Results 21 to 30 of about 558,946 (304)
Two-phase energy efficiency optimisation for ships using parallel hybrid electric propulsion system
Ocean Engineering, 2021 Developing a green, intelligent, and efficient power system is an important way for the shipping industry to respond to increasingly stringent emission regulations, and to achieve improvements in energy conservation and efficiency.
Yapeng He +4 more
semanticscholar +1 more source
International 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
Primary parameters design method for distributed electric propulsion unmanned aerial vehicle
Xibei Gongye Daxue Xuebao, 2021 Distributed electric propulsion technology brings new ideas to the design of unmanned aerial vehicle(UAV), such as improving aerodynamic efficiency and propulsive efficiency, and new concept of vertical/short takeoff and landing configurations.
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Designing Electric Propulsion Systems for UAVs [PDF]
, 2011 Due to the advantages of electric motors and electric batteries, the electric propulsion systems are widely used in UAVs [1,2]. The UAV's performance and endurance, the payload capacity and the flight time of the vehicle are affected highly by the structure and design of the electric propulsion system. In this paper, a new systematic design methodology
Mohamed Kara Mohamed +2 more
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Evaluation and Comparison of Hybrid Wing VTOL UAV with Four Different Electric Propulsion Systems
Aerospace, 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
IEEE Access, 2022 To participate in the transition towards a sustainable use of energy, the aircraft sector needs to be transformed with respect to the energy carrier and propulsion methods. For smaller aircraft, a battery-electric approach is promising.
Janine Ebersberger +8 more
semanticscholar +1 more source
Zhongguo Jianchuan Yanjiu, 2023 ObjectivesThis paper aims to study the problems that the external electrical characteristics of a hydrogen fuel cell are soft, its dynamic characteristics are poor and its system stability is susceptible to the influence of propulsion load in marine ...
Wujian SONG +4 more
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MATHEMATICAL MODELING OF ELECTRIC HEATING ENGINE ON START-UP
Авіаційно-космічна техніка та технологія, 2019 The subject of research in the article is the process of accelerating the working fluid in an electric heating thruster, which is part of the onboard propulsion system used in space tug.
Андрей Владимирович Погудин
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Key Technologies for the Application of the Electric Propulsion System on the GEO Satellite Platform
Measurement + Control, 2008 Applying the electric propulsion system on GEO satellite in the future is an inevitable trend in China. For this purpose, a lot of problems should be solved not only thruster itself but also the whole system.
Bian Bingxiu, Wei Yanming, Li Yong
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Analysis Leading to the Design of a Hybrid Gas-Electric Multi-Engine Testbed
Aerospace, 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
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