Analysis of oil film thickness on a piston ring of diesel engine: Effect of oil film temperature

被引：35

作者：

Harigaya, Y

Suzuki, M

Takiguchi, M

机构：

[1] Utsunomiya Univ, Fac Educ, Dept Technol Educ, Utsunomiya 3218505, Japan

[2] Musashi Inst Technol, Dept Mech Engn, Setagaya Ku, Tokyo 1588557, Japan

来源：

JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 2003年 / 125卷 / 02期

关键词：

D O I：

10.1115/1.1501078

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper describes an analysis of oil film thickness on a piston ring of a diesel engine. The analysis of the oil film thickness has been performed by using Reynolds equation and unsteady, two-dimensional energy equation with heat generated from viscous dissipation. The mean oil film temperature was determined from the calculation of the temperature distribution in the oil field which was calculated using the energy equation. The oil film viscosity was then estimated using the mean oil film temperature. The effect of oil film temperature on the oil film thickness of a piston ring was examined. This model has been verified with published experimental results. Moreover the heat flow at ring and liner surfaces was examined. Results show that the oil film thickness could be calculated using the viscosity estimated from the mean oil film temperature. The calculated values generally agree with the measured values. For higher engine speed conditions, the maximum values of the calculated oil film thickness are larger than the measured values.

引用

页码：596 / 603

页数：8

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