Three-Dimensional Global Stability Analysis and Bio-Mimetic Control of Buffet Phenomena via Wings with Wavy Leading and Trailing Edges

波状前缘和后缘机翼抖振现象的三维全局稳定性分析与仿生控制

• 批准号: 20K14953
• 负责人: Andrea Sansica
• 金额: $ 2.33万
• 依托单位: Japan Aerospace EXploration Agency
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Early-Career Scientists
• 财政年份: 2020
• 资助国家: 日本
• 起止时间: 2020-04-01 至 2024-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-20K14953/
• 关键词: bio-mimetic control; shock-oscillations; instability; transonic flows; Transonic buffet control; Global stability; Machine-learning; System identification; Bio-mimetic flow control; Transonic buffet; Buffet onset prediction; Buffet control; Tr

Transonic buffet is an instability characterized by periodic self-sustained shock-oscillations that occur on aircraft wings at transonic conditions for increasing angles of attack. Controlling and suppressing buffet can have a significant impact in improving the aircraft overall performance and safety. To control buffet, we here proposed wings with wavy leading- and trailing edges, in the attempt to mimic the performance enhancement capabilities of the humpback whale pectoral fins. The effects of wavy leading- and trailing-edges was first tested on periodic (infinitely wide) wings at buffet conditions and it was found that wavy leading-edges are successful in suppressing the instability, while wavy trailing-edges have little or not effect. Wavy leading-edges have therefore been applied to finite wings at buffet conditions and the effect of different characteristic parameters (i.e. waviness amplitude and wavelength, waviness spanwise starting location) has been investigated. Wavy leading-edges on finite wings seem to be less effective in suppressing buffet, but the amplitude of the shock-oscillations is anyway reduced.

跨音速抖振是一种不稳定性，其特征是在跨音速条件下飞机机翼上发生的周期性自持激波振荡。控制和抑制抖振对提高飞机的总体性能和安全性具有重要影响。为了控制抖振，我们在这里提出了波浪形的前缘和后缘的机翼，试图模仿座头鲸胸鳍的性能增强能力。波浪形前缘和后缘的影响首先在抖振条件下对周期性（无限宽）机翼进行了试验，结果发现，波浪形前缘在抑制不稳定性方面是成功的，而波浪形后缘的影响很小或没有影响。因此，在抖振条件下，将波浪形前缘应用于有限机翼，并研究了不同特性参数（即波度振幅和波长、波度展向起始位置）的影响。在有限长机翼上，波浪形前缘在抑制抖振方面似乎不太有效，但无论如何，激波振荡的幅度是减小的。

项目成果

Turbulent transonic buffet onset prediction on the NASA Common Research Model via global stability analysis

通过全球稳定性分析对 NASA 共同研究模型进行湍流跨音速抖振爆发预测

• 发表时间: 2022
• 期刊: 12th International Symposium on Turbulence and Shear Flow Phenomena (TSFP12)
• 作者: Omata Noriyasu;Satoh Daiwa;Tsutsumi Seiji;Kawatsu Kaname;Abe Masaharu;Sansica Andrea and Hashimoto Atsushi
• 通讯作者: Sansica Andrea and Hashimoto Atsushi

Turbulent transonic buffet onset prediction on the NASA Common Research Model via global stability analysis: From Wind Tunnel to Flight Reynolds Numbers

通过全球稳定性分析对 NASA 通用研究模型进行湍流跨音速抖振爆发预测：从风洞到飞行雷诺数

• DOI: 10.2514/6.2023-1989
• 发表时间: 2023
• 期刊: AIAA Scitech Forum 2023
• 作者: Bianchi Daniele;Migliorino Mario Tindaro;Rotondi Marco;Kamps Landon;Nagata Harunori;尾亦範泰，佐藤大和 ，平林美樹，堤誠司，河津要，安部賢治;Sansica Andrea and Hashimoto Atsushi
• 通讯作者: Sansica Andrea and Hashimoto Atsushi

HESAM University/F-75013 Paris, France(フランス)

HESAM 大学/F-75013 巴黎，法国（法国）

Side-Wall Effects on the Global Stability of Swept and Unswept Supercritical Wings at Buffet Conditions

自助条件下后掠和非后掠超临界机翼整体稳定性的侧壁效应

• DOI: 10.2514/6.2022-1972
• 发表时间: 2022
• 期刊: AIAA paper
• 作者: Sansica Andrea;Hashimoto Atsushi;Koike Shunsuke;Kouchi Toshinori
• 通讯作者: Kouchi Toshinori

System Identification of Two-Dimensional Transonic Buffet

• DOI: 10.2514/1.j061001
• 发表时间: 2022-02
• 期刊: AIAA Journal
• 影响因子: 2.5
• 作者: A. Sansica;Jean-Christophe Loiseau;Masashi Kanamori;A. Hashimoto;J. Robinet