航空发动机涡轮叶片接触式测温技术应用进展  

Advances in application of contact temperature measurement technology for aero-engine blade

作　　者：胡娜 赵伟 晋小超 范学领[1] HU Na;ZHAO Wei;JIN Xiaochao;FAN Xueling(School of Aerospace Engineering,Xi’an Jiaotong University,Xi’an 710049,China;Laboratory of Strength Transmission Test Technology,AECC Sichuan Gas Turbine Establishment,Mianyang 621000,China)

机构地区：[1]西安交通大学航天航空学院,西安710049 [2]中国航发四川燃气涡轮研究院强度传动试验技术研究室,绵阳621000

出　　处：《航空工程进展》2023年第1期1-12,共12页Advances in Aeronautical Science and Engineering

基　　金：国家科技重大专项(J2019-IV-0003-0070);国家自然科学基金(12102320);中国博士后科学基金(2021M692571)。

摘　　要：航空发动机涡轮叶片测温技术能够揭示涡轮叶片的温度分布情况,对其开展性能评估、失效分析和优化设计具有重要意义。涡轮进口温度的不断提升对应用于航空发动机涡轮叶片的测温技术提出了更高的要求。现有的航空发动机涡轮叶片接触式测温技术可采集叶片表面温度和近表面气流温度,本文主要介绍了三种应用于涡轮叶片的接触式测温技术,包括薄膜热电偶、测温晶体和示温漆,简要说明了三种测温技术的工作原理,归纳了国内外应用现状,总结了各自的优势与不足,并对其发展方向进行了展望。The temperature distribution of turbine blades can be revealed through the measurement,which is valuable for performance evaluation,failure analysis and optimization design of turbine blade.The higher requirement for the temperature measurement technique of aero-engine is put forward by continuously increasing of turbine inlet temperature.Three types of contact temperature measurement technologies for turbine blade are primarily introduced in this paper,including thin film thermocouple,crystal temperature sensor and temperature sensitive paint.The working principles are illustrated briefly.The application status at home and abroad is reviewed.The advantages and drawbacks are summarized,and the development direction of the three temperature measurement technologies is discussed.

关 键 词：航空发动机 涡轮叶片 接触式测温 薄膜热电偶 测温晶体 示温漆 

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]