Liquefied Natural Gas for Civil Aviation

The growth in air transport and the ambitious targets in emission reductions set by advisory agencies are some of the driving factors behind research towards new fuels for aviation. Liquefied Natural Gas (LNG) could be both environmentally and economically beneficial. However, its implementation in...

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Main Authors: Pavlos Rompokos, Sajal Kissoon, Ioannis Roumeliotis, Devaiah Nalianda, Theoklis Nikolaidis, Andrew Rolt
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/13/22/5925
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author Pavlos Rompokos
Sajal Kissoon
Ioannis Roumeliotis
Devaiah Nalianda
Theoklis Nikolaidis
Andrew Rolt
author_facet Pavlos Rompokos
Sajal Kissoon
Ioannis Roumeliotis
Devaiah Nalianda
Theoklis Nikolaidis
Andrew Rolt
author_sort Pavlos Rompokos
collection DOAJ
description The growth in air transport and the ambitious targets in emission reductions set by advisory agencies are some of the driving factors behind research towards new fuels for aviation. Liquefied Natural Gas (LNG) could be both environmentally and economically beneficial. However, its implementation in aviation has technical challenges that needs to be quantified. This paper assesses the application of LNG in civil aviation using an integrated simulation and design framework, including Cranfield University’s aircraft performance tool, Orion, and engine performance simulation tool Turbomatch, integrated with an LNG tank sizing module and an aircraft weight estimation module. Changes in tank design, natural gas composition, airframe changes, and propulsion system performance are assessed. The performance benefits are quantified against a Boeing 737–800 aircraft. Overall, LNG conversion leads to a slightly heavier aircraft in terms of the operating weight empty (OWE) and maximum take-off weight (MTOW). The converted aircraft has a slightly reduced range compared to the conventional aircraft when the maximum payload is considered. Compared to a conventional aircraft, the results indicate that although the energy consumption is increased in the case of LNG, the mission fuel mass is decreased and CO<sub>2</sub> emissions are reduced by more than 15%. These benefits come with a significant reduction in fuel cost per passenger, highlighting the potential benefits of adopting LNG for aviation.
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spelling doaj.art-01ec59da4dbf47a8aa55361835dcd10f2023-11-20T20:52:23ZengMDPI AGEnergies1996-10732020-11-011322592510.3390/en13225925Liquefied Natural Gas for Civil AviationPavlos Rompokos0Sajal Kissoon1Ioannis Roumeliotis2Devaiah Nalianda3Theoklis Nikolaidis4Andrew Rolt5Propulsion Engineering Center, School of Aerospace, Transport and Manufacturing, Cranfield University, Building 52, College Rd, Cranfield, Wharley End, Bedford MK43 0AL, UKPropulsion Engineering Center, School of Aerospace, Transport and Manufacturing, Cranfield University, Building 52, College Rd, Cranfield, Wharley End, Bedford MK43 0AL, UKPropulsion Engineering Center, School of Aerospace, Transport and Manufacturing, Cranfield University, Building 52, College Rd, Cranfield, Wharley End, Bedford MK43 0AL, UKPropulsion Engineering Center, School of Aerospace, Transport and Manufacturing, Cranfield University, Building 52, College Rd, Cranfield, Wharley End, Bedford MK43 0AL, UKPropulsion Engineering Center, School of Aerospace, Transport and Manufacturing, Cranfield University, Building 52, College Rd, Cranfield, Wharley End, Bedford MK43 0AL, UKPropulsion Engineering Center, School of Aerospace, Transport and Manufacturing, Cranfield University, Building 52, College Rd, Cranfield, Wharley End, Bedford MK43 0AL, UKThe growth in air transport and the ambitious targets in emission reductions set by advisory agencies are some of the driving factors behind research towards new fuels for aviation. Liquefied Natural Gas (LNG) could be both environmentally and economically beneficial. However, its implementation in aviation has technical challenges that needs to be quantified. This paper assesses the application of LNG in civil aviation using an integrated simulation and design framework, including Cranfield University’s aircraft performance tool, Orion, and engine performance simulation tool Turbomatch, integrated with an LNG tank sizing module and an aircraft weight estimation module. Changes in tank design, natural gas composition, airframe changes, and propulsion system performance are assessed. The performance benefits are quantified against a Boeing 737–800 aircraft. Overall, LNG conversion leads to a slightly heavier aircraft in terms of the operating weight empty (OWE) and maximum take-off weight (MTOW). The converted aircraft has a slightly reduced range compared to the conventional aircraft when the maximum payload is considered. Compared to a conventional aircraft, the results indicate that although the energy consumption is increased in the case of LNG, the mission fuel mass is decreased and CO<sub>2</sub> emissions are reduced by more than 15%. These benefits come with a significant reduction in fuel cost per passenger, highlighting the potential benefits of adopting LNG for aviation.https://www.mdpi.com/1996-1073/13/22/5925liquefied natural gasLNGcivil aviationengine performancemission analysisshort-range aircraft
spellingShingle Pavlos Rompokos
Sajal Kissoon
Ioannis Roumeliotis
Devaiah Nalianda
Theoklis Nikolaidis
Andrew Rolt
Liquefied Natural Gas for Civil Aviation
Energies
liquefied natural gas
LNG
civil aviation
engine performance
mission analysis
short-range aircraft
title Liquefied Natural Gas for Civil Aviation
title_full Liquefied Natural Gas for Civil Aviation
title_fullStr Liquefied Natural Gas for Civil Aviation
title_full_unstemmed Liquefied Natural Gas for Civil Aviation
title_short Liquefied Natural Gas for Civil Aviation
title_sort liquefied natural gas for civil aviation
topic liquefied natural gas
LNG
civil aviation
engine performance
mission analysis
short-range aircraft
url https://www.mdpi.com/1996-1073/13/22/5925
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AT ioannisroumeliotis liquefiednaturalgasforcivilaviation
AT devaiahnalianda liquefiednaturalgasforcivilaviation
AT theoklisnikolaidis liquefiednaturalgasforcivilaviation
AT andrewrolt liquefiednaturalgasforcivilaviation