Results 31 to 40 of about 45,704 (312)
Generation of optimal trajectories for Earth hybrid pole sitters [PDF]
, 2011 A pole-sitter orbit is a closed path that is constantly above one of the Earth's poles, by means of continuous low thrust. This work proposes to hybridize solar sail propulsion and solar electric propulsion (SEP) on the same spacecraft, to enable such a ...
Becerra V. M. +12 more
core +1 more source
IEEE Access, 2022 This article presents a preliminary suitable sizing methodology for the design process of the powertrain architecture for a hybrid-electric propulsion system for ultra-light and general aviation aircraft.
Enrico Fornaro +2 more
doaj +1 more source
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
50’ Sail Catamaran with Hybrid Propulsion, Design, Theoretical and Experimental Studies
Polish 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
Вестник 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
Performance Calculation for Hybrid-Electric Aircraft integrating Aero-Propulsive Interactions [PDF]
AIAA Scitech 2021 Forum, 2021 The potential benefits of hybrid-electric or full-electric propulsion have led to an increased interest in this topic over the past decade. Hence the need to develop modern and innovative methods to analyze the performance of aircraft with unconventional propulsion systems. The purpose of this paper is to describe and apply a simulation-based algorithm
Fancesco Orefice +4 more
openaire +2 more sources
Development of a Lumped Parameter Model for an Aeronautic Hybrid Electric Propulsion System
Aerospace, 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
Energies, 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
Energies, 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]
, 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