空冷汽轮机低压缸马刀叶片性能三维数值分析

工程热物理学报 , 2005, 26(z1): 45-48.

1.上海汽轮机有限公司,上海,200240

2.中国科学院工程热物理研究所,北京,100080

3.中国科学院工程热物理研究所,北京,100080

4.上海汽轮机有限公司,上海,200240

5.上海汽轮机有限公司,上海,200240

3D NUMERICAL SIMULATION OF BOWED BLADING IN LOW PRESSURE STEAM TURBINE AT DIFFERENT WORKING CONDITIONS

本文对某空冷汽轮机马刀叶片性能进行了不同工况三维数值分析.计算表明,所计算的低压缸马刀型在设计工况条件下,流动状况良好.在非设计工况,即小流量工况条件下,除第一级静叶以外,其余叶片排都存在大负攻角流动.

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