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http://dx.doi.org/10.9725/kstle.2003.19.2.085

EHL Analysis of the Ball Joint Contact in a Reciprocating Compressor  

김태종 (부산대학교 기계공학부, 기계기술연구소)
Publication Information
Tribology and Lubricants / v.19, no.2, 2003 , pp. 85-93 More about this Journal
Abstract
In this study, a multigrid multi-integration method has been used to solve the steady-state, elastohydrodynamic lubrication (EHL) point contact problem of a ball joint mechanism used in small reciprocating compressors. Pressure and film thickness profiles have been calculated at minimum and maximum Moes M parameter conditions during one revolution of crankshaft. The effects of various lubricant viscosities, loads, ball velocities, elastic modulli, and radii of curvature on the calculated pressure distribution and film thicknesses have been investigated. The results indicate that the viscosity of lubricant, the sliding velocity of ball, and the reduced radius of curvature have considerable effects on the minimum and central film thicknesses. Solutions obtained with the multigrid analysis are compared with results calculated according to the Hamrock ＆ Dowson relations for the minimum and central film thicknesses.
Keywords
reciprocating compressors; ball joint mechanism, elastohydrodynamic lubrication (EHL); multigrid method; pressure profile; minimum and central film thicknesses;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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