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- W966476265 abstract "汽轮机动静部分摩擦对机组安全是一个极为严重的威胁,轻者造成零部件损坏、转子弯曲、机组效率降低,重者造成整个转子报废。通常,发生摩擦的部位大多在端部汽封、调节级或高压缸中通流部分间隙小的级组内。引起这类事故的原因多是因为动静部分间隙调整不当,启动中温度控制不当,上下缸金属温差大,转子弯曲,或者掉进异物,运行中工况急剧变化或水冲击等造成差胀超标等等。多发生在开、停机和负荷急剧变化的时刻,同时伴随有比较明显的振动增大,异常音响或者停机时惰走时间缩短等现象。这些事故的原因和后果一般比较明显而且直观。但某厂发生的4号机" @default.
- W966476265 created "2016-06-24" @default.
- W966476265 creator A5056690353 @default.
- W966476265 date "1989-01-01" @default.
- W966476265 modified "2023-09-24" @default.
- W966476265 title "N100—90／535型汽轮机第21级叶片根部磨损原因分析" @default.
- W966476265 hasPublicationYear "1989" @default.
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