考虑热效应的滚滑并存线接触粗糙界面的摩擦能量耗散特性研究

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Abstract The thermal effect of a rolling-sliding coexisting line contact rough interface becomes significant under high speed and heavily loaded working conditions to cause fundamental changes of the system’s dynamic characteristics, wear performance and stability. Here, considering thermal effect, the rolling-sliding coexisting line contact rough interface model was established based on a load sharing idea of total normal load on an interface being shared by a lubrication oil film and a rough interface. The rough surface topography was described using Greenwood-Williamson statistical model. The interface’s energy equation, oil film thickness equation and contact pressure equation were established considering the interface’s thermal effects. The interface’s tempeture field was solved. The influence characteristics of surface rough topography, interface normal load and motion velocity on thermal lubrication oil film thickness and frictional energy dissipation were derived. The results provided a foundation for mechanical structures’ lubration state prediction and the system dynamic performance analysis.

Key words： thermal effect rolling-sliding rough interface frictional energy dissipation

Received: 01 November 2017 Published: 28 February 2019

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	Articles by authors
	XIAO Huifang1
	2
	SUN Yunyun3
	CHEN Zaigang2

Cite this article:

XIAO Huifang1,2,SUN Yunyun3, et al. Frictional energy dissipation features of rolling-sliding coexisting line contact rough interface considering thermal effect[J]. JOURNAL OF VIBRATION AND SHOCK, 2019, 38(5): 229-236.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2019/V38/I5/229

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