1. Associate Professor, Tianjin Key Laboratory of Airworthiness and Maintenance of Civil Aircraft, Dept. of Aviation Engineering, Civil Aviation Univ. of China, 2898 Jinbei Rd., Dongli District, Tianjin 300300, PR China.
2. Postgraduate, Tianjin Key Laboratory of Airworthiness and Maintenance of Civil Aircraft, Dept. of Aviation Engineering, Civil Aviation Univ. of China, 2898 Jinbei Rd., Dongli District, Tianjin 300300, PR China (corresponding author).
3. Postgraduate, Tianjin Key Laboratory of Airworthiness and Maintenance of Civil Aircraft, Dept. of Aviation Engineering, Civil Aviation Univ. of China, 2898 Jinbei Rd., Dongli District, Tianjin 300300, PR China.
4. Professor, Laboratory of Light-Duty Gas Turbine, Institute of Engineering Thermophysics, Chinese Academy of Sciences, 11 Beisihuanxi Rd., Beijing 100190, PR China.