带锯齿形叶冠叶片冷热态尺寸换算方法  

Dimension Conversion Method of Zigzag Shrouded Blade from Hot to Cold State

作　　者：杨坤 徐颖[1] 漆文凯[1] 崔海涛[1] 张宏建[1] YANG Kun;XU Ying;QI Wenkai;CUI Haitao;ZHANG Hongjian(College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)

机构地区：[1]南京航空航天大学能源与动力学院,江苏南京210016

出　　处：《机械制造与自动化》2024年第3期94-98,共5页Machine Building & Automation

摘　　要：介绍涡轮叶片叶身与叶冠的冷热态尺寸换算原理。以优化设计方式建立带锯齿形叶冠叶片的冷热态尺寸换算方法,并以某型带冠涡轮叶片为例,完成带冠涡轮叶片从热态尺寸到冷态尺寸的换算。结果表明:所建立的带锯齿形叶冠叶片冷热态尺寸换算方法精确可靠,为其他典型涡轮部件的冷热态尺寸换算提供了参考。Based on the introduction of the size conversion principle from hot to cold state of turbine blade body and shroud,this paper establishes the size conversion method of a zigzag shrouded blade from hot to cold state is carried out with optimal design.A certain type of shrouded turbine blade is taken as an example to conduct the conversion from hot size to cold size of turbine blade.The results show that the established method is accurate and reliable,providing a reference for other typical turbine components.

关 键 词：锯齿冠 涡轮叶片 尺寸换算 优化设计 

分 类 号：V232.4[航空宇航科学与技术—航空宇航推进理论与工程]