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首页> 外文期刊>The Aeronautical Journal >Effect of vertical profile inefficiency during descent on fuel burn, emissions and flight time
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Effect of vertical profile inefficiency during descent on fuel burn, emissions and flight time

机译：下降过程中垂直剖面效率低下对燃油消耗，排放和飞行时间的影响

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摘要

Vertical profile inefficiency caused by low-level flight segments during arrival and departure operations has a great impact on the financial cost of operators as well as negative environmental effects. In this regard, continuous descent and climb operations for arrival and departure phases are mostly preferred as one of the methods that reduce or eliminate vertical profile inefficiencies. In this study, focus is put on the arrival phase and the purpose is: (i) to analyse the vertical profiles of arrival traffic at Mugla Milas-Bodrum Airport (BJV), Antalya Airport (AYT) and Ankara Esenboga Airport (ESB) and to characterise the level-offs that occur in the arrival phase and (ii) to quantify the potential time, fuel and emission savings in the event of a shift of inefficient low-level flight segments to the cruise segment of equal distance. For the purpose of this paper, real-time flight data is used for the analysis of the vertical profiles of flights. Flight parameters, such as latitude, longitude, altitude, speed and so on are used to determine, visualise and characterise level-off segments. The Boeing Fuel Flow Method 2 is used to calculate emissions at any altitude. Analyses of the results show that 80%, 74% and 69% of arrival traffic at BJV, AYT and ESB, respectively. were exposed to at least one level-off lasting longer than 20 seconds and significant potential for time, fuel and emissions savings exist for three airports.
机译：在到达和起飞操作期间由低空飞行段引起的垂直剖面效率低下，对运营人的财务成本以及负面的环境影响有很大影响。在这方面，作为减少或消除垂直剖面效率低下的方法之一，最优选在到达和离开阶段进行连续下降和爬升操作。在这项研究中，重点放在到达阶段，目的是：（i）分析穆拉米拉斯·博德鲁姆机场（BJV），安塔利亚机场（AYT）和安卡拉·埃森博加机场（ESB）的到达交通的垂直分布，以及表征到达阶段发生的降落，以及（ii）量化在低效的低空飞行航段向等距巡航航段转换时可能节省的时间，燃料和排放。出于本文的目的，实时航班数据用于分析航班的垂直剖面。飞行参数（例如纬度，经度，高度，速度等）用于确定，可视化和表征降落航段。波音燃料流量方法2用于计算任何高度的排放。结果分析表明，到达BJV，AYT和ESB的到达流量分别为80％，74％和69％。至少要持续20秒以上才能稳定下来，而且三个机场在时间，燃油和排放方面都有显着的节省潜力。

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