汽轮机1040mm末级长叶片气动性能优化研究  

Aerodynamic Performance Optimization of 1040mm Last Stage Blade for Steam Turbine

作　　者：潘春雨 赵洪羽 王洪鹏[1] 李宇峰[1] 管继伟[1] 王丽华[1] PAN Chun-yu;ZHAO Hong-yu;WANG Hong-peng;LI Yu-feng;GUAN Ji-wei;WANG Li-hua(Harbin Turbine Company Limited,Harbin 150046,China)

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2022年第5期351-353,358,共4页Turbine Technology

摘　　要：以1040mm静叶片为研究对象,对二维静叶叶型和三维叶型积叠方式进行优化,CFD数值计算表明,优化后末两级叶片总对静等熵效率提升1.37%,末级叶片根部反动度提升27.8%,1040mm末级长叶片气动性能及变工况能力得到显著提升。In this paper,optimization is carried out for profile and stacking line of the stator.The CFD results indicate that aerodynamic performance and off-design performance of 1040mm last stage blade is significantly enhanced after the optimization,with the isentropic efficiency increasing by 1.37%and degree of reaction near the root increasing by 27.8%.

关 键 词：1040mm叶片 优化 数值计算 气动性能 变工况能力 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]