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根据板壳理论,建立了拱型围带的力学模型,给出了拱型围带的强度计算方法。并以N210—130/535/535型汽轮机的拱型围带为例进行了计算,与拱型围带的光弹性试验结果进行了比较。
According to the plate shell theory, the mechanical model of arcuate shroud is established, and the calculation method of the arcuate shroud strength is given. The arched shrouds of N210-130 / 535/535 turbines are taken as an example to calculate the results. The results are compared with the results of the photoelastic test of arcuate shrouds.