SYMPOSIA PAPER Published: 01 January 2001
STP10510S

Identification of Boundary Friction Coefficient Under Mixed Lubrication in Block-on-Ring Friction Tester with Aid of Partial EHL Analysis

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This paper describes an estimation method of the boundary friction coefficient of sliding parts under mixed lubrication condition. The boundary friction coefficients in a mixed lubrication regime have been identified by comparing the measured frictional characteristics with the calculated results obtained from the mixed lubrication analysis solving simultaneously the elastohydrodynamic lubrication equations and the contact ones. A block-on-ring friction tester set in a pressure vessel has been developed which is able to measure frictional characteristics in various lubrication conditions and many kinds of atmosphere. The test has been carried out in a refrigerant atmosphere.

Author Information

Tanaka, S
Tokyo Institute of Technology, Tokyo, Japan
Nakahara, T
Tokyo Institute of Technology, Tokyo, Japan
Kyogoku, K
Tokyo Institute of Technology, Tokyo, Japan
Momozono, S
Tokyo Institute of Technology, Tokyo, Japan
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Details
Developed by Committee: D02
Pages: 210–220
DOI: 10.1520/STP10510S
ISBN-EB: 978-0-8031-5453-7
ISBN-13: 978-0-8031-2867-5