新型航空发动机测试传感器的发展趋势

Research Trend of New Aero-Engine Measurement Sensors

中文关键词:  航空发动机测试  传感器  高温环境  MEMS技术  光谱技术

英文关键词:aero-engine measurement  sensors  high temperature environment  MEMS technology  spectroscopy

中文摘要:

      新一代航空发动机对测试传感器提出了新的要求，特别是能够在高温环境下正常工作的能力。现有的航空发动机测试传感器已经不能满足该条件，因此迫切需要发展新的技术。概述了可应用于航空发动机测试的新原理及新技术，如MEMS技术、光谱技术等，并详细介绍了燃油品质、温度、叶尖间隙、排放物检测等新型航空发动机测试传感器的一些进展及其发展趋势。

英文摘要:

      New sensing principles and technologies are needed to meet future sensor requirements,which cannot be fulfilled with current sensing principles and technologies,in particular the capability for operation in a high-temperature environment.New sensing principles and technologies are described as candidates for aero-engine measurement,such as MEMS technology and spectroscopy.The development of emerging aero-engine measurement sensors,such as fuel properties,temperature,tip clearance and emission species sensors is introduced.