民机大气扰动适航符合性评估方法研究
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余艺萌,女,硕士,助理工程师。主要研究方向:飞行力学与飞行安全、飞行仿真。E-mail:332744306@qq.com

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余艺萌,E-mail:332744306@qq.com

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V328

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Research on airworthiness evaluation method of civil aircraft with atmospheric disturbance
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    摘要:

    大气扰动是影响航空安全的重要因素,在适航条例中多有涉及,对民用飞机进行大气扰动适航符合性评估是民机适航取证的重要一环。基于我国《运输类飞机适航标准》,筛选归纳大气扰动适航条例,深入分析、细化其中与飞机操稳特性相关的大气扰动适航条款要求,依据美国军用飞行品质规范MIL-STD-1797A提炼并量化条款指标,使用操纵品质等级评定方法(HQRM),以严重程度与发生概率相关联的形式考虑大气扰动影响,通过算例验证量化指标与HQRM方法在进行相关适航条款符合性评估中的适用性和有效性,提出一种将大气扰动定义为使飞行品质降级的因素,结合量化指标对飞机相应飞行品质要求做出规定的评估形式,为飞机研制阶段的大气扰动适航符合性分析验证和相关条款的适航审定工作提供参考。

    Abstract:

    Atmospheric disturbance is an important factor that affects aviation safety, which is mostly involved in airworthiness regulations. The airworthiness compliance assessment of atmospheric disturbance for civil aircraft has become an important part of civil aircraft airworthiness certification. Based on CCAR-25-R4,the airworthiness clauses of atmospheric disturbances were screened and summarized, the requirements of the airworthiness clauses of atmospheric disturbances related to handling stability characteristics were deeply analyzed and refined. Then the clause requirements were refined and quantified according to the military flight quality specification MIL-STD-1797B, and the control quality rating method (HQRM) was used dealing with the influence of atmospheric disturbance,which means the impact of atmospheric disturbance was considered in the form of correlation between the severity and the probability of occurrence. The applicability and effectiveness of the quantitative index and the HQRM method for the compliance assessment of the relevant airworthiness clauses were verified through calculation examples, and a method was proposed that defining the atmospheric disturbance as a factor that degrades the flight quality, combined with the quantitative index to make the corresponding flight quality requirements. Research result provides reference for the airworthiness compliance analysis and verification of atmospheric disturbance and the airworthiness certification work of relevant provisions during the aircraft design phase.

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余艺萌,陈致名.民机大气扰动适航符合性评估方法研究[J].民用飞机设计与研 究,2022(1):151-156YU Yimeng, CHEN Zhiming. Research on airworthiness evaluation method of civil aircraft with atmospheric disturbance[J]. Civil Aircraft Design and Research,2022,(1):151-156. ( in Chinese)

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  • 在线发布日期: 2022-04-17
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