非轴对称端壁设计的高负荷涡轮气热性能研究进展  

Aerothermal Performance Research Progress of High Load Turbines with Non-Axisymmetric Endwall Design

作　　者：李军[1,2] 宋立明 孙皓[3] 郭振东 LI Jun;SONG Li-ming;SUN Hao;GUO Zhen-dong(Institute of Turbomachinery,Xi＇an Jiaotong University,Xi＇an 710049,China;Collaborative Innovation Center of Advanced Aero Engine,Beijing 100191,China;Chongqing General Industry（Group）CO.,LTD,Chongqing 401336,China)

机构地区：[1]西安交通大学叶轮机械研究所,西安710049 [2]先进航空发动机协同创新中心,北京100191 [3]重庆通用工业(集团)有限责任公司,重庆401336

出　　处：《航空发动机》2018年第3期1-11,共11页Aeroengine

基　　金：国家自然科学基金(51776151)资助

摘　　要：非轴对称端壁设计因能够有效地减少涡轮叶栅的二次流损失和提高气动性能而在高负荷涡轮设计中得到应用。简要回顾了涡轮叶栅二次流模型和非轴对称端壁造型方法,重点综述了非轴对称端壁设计的高负荷涡轮气动性能研究进展和抑制端壁二次流的作用机制,介绍了非轴对称端壁设计的高负荷涡轮端壁气热耦合作用的冷却特性研究进展,总结了高负荷涡轮非轴对称端壁设计技术的应用成果,展望了非轴对称端壁设计在高负荷涡轮的高效气动和冷却布局应用方面需要深入研究的内容。Non-axisymmetric endwall is applied in the high load turbine design because of efficient reducing the secondary flow loss and improving the aerodynamic performance of turbine cascade. In this article, the secondary flow model of turbine cascade and methods of non-axisymmetric endwall contouring are briefly introduced, the aerodynamic performance research progress of high load turbine with nonaxisymmetric endwall design and the mechanism of suppressing endwall secondary flow were emphatically reviewed, research progress of the cooling characteristics under function of aerothermal coupling effect of the high load turbine endwall with non-axisymmetric endwall design was presented, application achievements of the high load turbine non-axisymmetric endwall design technique was summarized, and further research of the non-axisymmetric endwall design in the aspect of the high efficient aerodynamic and cooling layout of high load turbine were prospected.

关 键 词：高负荷涡轮 非轴对称端壁 气热性能 试验测量 数值模拟 

分 类 号：V211.6[航空宇航科学与技术—航空宇航推进理论与工程]