tongji Daxue Xuebao/Journal of Tongji University 40 2 272 280 2012 10.3969/j.issn.0253-374x.2012.12.020
- Leslie , A. Mathematical Model of Brake Caliper to Determine Brake Torque Variation Associated with Disc Thickness Variation (DTV) Input SAE Technical Paper 2004-01-2777 2004 10.4271/2004-01-2777
- Yin , D. X. , Zhang , L. J. , Ning , G.B. and Yu , Z. P. Rig Test Study on Brake Torque Variation Journal of Vibration,Measurement& Diagnosis 25 2 117 121 2005 10.16450/j.cnki.issn.1004-6801.2005.02.009
- Rudolf Limpert Brake Design and Safety, 3rd edition SAE International 2011 91 99 978-0-7680-3438-7
- Meng , D. , Zhang , L. , and Yu , Z. Influences of Pad Backplate on Thermo-Mechnical Coupling in Disc Brake SAE Technical Paper 2016-01-1354 2016 10.4271/2016-01-1354
- Ruan , C. , Zhang , L. , and Meng , D. A Study on the Bench Test of Friction-Induced Hot Spots in Disc Brake SAE Int. J. Commer. Veh. 8 2 310 315 2015 10.4271/2015-01-2694