According to geometry model characteristic of shaft and cylinder of steam turbine, a finite element method model of shaft and cylinder was set up.

根据汽轮机转子及汽缸的几何模型的特点建立了转子及汽缸的有限元模型。

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Large size parts generally refer to those parts with more than one meter long in each dimension, such as low-pressure cylinder of steam turbine, wing panel of plane and so on.

大型零件通常是指那些在各个维度的尺寸超过一米的零件，比如蒸汽轮机的低压缸体，飞机的机翼壁板以及一些专用零件。

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The fast cooling technology of steam turbine is the process that the cooling medium is used to accelerate the temperature reduction of cylinder and rotor after the shutdown of turbogenerator.

汽轮机快速冷却技术是在汽轮机组停运后，向汽轮机内部通以适量的较低温度的冷却介质，进行强迫对流换热，加快汽缸和转子温降速度的过程。

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