Results 41 to 50 of about 13,690 (205)
Eastern asian emissions of anthropogenic halocarbons deduced from aircraft concentration data [PDF]
, 2003 The Montreal Protocol restricts production of ozone-depleting halocarbons worldwide. Enforcement of the protocol has relied mainly on annual government statistics of production and consumption of these compounds (bottom-up approach).
Donald R. Blake +21 more
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Applied Sciences, 2023 The combination of new airframes with electric and hybrid-electric propulsion is a potential solution to decarbonize aviation. In this context, recent studies have proven that the box-wing airframe, if integrated on a hybrid-electric aircraft belonging ...
Karim Abu Salem +2 more
doaj +1 more source
Regional jet retrofitting through multidisciplinary aircraft design
IOP Conference Series: Materials Science and Engineering, 2022 Abstract Multidisciplinary collaborative aircraft design is applied to a 90 passengers regional jet aircraft retrofit, highlighting the impact on costs and performance. Two retrofitting packages have been considered: the re-engining of conventional power-plant platform with advanced geared turbofan and the on-board-system modernization ...
Massimo Mandorino +3 more
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GENESIS - Gauging the ENvironmEntal Sustainability of electrIc aircraft Systems
, 2021 GENESIS project will gauge the environmental sustainability of electric aircraft (A/C) in a life-cycle-based, foresight perspective to support the development of a technology roadmap for transitioning towards sustainable and competitive electric A/C ...
Ruocco M. +5 more
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Radiative forcing from aircraft NOx emissions: Mechanisms and seasonal dependence [PDF]
, 2004 A chemistry-climate model has been applied to study the radiative forcings generated by aircraft NOx emissions through changes in ozone and methane. Four numerical experiments, where an extra pulse of aircraft NOx was emitted into the model atmosphere ...
Stevenson, David S.; id_orcid +5 more
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Towards computational flight dynamics of a passenger jet aircraft
, 2014 This paper investigates the efficient generation of an aerodynamic database for flight simulation of a regional jet aircraft. A hierarchy of aerodynamic models is used, from semi–empirical approaches up to computational fluid dynamics analyses.
Wang, Yongzhi +2 more
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Applied Sciences, 2021 Aircraft winglets are well-established devices that improve aircraft fuel efficiency by enabling a higher lift over drag ratios and lower induced drag. Retrofitting winglets to existing aircraft also increases aircraft payload/range by the same order of ...
Ignazio Dimino +5 more
doaj +1 more source
Electric Propulsion for Regional Aircraft - Critical Components and Challenges
, 2022 This paper describes possible topologies for electric propulsion systems in a regional aircraft; identifies major critical components and challenges concerning their feasibility; and presents a comparison between them. The existing electrified propulsion system topologies can be categorized into all-electric, turbo-electric, and hybrid-electric.
Sain, Chetan Kumar +2 more
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A Study on Thermal Management Systems for Fuel-Cell Powered Regional Aircraft
EnergiesThis work studies the feasibility of integrating a hydrogen-powered propulsion system in a regional aircraft at the conceptual design level. The developed system consists of fuel cells, which will be studied at three technological levels, and batteries ...
Manuel Filipe +2 more
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Plug In Hybrid Electric Regional Aircraft Concept for IMOTHEP [PDF]
, 2022 Presentation at the 12th EASN International Conference on “Innovation in aviation & space for opening new horizons", 18-21 Oct 2022, Barcelona, Spain, https://easnconference.eu/
openaire +3 more sources