单通道窄体客机气动力设计技术分析
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    摘要:

    气动力设计是单通道窄体客机的重大关键技术,对飞机性能影响重大。初步梳理和简要分析窄体客机的气动力设计技术,主要方法是典型机型的实例研究和相关数据统计分析和对比,内容包括机翼气动力设计、增升装置、翼梢小翼、CFD技术应用等。机翼气动力设计分析部分首先概述设计重要性和要求;之后给出典型飞机机翼气动力设计实例及主要参数统计数据,包括翼型、平面形状、飞机性能参数等;列出机翼内段-翼根区域气动设计、短舱吊挂机翼一体化设计等设计研究课题并简析。增升装置部分首先分析设计难点和问题,之后统计分析波音737和A320各代机型的增升装置设计,包括前缘后缘增升装置类型和主要参数等。翼梢小翼部分给出融合式小翼、双羽小翼减阻数据和展向升力分布改善图。最后简要介绍了波音公司、空中客车公司和我国CFD技术发展应用情况。

    Abstract:

    Aerodynamics design is one of critical technologies for single-aisle narrow body airliner (SANBA), which has a significant impact on aircraft performance. Aerodynamics design technologies of SANBA were summarized and analyzed preliminarily. The main methods are case study of typical aircraft and statistical analysis and comparison of relevant data, including wing aerodynamic design, high lift device, winglets, CFD technologies, etc. In the part of wing aerodynamic design and analysis, the importance and requirements of the design were summarized firstly; then, the aerodynamic design examples of typical aircraft wing and the statistical data of main parameters were given, including airfoil, plane shape and aircraft performance parameters; the design and research topics of the aerodynamic design for the inner part of the wing-wing root area, the integrated design of the nacelle-hang-wing were listed and analyzed. In the lift device, design difficulties and problems were analyzed firstly, and then the high lift device design of Boeing 737 and A320 generations was statistically analyzed, including the type and the main parameters of leading edge and trailing edge lifting device. In the winglet section, the drag reduction data of fusion winglet and double-feathered winglet and the improved spanwise lift distribution were presented. Finally, the development and application of CFD technology in Boeing, Airbus and China were briefly introduced.

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赵长辉,宋凯,王猛,等.单通道窄体客机气动力设计技术分析[J].民用飞机设计与研 究,2021(1):56-63ZHAO Changhui, SONG Kai, WANG Meng, et al.[J]. Civil Aircraft Design and Research,2021,(1):56-63. ( in Chinese)

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  • 在线发布日期: 2021-04-07
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