Multi-Aircraft Dynamic Continuous Descent Approach Methodology for Low-Noise and Emission Guidance

Alam, Sameer; Nguyen, Minh-Ha; Abbass, Hussein A.; Lokan, Chris; Ellejmi, Mohamed; Kirby, S. H.

doi:10.2514/1.c031241

Cited by 17 publications

(14 citation statements)

References 12 publications

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“…A segment occurred before the starting point of the continuous descent. This behavior is commonly observed in optimization analysis of flight paths in a number of investigations (Alam et al 2011, Cao et al 2011, Li et al 2013, Sopjes et al 2011).…”

Section: Resultsmentioning

confidence: 59%

“…Procedures implied a complexity, they are not straightforward, and it is necessary to follow a sequence of stages. In this paper, the nominal used procedures are carried out and compared to optimized flight paths developed by authors: Alam et al 2011, Cao et al 2011, Sopjes et al 2011, Khardi 2012, Khardi 2011, Li et al 2013. We have used the stabilized approach procedures by ICAO (ICAO 2011a, b, c, d).…”

Section: Methods and Analysismentioning

confidence: 99%

“…The system of differential equations commonly employed in aircraft trajectory analysis is the following six-dimension system derived at the center of mass of the aircraft (Abdallah et al 2010, Alam et al 2011, Li et al 2013 and the fuel consumption given by Benson (1995) where V, γ, χ, α and µ are respectively the speed, the angle of descent, the yaw angle, the angle of attack and the roll angle. (x, y, h) is the position of the aircraft.…”

Section: Optimization Modeling and Resolutionmentioning

confidence: 99%

“…Dynamical constraint assumptions are needed during this processing step. Thus, the Trust Region Sequential Quadratic Programming method has been used for the processing steps (Tenny et al 2002, Alam et al 2011, Cao et al 2011, Khardi et al 2011a, Li et al 2013. It has the potential to solve complex problems of the control theory and can be generalized for air traffic.…”

Section: Optimization Modeling and Resolutionmentioning

confidence: 99%

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Optimization of aircraft fuel consumption and reduction of pollutant emissions: Environmental impact assessment

Khardi¹

2014

Advances in aircraft and spacecraft science

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Environmental impact of aircraft emissions can be addressed in two ways. Air quality impact occurs during landings and takeoffs while in-flight impact during climbs and cruises influences climate change, ozone and UV-radiation. The aim of this paper is to investigate airports related local emissions and fuel consumption (FC). It gives flight path optimization model linked to a dispersion model as well as numerical methods. Operational factors are considered and the cost function integrates objectives taking into account FC and induced pollutant concentrations. We have compared pollutants emitted and their reduction during LTO cycles, optimized flight path and with analysis by Döpelheuer. Pollutants appearing from incomplete and complete combustion processes have been discussed. Because of calculation difficulties, no assessment has been made for the soot, H 2 O and PM 2.5. In addition, because of the low reliability of models quantifying pollutant emissions of the APU, an empirical evaluation has been done. This is based on Benson's fuel flow method. A new model, giving FC and predicting the in-flight emissions, has been developed. It fits with the Boeing FC model. We confirm that FC can be reduced by 3% for takeoffs and 27% for landings. This contributes to analyze the intelligent fuel gauge computing the in-flight fuel flow. Further research is needed to define the role of NO x which is emitted during the combustion process derived from the ambient air, not the fuel. Models are needed for analyzing the effects of fleet composition and engine combinations on emission factors and fuel flow assessment.

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Section: Resultsmentioning

confidence: 59%

Section: Methods and Analysismentioning

confidence: 99%

Section: Optimization Modeling and Resolutionmentioning

confidence: 99%

Section: Optimization Modeling and Resolutionmentioning

confidence: 99%

See 2 more Smart Citations

Optimization of aircraft fuel consumption and reduction of pollutant emissions: Environmental impact assessment

Khardi¹

2014

Advances in aircraft and spacecraft science

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“…The other is by redesigning currently operated terminal routes to mitigate the aircraft noise impact while ensuring safety and throughput. Some recent work can be found in [3][4][5][6][7][8][9][10][11]. The FAA has developed the Integrated Noise Model (INM) and its replacement Aviation Environmental Design Tool (AEDT) 5 software to simulate terminal flight operations and assess noise impact in the vicinity of airport.…”

Section: Introductionmentioning

confidence: 99%

AIRNOISE: a Tool for Preliminary Noise-Abatement Terminal Approach Route Design

Sridhar

Xue

et al. 2016

16th AIAA Aviation Technology, Integration, and Operations Conference

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Noise from aircraft in the airport vicinity is one of the leading aviation-induced environmental issues. The FAA developed the Integrated Noise Model (INM) and its replacement Aviation Environmental Design Tool (AEDT) software to assess noise impact resulting from all aviation activities. However, a software tool is needed that is simple to use for terminal route modification, quick and reasonably accurate for preliminary noise impact evaluation and flexible to be used for iterative design of optimal noise-abatement terminal routes. In this paper, we extend our previous work on developing a noise-abatement terminal approach route design tool, named AIRNOISE, to satisfy this criterion. First, software efficiency has been significantly increased by over tenfold using the C programming language instead of MATLAB. Moreover, a state-of-the-art high performance GPU-accelerated computing module is implemented that was tested to be hundreds time faster than the C implementation. Secondly, a Graphical User Interface (GUI) was developed allowing users to import current terminal approach routes and modify the routes interactively to design new terminal approach routes. The corresponding noise impacts are then calculated and displayed in the GUI in seconds. Finally, AIRNOISE was applied to Baltimore-Washington International Airport terminal approach route to demonstrate its usage.

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Airspace Systems Technologies—Overview and Opportunities

Sridhar

Chatterji

2021

International Encyclopedia of Transportation

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Multi-Aircraft Dynamic Continuous Descent Approach Methodology for Low-Noise and Emission Guidance

Cited by 17 publications

References 12 publications

Optimization of aircraft fuel consumption and reduction of pollutant emissions: Environmental impact assessment

Optimization of aircraft fuel consumption and reduction of pollutant emissions: Environmental impact assessment

AIRNOISE: a Tool for Preliminary Noise-Abatement Terminal Approach Route Design

Airspace Systems Technologies—Overview and Opportunities

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