Thermal considerations during transient asperity contact

Yongwoo Lee; Yuwei Liu; J. R. Barber; Yong Hoon Jang

doi:10.1016/j.triboint.2015.08.008

Thermal considerations during transient asperity contact

Yongwoo Lee, Yuwei Liu, J. R. Barber, Yong Hoon Jang

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Finite element results are presented for the total heat exchange between two asperities on opposing sliding rough surfaces during a single transient interaction. Results are also presented for the corresponding maximum (flash) temperature. Dimensional analysis shows that the results can be expressed as functions of a single dimensionless parameter, the asperity Peclet number. This numerical data is closely approximated by simple algebraic expressions, permitting the results to be used in statistical treatments of the rough surface sliding contact problem, based on asperity models.

Original language	English
Pages (from-to)	87-91
Number of pages	5
Journal	Tribology International
Volume	94
DOIs	https://doi.org/10.1016/j.triboint.2015.08.008
Publication status	Published - 2016 Feb 5

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Ltd. All rights reserved.

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.triboint.2015.08.008

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AU - Barber, J. R.

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AB - Finite element results are presented for the total heat exchange between two asperities on opposing sliding rough surfaces during a single transient interaction. Results are also presented for the corresponding maximum (flash) temperature. Dimensional analysis shows that the results can be expressed as functions of a single dimensionless parameter, the asperity Peclet number. This numerical data is closely approximated by simple algebraic expressions, permitting the results to be used in statistical treatments of the rough surface sliding contact problem, based on asperity models.

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Thermal considerations during transient asperity contact

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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