Theoretical and Experimental Investigation on Thermal Characteristics of Railway Double-Row Tapered Roller Bearing

Pengfei Gao, Wuchu Tang, Yunxian Cui, Yuchen Wang, Guowei Mo and Junwei Yin
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Pengfei Gao: School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, China
Wuchu Tang: School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, China
Yunxian Cui: School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, China
Yuchen Wang: School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, China
Guowei Mo: School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, China
Junwei Yin: School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, China

Energies, 2022, vol. 15, issue 12, 1-16

Abstract: The research on the thermal characteristics of railway double-row tapered roller bearing is of great significance for its structural design and operation monitoring. We established the quasi-static mechanical model of the bearing according to the test conditions, and we obtained the load distribution and kinematic parameters of the bearing. We studied the temperature distribution of railway double-row tapered roller bearing under test conditions through finite element analysis, which was consistent with the test results. We built a bearing testbed to study the effects of different rotating speeds on the temperature distribution of the bearing inner ring, outer ring, and roller. The results show that the speed dramatically affects the bearing inner ring. With the rate increase, the temperature difference between the inner and outer rings decreases gradually, and the temperature at the large end of the roller is the highest.

Keywords: railway bearing; adaptive thin-film temperature sensor; temperature distribution; circumferential temperature; radial temperature; axial temperature (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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