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2014 (Vol. 7, Issue: 2)
Article Information:

Thermo-Mechanical Simulation of Brake Disc Frictional Character by Moment of Inertia

Jiguang Chen and Fei Gao
Corresponding Author:  Jiguang Chen 

Key words:  Brake disc, moment of inertia, thermo-mechanical simulation, , , ,
Vol. 7 , (2): 227-232
Submitted Accepted Published
March 12, 2013 April 29, 2013 January 10, 2014

The distribution of temperatures gradient and thermal stress of brake disc has been simulated by FEM code to make brake disc thermal stress more homogenously. In this study, using moment of inertia to simulate the realistic brake process instead of theoretically predefines the train deceleration rate, nonlinear deceleration rate and thermo-mechanical behavior has been revealed. The FEM models build upon LS-DYNAŽ thermo-mechanical code and contact algorithm. Non-uniform temperature alone disc radial direction was caused by severe friction in short time and the low heat transfer coefficient of its material. Parametric analysis for disc brakes have been carried out by comparison of grouped brake applications conform to UIC code, the main factor cause the high temperature gradient and thermal stress of brake disc is brake force and its initial speed.
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  Cite this Reference:
Jiguang Chen and Fei Gao, 2014. Thermo-Mechanical Simulation of Brake Disc Frictional Character by Moment of Inertia.  Research Journal of Applied Sciences, Engineering and Technology, 7(2): 227-232.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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