不同参数对带粗糙冰翼型绕流流场结构影响的实验研究

doi:10.16183/j.cnki.jsjtu.2022.149

上海交通大学学报 ›› 2023, Vol. 57 ›› Issue (9): 1221-1230.doi: 10.16183/j.cnki.jsjtu.2022.149

所属专题：《上海交通大学学报》2023年“航空航天”专题

• 航空航天 • 上一篇

不同参数对带粗糙冰翼型绕流流场结构影响的实验研究

郑诚毅¹, 杜旭之¹, 东乔天², 杨志刚³, 熊兵⁴, 徐毅⁴, 吴凌昊⁴, 金哲岩¹^,³()

1.同济大学航空航天与力学学院,上海 200092
2.中国商用飞机上海飞机设计研究院, 上海 201203
3.上海市地面交通工具空气动力与热环境模拟重点实验室, 上海 201804
4.中国航发四川燃气涡轮研究院,四川绵阳, 621000

收稿日期:2022-05-07 修回日期:2022-06-19 接受日期:2022-06-30 出版日期:2023-09-28 发布日期:2023-09-27
通讯作者: 金哲岩 E-mail:zheyanjin@tongji.edu.cn
作者简介:郑诚毅(1993-),博士生,主要研究方向为飞行器结冰机理.
基金资助:
国家数值风洞工程项目(NNW2019ZT2-B26);结冰与防除冰重点实验室开放课题(AIADL20180102)

Experimental Study of Influence of Different Parameters on Flow Field Structures Around an Airfoil Covered with Rough Ice

ZHENG Chengyi¹, DU Xuzhi¹, DONG Qiaotian², YANG Zhigang³, XIONG Bing⁴, XU Yi⁴, WU Linghao⁴, JIN Zheyan¹^,³()

1. School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China
2. COMAC Shanghai Aircraft Design and Research Institute, Shanghai 201203, China
3. Shanghai Key Lab of Vehicle Aerodynamics and Vehicle Thermal Management Systems, Shanghai 201804, China
4. AECC Sichuan Gas Turbine Establishment, Mianyang 621000, Sichuan, China

Received:2022-05-07 Revised:2022-06-19 Accepted:2022-06-30 Online:2023-09-28 Published:2023-09-27
Contact: JIN Zheyan E-mail:zheyanjin@tongji.edu.cn

摘要/Abstract

摘要：

粗糙冰会改变翼型前缘轮廓从而影响翼型整体的气动特性.研究过冷大水滴结冰条件下产生的粗糙冰对翼型绕流流场结构的影响可以为飞机的防/除冰设计提供参考.利用粒子图像测速技术在低速直流风洞内对表面覆盖粗糙冰的翼型模型的绕流流场结构开展了详细的实验测量研究,主要探究了粗糙冰对涡量和标准化雷诺应力分布的影响.研究参数包括雷诺数、粗糙冰的粗糙度和翼型的攻角.结果表明:随着雷诺数增大,带冰翼型尾流处的涡量范围和数值增大,标准化雷诺应力值略微减小;粗糙冰的存在降低了翼型近壁面处气流速度,增加了尾流的涡量并严重影响切应力分布;与光滑翼型相比,粗糙冰会使气流提前分离,且分离泡内的气流速度波动更剧烈.

关键词: 雷诺数, 过冷大水滴, 粗糙冰, 攻角, 绕流流场结构

Abstract:

Rough ice can change the leading edge of airfoil and affect the aerodynamic characteristics. Studying the influence of rough ice caused by supercooled water droplets can provide reference for anti-icing design of aircrafts. A detailed experimental study was conducted to measure the flow field structure of an airfoil model with rough ice in a low-speed wind tunnel by using particle image velocimetry. The parameters include Reynolds number, roughness of rough ice, and angle of attack. The results show that with the increase of Reynolds number, the range and value of spanwise vorticity at the wake of the airfoil with ice increased, while the normalized Reynolds stress decreased slightly. The presence of rough ice reduced the airflow velocity near the airfoil, increased the vorticity of wake, and seriously affected the shear stress distribution. Compared with the clean airfoil, the rough ice caused the air flow to separate earlier and the velocity in the separation bubble fluctuated more violently.

Key words: Reynolds number, supercooled large droplet, rough ice, angle of attack, flow field structure

中图分类号:

V211

郑诚毅, 杜旭之, 东乔天, 杨志刚, 熊兵, 徐毅, 吴凌昊, 金哲岩. 不同参数对带粗糙冰翼型绕流流场结构影响的实验研究[J]. 上海交通大学学报, 2023, 57(9): 1221-1230.

ZHENG Chengyi, DU Xuzhi, DONG Qiaotian, YANG Zhigang, XIONG Bing, XU Yi, WU Linghao, JIN Zheyan. Experimental Study of Influence of Different Parameters on Flow Field Structures Around an Airfoil Covered with Rough Ice[J]. Journal of Shanghai Jiao Tong University, 2023, 57(9): 1221-1230.

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参考文献 24

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目数	Rz/μm	型号
150	185.6	—
180	158.0	R1
220	131.4	R2
240	124.6	—
280	119.4	R3
320	119.0	—
360	94.6	R4
400	97.4	—

粗糙冰	气流速度/(m·s^-1)	最大值位置(X/C×100)
R1	14.810	-30.044
R2	15.160	-16.338
R3	14.460	-45.700
R4	15.659	-16.338
光滑翼型	16.409	-13.400

粗糙冰	左极限 (X/C×100)	右极限 (X/C×100)	分离泡宽 (X/C×100)
光滑翼型	-125.762 5	-19.062 5	106.700 0
R4	-120.868 8	-18.087 5	102.781 3

不同参数对带粗糙冰翼型绕流流场结构影响的实验研究

Experimental Study of Influence of Different Parameters on Flow Field Structures Around an Airfoil Covered with Rough Ice

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