某型低压涡轮导向器叶栅改型实验研究

工程热物理学报 , 2005, 26(z1): 73-76.

1.哈尔滨工业大学能源科学与工程学院,黑龙江,哈尔滨,150001

2.哈尔滨工业大学能源科学与工程学院,黑龙江,哈尔滨,150001

3.哈尔滨工业大学能源科学与工程学院,黑龙江,哈尔滨,150001

4.哈尔滨工业大学能源科学与工程学院,黑龙江,哈尔滨,150001

5.哈尔滨工业大学能源科学与工程学院,黑龙江,哈尔滨,150001

EXPERIMENTAL STUDIES ON THE MODIFICATION OF STATOR IN AN LP TURBINE

实验研究了不同冲角下子午流道具有较大扩张角的某型低压涡轮导向器原型和改型叶栅的气动性能.结果表明,通过改变端壁型线扩张规律及三维叶型积迭线,改型叶片表面静压分布更加合理,叶栅的流动损失显著减小,流场结构得到明显改善,叶栅气动性能的提高表明改型是成功而且有效的.

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