Climb, cruise, and descent speed reduction for airborne delay without extra fuel

In the majority of situations, air traffic flow management (ATFM) regulations are issued due to weather-related capacity reductions. Considering the uncertainties in weather prediction and other unforeseen factors, ATFM decisions are typically conservative and the planned regulations may last longer...

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Autores: Xu, Yan, Dalmau Codina, Ramon|||0000-0003-3587-7331, Prats Menéndez, Xavier|||0000-0003-3717-4701
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/118524
Acceso en línea:https://hdl.handle.net/2117/118524
https://dx.doi.org/10.2514/1.C034197
Access Level:acceso abierto
Palabra clave:Airplanes -- Fuel consumption
Avions -- Combustibles
Àrees temàtiques de la UPC::Aeronàutica i espai
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spelling Climb, cruise, and descent speed reduction for airborne delay without extra fuelXu, YanDalmau Codina, Ramon|||0000-0003-3587-7331Prats Menéndez, Xavier|||0000-0003-3717-4701Airplanes -- Fuel consumptionAvions -- CombustiblesÀrees temàtiques de la UPC::Aeronàutica i espaiIn the majority of situations, air traffic flow management (ATFM) regulations are issued due to weather-related capacity reductions. Considering the uncertainties in weather prediction and other unforeseen factors, ATFM decisions are typically conservative and the planned regulations may last longer than actually needed [1,2]. At present, ground delay is more preferable than airborne delay (holding) from safety, environmental, and operating cost points of view. However, when regulations are canceled before their initial planned ending time, as occur often [3,4], the already accomplished delay on ground cannot be recovered, or it can be partially recovered by increasing speed, leading to extra fuel consumption. To overcome this issue, a speed reduction (SR) strategy was proposed in [5], which aimed at partially absorbing ATFM delays airborne. Ground delayed aircraft were enabled to fly at the minimum fuel-consumption speed (typically slower than the nominal cruise speed initially chosen by the airline), performing in this way some airborne delay. At the same time, part of the fuel was saved with respect to the nominal flight. This strategy was further explored in [6], where aircraft were allowed to cruise at the lowest possible speed in such a way that the specific range (i.e., the distance flown per unit of fuel consumption) remained the same as initially planned. In this situation, if regulations were canceled, aircraft already airborne and flying slower could increase their cruise speed to the initially planned speed and recover part of the delay without extra fuel consumption [2,6–8]. In this paper, the SR strategy presented in [6] is extended in such a way that not only the cruise phase is used to perform linear holding but also the climb and descent phases are subject of optimization to maximize the total amount of airborne delay that can be achieved without incurring extra fuel costs. Three cases are studied: SR only in cruise; SR in the whole flight but keeping the nominal cruise altitude; and SR for the whole flight while also optimizing the cruise altitude to maximize delay.Peer Reviewed20182018-05-0120182018-06-26journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/118524https://dx.doi.org/10.2514/1.C034197reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivs 3.0 Spainhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/1185242026-05-27T15:37:01Z
dc.title.none.fl_str_mv Climb, cruise, and descent speed reduction for airborne delay without extra fuel
title Climb, cruise, and descent speed reduction for airborne delay without extra fuel
spellingShingle Climb, cruise, and descent speed reduction for airborne delay without extra fuel
Xu, Yan
Airplanes -- Fuel consumption
Avions -- Combustibles
Àrees temàtiques de la UPC::Aeronàutica i espai
title_short Climb, cruise, and descent speed reduction for airborne delay without extra fuel
title_full Climb, cruise, and descent speed reduction for airborne delay without extra fuel
title_fullStr Climb, cruise, and descent speed reduction for airborne delay without extra fuel
title_full_unstemmed Climb, cruise, and descent speed reduction for airborne delay without extra fuel
title_sort Climb, cruise, and descent speed reduction for airborne delay without extra fuel
dc.creator.none.fl_str_mv Xu, Yan
Dalmau Codina, Ramon|||0000-0003-3587-7331
Prats Menéndez, Xavier|||0000-0003-3717-4701
author Xu, Yan
author_facet Xu, Yan
Dalmau Codina, Ramon|||0000-0003-3587-7331
Prats Menéndez, Xavier|||0000-0003-3717-4701
author_role author
author2 Dalmau Codina, Ramon|||0000-0003-3587-7331
Prats Menéndez, Xavier|||0000-0003-3717-4701
author2_role author
author
dc.subject.none.fl_str_mv Airplanes -- Fuel consumption
Avions -- Combustibles
Àrees temàtiques de la UPC::Aeronàutica i espai
topic Airplanes -- Fuel consumption
Avions -- Combustibles
Àrees temàtiques de la UPC::Aeronàutica i espai
description In the majority of situations, air traffic flow management (ATFM) regulations are issued due to weather-related capacity reductions. Considering the uncertainties in weather prediction and other unforeseen factors, ATFM decisions are typically conservative and the planned regulations may last longer than actually needed [1,2]. At present, ground delay is more preferable than airborne delay (holding) from safety, environmental, and operating cost points of view. However, when regulations are canceled before their initial planned ending time, as occur often [3,4], the already accomplished delay on ground cannot be recovered, or it can be partially recovered by increasing speed, leading to extra fuel consumption. To overcome this issue, a speed reduction (SR) strategy was proposed in [5], which aimed at partially absorbing ATFM delays airborne. Ground delayed aircraft were enabled to fly at the minimum fuel-consumption speed (typically slower than the nominal cruise speed initially chosen by the airline), performing in this way some airborne delay. At the same time, part of the fuel was saved with respect to the nominal flight. This strategy was further explored in [6], where aircraft were allowed to cruise at the lowest possible speed in such a way that the specific range (i.e., the distance flown per unit of fuel consumption) remained the same as initially planned. In this situation, if regulations were canceled, aircraft already airborne and flying slower could increase their cruise speed to the initially planned speed and recover part of the delay without extra fuel consumption [2,6–8]. In this paper, the SR strategy presented in [6] is extended in such a way that not only the cruise phase is used to perform linear holding but also the climb and descent phases are subject of optimization to maximize the total amount of airborne delay that can be achieved without incurring extra fuel costs. Three cases are studied: SR only in cruise; SR in the whole flight but keeping the nominal cruise altitude; and SR for the whole flight while also optimizing the cruise altitude to maximize delay.
publishDate 2018
dc.date.none.fl_str_mv 2018
2018-05-01
2018
2018-06-26
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/118524
https://dx.doi.org/10.2514/1.C034197
url https://hdl.handle.net/2117/118524
https://dx.doi.org/10.2514/1.C034197
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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