Results 11 to 20 of about 45,704 (312)

Optimization and Analysis of Hybrid Electric System for Distributed Propulsion Tilt-Wing UAV

open access: yesIEEE Access, 2020
Hybrid electric distributed propulsion tilt-wing UAVs show unlimited application prospects due to their high propulsion efficiency and vertical take-off and landing capabilities.
Cheng He, Yuhong Jia, Dongli Ma
doaj   +1 more source

Mission Performance Analysis of Hybrid-Electric Regional Aircraft

open access: yesAerospace, 2023
This article discusses the mission performance of regional aircraft with hybrid-electric propulsion. The performance analyses are provided by mission simulations tools specifically developed for hybrid-electric aircraft flight dynamics.
Giuseppe Palaia, Karim Abu Salem
doaj   +1 more source

Overview of Propulsion Systems for Unmanned Aerial Vehicles

open access: yesEnergies, 2022
Unmanned Aerial Vehicle (UAV) propulsion technology is significantly related to the flight performance of UAVs, which has become one of the most important development directions of aviation.
Bowen Zhang   +3 more
doaj   +1 more source

Analysis Leading to the Design of a Hybrid Gas-Electric Multi-Engine Testbed

open access: yesAerospace, 2023
Given the increase in air traffic, the main challenges in aircraft design are in-flight emissions and noise heard by the community. These problems have thus far been solved by incremental improvements in aerodynamics, engine technology and operation.
Agata Kuśmierek   +3 more
doaj   +1 more source

Artificial three-body equilibria for hybrid low-thrust propulsion [PDF]

open access: yes, 2008
This paper proposes a new concept of creating artificial equilibrium points in the circular restricted three body problem, where the third body uses a hybrid of solar sail and solar electric propulsion.
Baig, Shahid, McInnes, Colin R.
core   +1 more source

Evaluation and Comparison of Hybrid Wing VTOL UAV with Four Different Electric Propulsion Systems

open access: yesAerospace, 2021
Electric propulsion technology has attracted much attention in the aviation industry at present. It has the advantages of environmental protection, safety, low noise, and high design freedom.
Jianan Zong   +4 more
doaj   +1 more source

Displaced geostationary orbit design using hybrid sail propulsion [PDF]

open access: yes, 2011
Because of an increase in the number of geostationary spacecraft and the limits imposed by east–west spacing requirements, the geostationary orbit is becoming congested. To increase its capacity, this paper proposes to create new geostationary slots by
Becerra V. M.   +14 more
core   +1 more source

Medium-Range Aircraft Conceptual Design from a Local Air Quality and Climate Change Viewpoint

open access: yesEnergies, 2023
This paper presents an overall performance assessment of hybrid-electric medium-range transport aircraft, with the aim to evaluate the potential of such a propulsion technology towards the reduction in the environmental impact of aviation transport, in ...
Karim Abu Salem   +3 more
doaj   +1 more source

Design Tradeoffs in Full Electric, Hybrid and Full Chemical Propulsion Communication Satellite

open access: yesSakarya University Journal of Computer and Information Sciences, 2019
Full electric propulsion system becomes popular recently and getting more common in the communication satellite industry. Full electric or hybrid propulsion selection causes results in significant reduction in satellite propellant mass. Conventional full
Ü.cezmi Yılmaz, İbrahim Oz
doaj   +1 more source

Optimization design and sensitivity analysis of diesel/battery hybrid propulsion system for polar icebreaker

open access: yesZhongguo Jianchuan Yanjiu, 2021
ObjectivesFor the economic and environmental requirements of polar ice-breakers, a hybrid propulsion system composed of diesel generator sets and a rechargeable battery is proposed.
Wenlong DU, Fengxiang GUO, Li CHEN
doaj   +1 more source

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