基于相似理论的飞机实际着陆距离预测方法

doi:10.16265/j.cnki.issn1003-3033.2021.03.002

中国安全科学学报 ›› 2021, Vol. 31 ›› Issue (3): 13-18.doi: 10.16265/j.cnki.issn1003-3033.2021.03.002

基于相似理论的飞机实际着陆距离预测方法

孙瑞山^1,2 教授, 陈雄^1,2, 李重锋^1,2

1 中国民航大学飞行技术学院,天津 300300;
2 中国民航大学民航安全科学研究所,天津 300300

收稿日期:2020-12-06 修回日期:2021-02-24 出版日期:2021-03-28 发布日期:2021-12-20
作者简介:孙瑞山 (1958—),男,天津人,硕士,教授,从事民航安全管理、航空人因工程、飞行原理和飞机飞行性能等方面的研究。E-mail: sunrsh@ hotmail.com。陈雄 (1995—),男,福建福州人,硕士研究生,研究方向为民航安全管理。 E-mail: 15060688018@sina.cn。

Prediction method of actual operating landing distance based on similarity theory

SUN Ruishan^1,2, CHEN Xiong^1,2 ,LI Chongfeng^1,2

1 Flight Technology College, Civil Aviation University of China, Tianjin 300300, China;
2 Research Institute of Civil Aviation Safety, Civil Aviation University of China, Tianjin 300300, China

Received:2020-12-06 Revised:2021-02-24 Online:2021-03-28 Published:2021-12-20

摘要/Abstract

摘要： 为防止飞机着陆时冲出跑道事件的发生,提出一种基于相似理论的飞机实际着陆距离预测方法。首先,通过量纲分析法结合影响飞机实际着陆距离的主要因素,推导出表征实际着陆距离的无量纲方程;然后,利用真实飞行数据,得出不同接地俯仰角条件下飞机实际着陆距离的预测方程;最后,对比分析方程预测结果与由真实数据所得的飞机实际着陆距离。结果表明:采用该方法能够在不同接地俯仰角条件下预测飞机实际着陆距离;在小接地俯仰角条件下,预测值与实际值吻合度最高,最大绝对误差在50 m范围内,最大相对误差约为3%。

关键词: 相似理论, 飞机实际着陆距离, 量纲分析, 飞行数据, 着陆过程

Abstract: In order to prevent plane from overshooting runway on landing, a method was proposed to predict flights' actual operating landing distance based on similarity theory. Firstly, combined dimensional analysis with main factors that affect actual landing distance of aircraft, dimensionless equation that characterize operating landing distance was obtained. Then, digital flight data was used to further establish equation that predict flights' actual operating landing distance under different touchdown pitch angles. Finally, prediction values of equation were compared with actual operating landing distance of aircrafts. The results show that this method is able to predict flights' actual operating landing distance and deviation between predicted value and practical value is minimum under condition of small touchdown pitch angle. The maximum absolute error is less than 50 meters, and the maximum relative error is about 3%.

中图分类号:

X949

孙瑞山, 陈雄, 李重锋. 基于相似理论的飞机实际着陆距离预测方法[J]. 中国安全科学学报, 2021, 31(3): 13-18.

SUN Ruishan, CHEN Xiong ,LI Chongfeng. Prediction method of actual operating landing distance based on similarity theory[J]. China Safety Science Journal, 2021, 31(3): 13-18.

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基于相似理论的飞机实际着陆距离预测方法

Prediction method of actual operating landing distance based on similarity theory

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