For the turbine stator cascade, the negative curving of blade can not improve the performance of the cascades as well, the total losses of straight cascade are the lowest.
叶栅中部和端部二次流均增强，总平均的二次流动能增大。对于该叶栅，叶片反弯曲亦不能提高叶栅流场的气动性能，直叶片叶栅总损失最小。
In this paper the effects of gland leakage on the secondary flow and outlet flow fields in the governing stage stator cascade of a 300mw turbine set are simulated numerically.
以一台300 MW汽轮机组的调节级静叶栅为研究对象，就轴封漏汽对叶栅二次流及出口流场的影响进行了数值模拟。
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