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论文:2023,Vol:41,Issue(1):39-46 |
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引用本文： |
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赵宾宾, 黎先平, 李杰, 张恒. 前缘角冰几何参数对翼型失速特性的影响分析研究[J]. 西北工业大学学报 |
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ZHAO Binbin, LI Xianping, LI Jie, ZHANG Heng. Influence of geometric parameters of leading edge horn-ice on stall characteristics of airfoil[J]. Journal of Northwestern Polytechnical University |
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| 前缘角冰几何参数对翼型失速特性的影响分析研究 |
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| 赵宾宾1,2, 黎先平2, 李杰1, 张恒1 |
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1. 西北工业大学 航空学院, 陕西 西安 710072;
2. 中国商飞上海飞机设计研究院, 上海 201210 |
| 摘要: |
| 前缘角冰不规则凸起特征和几何随机性显著,分离流场特征复杂,导致翼型失速特性发生本质变化的致因机理和关键因素仍未完全明确。针对大型客机适航审定实际需求,基于典型翼型及结冰环境,构造了一族具备不同形貌特征、几何参数彼此关联的角冰冰形。结合数值模拟方法系统分析了翼型失速特性及分离流场特征对冰形高度及角度变化的参数敏感性,归纳了冰形参数改变导致失速过程分离泡发展规律发生变化的本质影响机理,为大型客机的结冰适航取证验证工作提供了更为充分的理论依据。 |
| 关键词:
前缘角冰
翼型
冰形参数
失速特性
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| Influence of geometric parameters of leading edge horn-ice on stall characteristics of airfoil |
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| ZHAO Binbin1,2, LI Xianping2, LI Jie1, ZHANG Heng1 |
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1. School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China;
2. COMAC Shanghai Aircraft Design and Research Institute, Shanghai 201210, China |
| Abstract: |
| The irregular characteristics and geometric randomness of horn-type ice are significant while the behaviors of separation are complex. The mechanism and factor leading to the essential change of stall performance are still not clear. According to actual requirements of airworthiness certification of a large passenger aircraft, a family of horn-type ice shapes with different parameters are constructed based on typical supercritical airfoil and icing environment. By combining with wind tunnel test and numerical simulation methods, the parameter sensitivity of airfoil stall characteristics to the change of ice height and angle is systematically analyzed and the essential influence mechanism of the ice shape parameters leading to the change of separation bubble development under stall process is summarized, which provides a theoretical basis for ice airworthiness certification of large passenger aircraft. |
| Key words:
leading edge horn-ice
airfoil
ice shape parameters
stall performance
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| 收稿日期: 2022-05-19
修回日期:
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| DOI: 10.1051/jnwpu/20234110039 |
| 基金项目: 国家自然科学基金(11972304)与航空科学基金(2019ZA053005)资助 |
| 通讯作者: 李杰(1969-),西北工业大学教授,主要从事设计空气动力学及计算流体力学研究。e-mail:lijieruihao@nwpu.edu.cn
Email：lijieruihao@nwpu.edu.cn |
| 作者简介: 赵宾宾(1985-),西北工业大学博士研究生,主要从事民机结冰研究。
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| 相关功能 |
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| 作者相关文章 |
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| 赵宾宾 在本刊中的所有文章 |
| 黎先平 在本刊中的所有文章 |
| 李杰 在本刊中的所有文章 |
| 张恒 在本刊中的所有文章 |
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