Environmental Analysis of System-Wide Implementation of Delayed Deceleration Approach Procedures

Q2 Social Sciences
Victoria R. Pellerito, Jacqueline L. Huynh
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引用次数: 0

Abstract

The potential of system-wide implementation of delayed deceleration approaches is presented through modeling a day of operations. Conventional approach procedures may involve early deceleration in the flight trajectory, resulting in early high-lift device deployment. Alternatively, delayed deceleration approaches involve delaying high-lift device deployment, thus maintaining higher airspeeds for longer and lowering thrust requirements, which reduces fuel burn and community noise. When implementing delayed deceleration approach procedures within traffic, the primary challenge is accrued from the variability of deceleration rates, which can significantly impact approach timing and thus separation among aircraft. In this work, a framework was developed that constructs delayed deceleration approach models based on observed radar data. This framework was then implemented on an average day at Boston Logan Airport to assess the feasibility of implementing delayed deceleration approaches on commercial traffic. The results indicate that delayed deceleration approaches can be implemented for 92.2% of the evaluated traffic without separation concerns, providing an average approach fuel burn savings of 10.27% and reducing exposure of configuration noise along the flight path by an average of 8.10 N miles of ground track distance. Therefore, implementing the delayed deceleration approach on a commercial traffic may provide environmental benefits.
全系统实施延迟减速进场程序的环境分析
通过模拟一天的运行情况,介绍了全系统实施延迟减速进近的可能性。传统的进场程序可能需要在飞行轨迹中提前减速,从而导致提前部署高升力装置。或者,延迟减速方法涉及延迟高升力装置的部署,从而在更长时间内保持较高的空速并降低推力要求,从而减少燃料消耗和社区噪音。在交通流中实施延迟减速进近程序时,主要的挑战来自于减速率的可变性,这会严重影响进近时机,从而影响飞机之间的间隔。在这项工作中,开发了一个框架,可根据观测到的雷达数据构建延迟减速进场模型。该框架随后在波士顿洛根机场的一个平均日实施,以评估对商业交通实施延迟减速进近的可行性。结果表明,92.2% 的受评估交通可以采用延迟减速进近,而无需考虑分离问题,平均进近燃油消耗可节省 10.27%,沿飞行路径的配置噪声暴露平均减少 8.10 N 英里的地面航迹距离。因此,在商业航班上实施延迟减速进近可能会带来环境效益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Air Transportation
Journal of Air Transportation Social Sciences-Safety Research
CiteScore
2.80
自引率
0.00%
发文量
16
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