清漆
降级(电信)
涡轮机
材料科学
油泥
制浆造纸工业
法律工程学
环境科学
复合材料
工程类
机械工程
电子工程
涂层
出处
期刊:Journal of Astm International
[ASTM International]
日期:2006-09-01
卷期号:3 (8): 1-10
被引量:7
摘要
Abstract In recent years, there has been an unusually large number of reported cases associated with varnish and sludge formation in turbine-generator and compressor applications using Group II turbine oil formulations. Explanations for these problems have varied but typically include Group I/Group II incompatibility, additive instability, bulk oil oxidation, adiabatic compressive heating, electrostatic discharge, among others. This paper reviews these failure pathways and discusses actual case history including root cause analysis. Analytical methods for the sludge/varnish and the degraded oil are also reviewed.
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