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采用数值模拟方法对使用高低齿汽封和侧齿汽封结构的带隔板汽封透平级进行了研究,得到了透平级的级效率、主要气动参数、汽封漏气量等数据,分析了2种不同汽封结构对透平级流动的影响,并对汽封流场中的流动情况进行了分析。
The numerical simulation method was used to study the turbine seal stage with diaphragm seals with high and low tooth seals and side seal seals. The turbine grade efficiency, main aerodynamic parameters, The effects of two different gland seals on the turbine flow were analyzed. The flow in the gas seal flow field was analyzed.