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An uncertainty investigation for liner impedance eduction methods
《Chinese Journal of Aeronautics》2024年第3期49-59,共11页Weihao SHI Xiaodong JING 
funded by the National Science and Technology Major Project,China(No.2017-II-0008-0022)。
Impedance eduction methods have been developed for decades to meet the increasing need for high-quality impedance data in the design and optimization of acoustic liners.To this end,it is important to fully investigate...
关键词：Impedance eduction Uncertainty analysis Acoustically-induced structural vibration Anti-resonant frequency Perforated liner 
Acoustic scattering mechanism and noise attenuation of circumferentially non-uniform liner with spectral-wave guide method
《Chinese Journal of Aeronautics》2023年第9期63-78,共16页Wei DAI Xuli WANG Xiaoyu WANG Guangyu ZHANG Xiaofeng SUN 
supported by the National Natural Science Foundation of China(No.52106038);the Science Center for Gas Turbine Project of China(No.P2022-B-Π-013-001).
In this paper,a model is established with application of the spectral-wave guide method,which has higher accuracy and can serve as a rapid calculation tool for sound transmission calculations.Based on this calculation...
关键词：Acoustic wave propagation Acoustic scattering Circumferentially nonuniform liner Noise attenuation Non-uniform flow Spectral-wave guide method 
Effects of flow parameters on thermal performance of an inner-liner anti-icing system with jets impingement heat transfer被引量：3
《Chinese Journal of Aeronautics》2021年第9期119-132,共14页Zhiqiang GUO Mei ZHENG Qian YANG Xiaofeng GUO Wei DONG 
co-supported by the National Numerical Wind Tunnel Project(No.NNW2018-ZT2B04);the “973”Program of China(No.2015CB755800)。
The multiple jets impingement heat transfer is widely applied in the wing anti-icing system.It is challenging to apply the similarity criterion to carry out the anti-icing experiments due to the complex flow and heat ...
关键词：Hot air anti-icing system ICING Icing wind tunnel Jets impingement heat transfer Thermal performance 
Investigation of longitudinal aerodynamic parameters identifcation method for fly-by-wire passenger airliners被引量：3
《Chinese Journal of Aeronautics》2013年第5期1156-1163,共8页Wu Zhao Wang Lixin Xu Zijian Tan Xiangsheng 
The flight control system of a fly-by-wire （FBW） passenger airliner with a complex frame-work and high feedback gain augmentation would change the original characteristic of a loaded signal and suppress the excitati...
关键词：CCAR60 Excitation signal design Fly-by-wire passenger air-liner High feedback gain augmentation Identification Longitudinal aerodynamic parameter Simulation validation 
A Passive Method to Control Combustion Instabilities with Perforated Liner被引量：8
《Chinese Journal of Aeronautics》2010年第6期623-630,共8页Li Lei Guo Zhihui Zhang Chengyu Sun Xiaofeng 
National Natural Science Foundation of China (50890181);Aeronautical Science Foundation of China (2009ZB51)
The effectiveness of perforated liner with bias flow on the control of combustion instability is investigated. Combustion instabilities result from the coupling between acoustic waves and unsteady combustion heat rele...
关键词：combustion instabilities combustors perforated liner bias flow resonating frequency 
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