Results 101 to 110 of about 15,513 (312)

Energy Storage for Electric Passenger Aircraft

The member airlines of the International Air Transport Association (IATA) agreed on net zero carbon by 2050, forcing a significant shift to emission free flight which challenges the current State-of-the-Art and research in energy storage for all-electric
Schulte, Kathrin, Stegen, Sascha
core   +1 more source

Optimal energy management for hybrid-electric aircraft

, 2020
Purpose: In recent years, increased awareness on global warming effects led to a renewed interest in all kinds of green technologies. Among them, some attention has been devoted to hybrid-electric aircraft – aircraft where the propulsion system contains ...
Soares Pinto Leite, J.P. (author), Voskuijl, M., Voskuijl, M. (author), Soares Pinto Leite, J.P.   +3 more
core   +1 more source

Critical Development of Electric Fixed-Wing Manned Civil Aircraft [PDF]

E3S Web of Conferences
This paper briefly introduces the current role of civil aviation in the emission of greenhouse gases and the history of electric aviation, pointing out the necessity of developing electric civil aircraft to reach strict environmental policies such as the
Yu Yifei
doaj   +1 more source

Enhancing hydrogen evolution reaction by harnessing bubble dynamics regulation: Principles, methods, and outlook

Droplet, EarlyView.
Bubble dynamics pose critical bottlenecks to hydrogen evolution reaction efficiency, causing active site isolation, increased ohmic resistance, and concentration overpotential, especially at high current densities. This review comprehensively summarizes passive and active bubble manipulation strategies, elucidates their underlying principles, and ...
Ziwei Guo, Chunhui Zhang, Yunxun Liu, Yi Han, Jinghang Pan, Lingyao Zhang, Chuanqi Nie, Yuejing Zhao, Kesong Liu, Cunming Yu, Lei Jiang   +10 more
wiley   +1 more source

Challenges of the Optimization of a High-Speed Induction Machine for Naval Applications

Energies, 2019
In several industrial sectors, induction machines are being replaced with permanent magnet based alternatives, owing to the potential for higher power density and efficiency.
Giampaolo Buticchi, David Gerada, Luigi Alberti, Michael Galea, Pat Wheeler, Serhiy Bozhko, Sergei Peresada, He Zhang, Chengming Zhang, Chris Gerada   +9 more
doaj   +1 more source

Water Electrolysis Technologies for Extraterrestrial Water Resource Conversion

EcoEnergy, EarlyView.
This paper reviews four water electrolysis technologies for extraterrestrial water conversion: alkaline water electrolysis, proton exchange membrane water electrolysis, solid oxide water electrolysis, and anion exchange membrane water electrolysis. It elaborates on their mechanisms, components, and integration, highlighting challenges such as water ...
Yawen Jiang, Yuan Zhao, Lin Zu, Lili Ling, Yongwei Zhao, Jun Di, Pin Song   +6 more
wiley   +1 more source

Modeling and simulation enabled UAV electrical power system design

, 2011
With the diversity of mission capability and the associated requirement for more advanced technologies, designing modern unmanned aerial vehicle (UAV) systems is an especially challenging task.
Rakhra, Puran, Burt, Graeme, Steven David Angus Fletcher, Graeme Burt, Norman, Patrick, Galloway, Stuart, Patrick Norman, Fletcher, Steven, Stuart Galloway, Puran Rakhra, Lowe, V., Vince Lowe   +11 more
core   +1 more source

Solar Fuels Via Methane Valorization: Thermochemical Pathways, Unified Metrics, and Techno‐Economic Perspectives

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A first‐of‐its‐kind review benchmarks three solar methane valorization pathways with unified performance metrics for clean fuel production. Meeting global climate targets and sustainable energy demands requires carbon‐neutral fuels and innovative conversion pathways.
Muhammad Abdulmoez, Amjad Othman, Majid Linjawi, Amro Al‐Qutub   +3 more
wiley   +1 more source

Acoustic system for online wiring test on aircraft. [PDF]

, 2008
- Wiring onboard of legacy aircraft is becoming a liability due to a prolonged use of aircraft. Testing as well as repairs and maintenance require extensive number of man-hours bringing up the costs and reducing flight time of the aircraft.
Richardson, Andrew, Sutherland, A., Koltsov, D., Xu, Z.   +3 more
core  

Flexible Direct‐Conversion X‐Ray Detectors: From Emerging Materials to Conformal Imaging

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This comprehensive review analyzed the performance, challenges, and future directions of four emerging material systems for next‐generation flexible direct‐conversion X‐ray detectors: organic semiconductors, perovskites, metal–organic frameworks, and inorganic metal compounds.
Haipeng Di, Guoliang Ma, Jiaxin Mu, Kailian Dong, Haibin Li, Manjing Wang, Xin Song, Haojin Li, Jianwei Xu, Yiying Zhao, Jingjing Zhao, Guojia Fang   +11 more
wiley   +1 more source