Results 31 to 40 of about 71,876 (215)

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

Optimization strategies for sustainable flight routes in next-generation hybrid turboprop aircraft [PDF]

open access: yesEPJ Web of Conferences
In this paper, an optimization strategy for hybrid turboprop aircraft flight routes is introduced. The hybrid aircraft propulsion is modelled as a combination of a turboprop engine and an electric motor powered by hydrogen fuel cells.
Kovář Patrik   +2 more
doaj   +1 more source

Review of Electrically Powered Propulsion for Aircraft [PDF]

open access: yes2018 53rd International Universities Power Engineering Conference (UPEC), 2018
This paper presents a review of the state-of-the-art in aircraft electrical propulsion technology. A comparison is provided of differing propulsion mechanisms such as propellers, open fans, ducted fans, multi-stage rim driven fans and distributed thrust designs and their suitability to particular flight profiles and mission applications.
Bolam, Robert   +2 more
openaire   +1 more source

Optimization Methodology of PMSM Cooled by External Convection in Aircraft Propulsion

open access: yesEnergies, 2020
Nowadays, the reduction of aircraft emissions is one of the industrial targets with a horizon time until 2050. The recent progresses in electrical drives give the opportunity to modify the aircraft propulsion based on thermal engine or gas turbine to a ...
Luigi Pio Di Noia   +2 more
doaj   +1 more source

In-flight Lift and Drag Estimation of an Unmanned Propeller-Driven Aircraft

open access: yesAerospace, 2021
The high-power density and good scaling properties of electric motors enable new propulsion arrangements and aircraft configurations. This results in distributed propulsion systems allowing to make use of aerodynamic interaction effects between ...
Dominique Paul Bergmann   +5 more
doaj   +1 more source

Conceptual Feasibility Study of Integration of Aircraft With New Propulsion Technologies in Current Airline Flight Schedules

open access: yesAerospace Research Communications
Given the increasing importance of sustainability in the aviation industry, the integration of aircraft with new propulsion technologies that produce fewer, or no emissions is essential.
Ayodeji Clement Akinola   +4 more
doaj   +1 more source

Sizing and Mission Profile Analysis of the Hybrid-Electric Propulsion System for Retrofitting a Fixed Wing VTOL Aircraft

open access: yesInternational Journal of Aerospace Engineering, 2022
Hybrid-electric technology can be expected to improve the performance of fixed wing vertical takeoff and landing (VTOL) aircraft. In this paper, we demonstrated a method of retrofitting a single-energy propulsion system prototype with a hybrid-electric ...
Jianan Zong   +4 more
doaj   +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

Research on SiC Speed Controller for High-Voltage Distributed Electric Propulsion System

open access: yesInternational Journal of Aerospace Engineering
The shift towards green aviation necessitates the adoption of all-electric aircraft, marking an essential trend in the aviation industry. Distributed propulsion systems enhance aircraft flexibility and reliability, synchronously reducing performance ...
Labin Wang   +4 more
doaj   +1 more source

Selection of a composition, operating process parameters and operating mode of propulsion for a supersonic cruising aircraft

open access: yesАвіаційно-космічна техніка та технологія, 2021
The issues of choosing a composition, operating process parameters and operating modes of propulsion for supersonic cruising aircraft providing transoceanic flights are considered.
Михайло Анатолійович Шевченко
doaj   +1 more source

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