某重型燃气轮机压气机典型级静叶栅气动特性试验研究  

Experimental Research of Aerodynamic Characteristics of the Typical Static Cascade of a Heavy Duty Gasturbine Compressor

作　　者：张春梅 张成义 杜连秀[3] ZHANG Chun-mei;ZHANG Cheng-yi;DU Lian-xiu(HADIAN National Engineering Research Center-Power Equipment Company Ltd.,Harbin 150046,China;Shanghai Power Equipment Research Institute Co.,Ltd.,Shanghai 200240,China;Harbin Turbine Company Limited,Harbin 150046,China)

机构地区：[1]哈电发电设备国家工程研究中心有限公司,哈尔滨150046 [2]上海发电设备成套设计研究院有限责任公司,上海200240 [3]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2023年第6期438-440,460,共4页Turbine Technology

摘　　要：以某重型燃气轮机压气机的典型级静叶为研究对象,设计制造模化比为1.0的扇形叶栅试验件,在亚音速环形叶栅风洞中进行气动特性试验,考察其在不同冲角条件下的气动特性。试验结果表明,叶栅出口截面总压损失系数在叶高方向逐渐变小,径向上同一高度截面,总压损失系数随冲角增加而变大;扩压因子沿叶高逐渐增加,在相同叶高位置,随着冲角由负值向正值增加,扩压因子增大,且一定范围区域的扩压因子超过叶栅许用负荷极限值0.6,存在附面层分离现象。The aerodynamic characteristics under different angle of attack of typical stage static cascade of a heavy duty gas turbine compressor were studied in a subsonic annular cascade wind tunnel,the modeling ratio of the sector cascade for testing is 1.0.The results of test show that the total pressure loss coefficient at the outlet section of the cascade decreases with the blade height direction,and increases with the increase of the incidence angle at the same height section in the radial direction.The diffusion factor increases gradually along the blade,and it increases from negative to positive at the same high position,the boundary layer separation occurred in the scope of a certain region where the diffusion factor more than 0.6.

关 键 词：总压损失系数 扇形叶栅 气动特性 扩压因子 压气机 

分 类 号：TK474.811[动力工程及工程热物理—动力机械及工程]