提出并建立一套高精度、高流速、高频、高效的声衬声阻抗提取实验方法+平台,覆盖航发风扇0.2-10kHz主要频率范围,打破NASA方法3kHz上限,效率提高2-3个量级,且测点数量大幅减少。提出一种针对航空发动机圆/环管、有限长、局域/非局域两大类声衬的高效解析设计方法,揭示了有限长耗散型声衬的降噪机理。发展航空发动机先进多自由度金属丝网宽频、线性、低流阻声衬新构型,研究其高声强效应、掠流效应、宽频特性等并建立声阻抗模型。
[1]Qiu XH*, Yang J, Jing XD*, Du L*, Sun XF. Mirror-based multimodal straightforward method for impedance eduction using a zigzag array [J]. Journal of Sound and Vibration, 2024, 576: 118237.
[2]Qiu XH, Du L, Jing XD*, Sun XF. Acoustic effect of wire mesh liners subjected to grazing flow [J]. Journal of Sound and Vibration, 2024, 582: 118425.
[3]Wang YJ, Du L, Qiu XH*, Lyu Yiang, Jing XD, et.al. Study on multi-degree-of-freedom septum liners for broadband noise reduction [J]. Applied Acoustics, 2024.
[4]邱祥海, 杜林*, 孙晓峰. 航空声衬声阻抗实验提取技术研究进展[J]. 实验流体力学, 2024, 38(3): 1-19.
[5]Zhang J, Du L, Qiu XH*, Sun XF, Axial wavenumber-merging design method for finite-length liners[J]. Journal of Sound and Vibration, 2023, 565: 117896.
[6]Jing XD, Wang YJ, Du L, Qiu XH*, Sun XF. Impedance eduction experiments covering higher frequencies based on the multimodal straightforward method [J]. Applied Acoustics, 2023, 106: 109327.
[7]廖峻锋, 景晓东, 邱祥海*, 翟勇磊, 岳喜山, 马双超, 杜林*, 孙晓峰. 新型航空金属丝网声衬掠流特性实验研究[J]. 航空学报, 2023, 44(21): 528537.
[8]Qiu XH, Jing XD*, Du L, Yang J, Sun XF, Zhang XW. Nonlinear effect of wire mesh liners subjected to high sound pressure level[J]. AIAA Journal, 2022, 60: 5521-5532.
[9]Qiu XH, Jing XD, Du L*, Sun XF, Åbom M, Bodén H. Mode-merging design method for nonlocally reacting liners with porous materials [J]. AIAA Journal, 2020, 58(6): 2533-2545.
[10]Qiu XH, Du L*, Jing XD, Sun XF, Åbom M, Bodén H. Optimality analysis of bulk-reacting liners based on mode-merging design method [J]. Journal of Sound and Vibration, 2020, 485: 1-20.
[11]Qiu XH, Du L*, Jing XD, Sun XF. The Cremer concept for annular ducts for optimum sound attenuation [J]. Journal of Sound and Vibration, 2019, 438: 383-401.
[12]Qiu XH, Xin B, Jing XD*. Straightforward impedance eduction method for non-grazing incidence wave with multiple modes [J]. Journal of Sound and Vibration, 2018, 432: 1-16.
[13]Qiu XH Xin B, Wu L, Meng Y, Jing XD*. Investigation of Straightforward Impedance Eduction Method and Single Degree Of Freedom Acoustic Liners [J]. Chinese Journal of Aeronautics, 2018, 31(12): 2221-2233.