COMBINED EFFECT OF TURBULENCE, LOAD ORIENTATION AND ROTOR FLEXIBILITY ON THE PERFORMANCE OF 3-LOBE BEARINGS

被引：3

作者：

MEHTA, NP ^{[1
]}

RATTAN, SS ^{[1
]}

VERMA, A ^{[1
]}

DIMOFTE, F ^{[1
]}

机构：

[1] NASA,LEWIS RES CTR,CLEVELAND,OH 44125

来源：

TRIBOLOGY TRANSACTIONS | 1992年 / 35卷 / 03期

关键词：

D O I：

10.1080/10402009208982152

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A three-lobe journal bearing is analytically investigated to determine its dynamic performance when three main parameters, i.e. turbulence, load orientation, and rotor flexibility are varied. Reynolds numbers up to 12000, rotor dimensionless flexibilities up to 4, and load orientations up to 30 degrees on either side of the vertical load line are considered. Thus, almost all cases of practical interest are studied. The stability of a three-lobe bearing improves due to turbulence at high Sommerfeld numbers (more than 0.6)for a rigid rotor, while it is virtually the same for flexible rotors. Conversely, the load orientation has a pronounced effect on stability for both rigid and flexible rotors.

引用

页码：530 / 536

页数：7

共 19 条

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