徐长群,陶超.大型客机积水跑道起降附加阻力评估[J].民用飞机设计与研究,2018,(1):98-
大型客机积水跑道起降附加阻力评估
Additional Drag Assessment on Standing Water Runways for Large Civil Aircraft
  
DOI:10.19416/j.cnki.1674-9804.2018.01.018
中文关键词:积水跑道  附加阻力  性能评估
英文关键词:standing water runway  additional drag  performance assessment
基金项目:
作者单位
徐长群,陶超 上海飞机设计研究院上海201210 
中文摘要:在飞机整个飞行过程中,起降阶段尽管时间占比很小,却是飞行事故的多发阶段。近几年国内外污染跑道起降冲出和偏离跑道的事故和事故征候不断发生。发生此类事故的一个重要原因就与湿跑道和污染跑道有关。为了保证飞行运行的安全,应确定飞机在污染跑道上的飞行性能。飞机在污染跑道上起降时污染物产生的附加阻力,对飞机的起降性能有很大的影响。分析了积水污染跑道上轮胎溅水图型的形成机理,研究了附加阻力的计算评估方法。算例表明,积水跑道附加阻力与积水深度近似成线性正比关系,与飞机地面滑跑速度近似成平方正比关系。该方法的计算结果符合规律、量级合理,达到了工程应用要求。
英文摘要:According to statistical results, the takeoff and landing phases are the accident prone phases of the whole flight mission although they take up very short proportion of the total flight time. In recent years, incidents and accidents of overrun or deviation from runway have occurred several times while takeoff and landing on the contaminated surface. Wet and contaminated runway should be responsible for these accidents. In order to keep the aircraft safety, the flight performance on a contaminated runway should be determined. Contaminates induce additional drag for aircraft operating on contaminated runways, which make great influence on the takeoff and landing performance. The mechanism of water spray pattern caused by tires is analyzed, the calculation and assessment methods of additional drag on standing water contaminated runway are researched. Example indicates that the standing water addition drag is basically proportional to water depth and aircraft ground speed’s square. The tendency and magnitude of calculation results are credible, and the method is accurate enough to be applied to engineering assessments.
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