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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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汽轮机高、中压转子振动的有限元法模态分析
, PP. 105-105
Keywords: 亚临界,300mw机组,汽轮机,高压转子,中压转子,共振,模态分析,ansys软件
Abstract:
针对汽轮机高、中压转子的共振问题,结合某亚临界300mw机组汽轮机高、中压转子的结构特点,对该转子振动进行模态分析,采用数值仿真有限元软件ansys,计算得出该转子的前6阶固有频率及其临界转速。结果显示:汽轮机的工作转速(3000r/min)一般不会达到转子的后3阶临界转速,因此转子在后3阶不会出现共振现象;在实际运行中,当转子工作转速经过前3阶时,应快速通过并远离此时的临界转速避免转子发生共振。
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