Abstract:Steam turbine lubrication has passed through three phases. The first was typified by oils not sufficiently refined for good stability and operating in bearings with insufficient cooling and excessive moisture infiltration from shaft seals. The second phase was initiated by an effort to produce a much more highly refined oil, and this had some unfortunate results in operation due to early breakdown of new oils in the presence of rust from the oil piping, which in turn was the indirect result of over-refining. I… Show more
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