Results 31 to 40 of about 45,704 (312)

Introducing the Box-Wing Airframe for Hybrid-Electric Regional Aircraft: A Preliminary Impact Assessment

open access: yesApplied 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

50’ Sail Catamaran with Hybrid Propulsion, Design, Theoretical and Experimental Studies

open access: yesPolish Maritime Research, 2022
The development of modern lithium batteries and propulsion systems now allows the use of complex propulsion systems for vessels of various sizes. As part of the research and implementation project, a parallel hybrid drive system was designed, built and ...
Litwin Wojciech   +3 more
doaj   +1 more source

Technical and economic efficiency of the unconventional propulsion units use for civilian aircraft of various purposes

open access: yesВестник университета, 2023
In order to develop a methodological apparatus for assessing various stages of the life cycle of hybrid/electric propulsion units, the existing approaches to estimating the costs of developing, manufacturing and operating aircraft engines of the ...
A. R. Polyakov   +5 more
doaj   +1 more source

Development of a Lumped Parameter Model for an Aeronautic Hybrid Electric Propulsion System

open access: yesAerospace, 2018
This paper describes a case study for applying a hybrid electric propulsion system for general aviation aircraft. The work was performed by a joint team from the Centro Italiano Ricerche Aerospaziali (CIRA) and the Department of Industrial Engineering of
Emma Frosina   +4 more
doaj   +1 more source

Performance Analysis of a Hybrid Electric Ship by Real-Time Verification

open access: yesEnergies, 2022
International maritime transport organizations are proposing regulatory actions and strategies aimed at decarbonizing the sector to reduce its greenhouse gas (GHG) emissions, which currently constitute around 3% of the global total.
Juan P. Torreglosa   +3 more
doaj   +1 more source

Exploring the Green-Oriented Transition Process of Ship Power Systems: A Patent-Based Overview on Innovation Trends and Patterns

open access: yesEnergies, 2023
The shipping industry has accelerated the transformation of its carbon emission reduction and decarbonization, and relevant patents are rapidly increasing, but the industry still lacks consensus on the low-carbon development route of ship propulsion ...
Minghan Sun   +3 more
doaj   +1 more source

Preliminary noise assessment of aircraft with distributed electric propulsion [PDF]

open access: yes, 2018
Electric and hybrid-electric propulsion technologies in aviation are becoming more attractive for aviation stakeholders not only due to the resulting reduction or elimination of the dependency on oil, whose availability and price are uncertain, but ...
Eurocontrol Experimental Centre   +12 more
core   +3 more sources

Drone Electric Propulsion System with Hybrid Power Source

open access: yesDrones
Unmanned aerial vehicles, known today as drones, in the beginning, were small-dimension research models powered by small electric motors fed from electrical batteries.
Jenica-Ileana Corcau   +3 more
doaj   +1 more source

Smart hybrid energy management system in a passenger car

open access: yesChemical Engineering Transactions, 2023
The technological advancements of internal combustion engines, batteries, and electric propulsion technology have reached such a level that they bring a new dimension to the potential of hybrid propulsion systems.
Péter Németh   +2 more
doaj  

Aircraft electric power plants

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
The paper presents a review of electrification of the existing propulsion systems and creating new hybrid propulsion systems based on the concept of more electric aircraft and all-electric aircraft in Russia and abroad.
A. D. Kondryakov, M. K. Leontiev
doaj   +1 more source

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