Results 61 to 70 of about 7,657 (227)

Recent Advances in Achieving High Energy/Power Density of Lithium–Sulfur Batteries for Current and Near‐Future Applications

Battery Energy, Volume 4, Issue 5, September 2025.
This review comprehensively addresses challenges impeding the current and near‐future applications of Li–S batteries, with a special focus on novel strategies and materials for achieving high energy/power density. Additionally, potential areas for practical applications are explored, placing special emphasis on their lightweight, high energy/power ...
Junyoung Heo, Hawon Gu, Changhee Lee, Junghwan Sung, Dong‐Hee Kim, Jiye Han, Yeong‐Seok Oh, Seongki Ahn, Il Jeon, Jun‐Woo Park   +9 more
wiley   +1 more source

The Penguin: a Low Reynolds Number Powered Glider for Station Keeping Missions [PDF]

The Penguin is a low Reynolds number (approx. 100,000) remotely piloted vehicle (RPV). It was designed to fly three laps indoors around two pylons in a figure-eight course while maximizing loiter time.
Costello, J. K., Greene, D. W., Lee, T. T., Matier, P. T., Mccarthy, T. R., Mcguire, R. J., Schuette, M. J.   +6 more
core   +1 more source

An Investigation of Vertical Take-off and Landing Air Taxis with Electric and Hybrid Propulsion Systems [PDF]

فناوری در مهندسی هوافضا, 2018
A prodigious revolution will be happened in urban public transportation in future years. This revolution will be along with entrance of air taxis and other flying vehicles.
Amirhossein Edalatpour, Zoheir Saboohi, Fathollah Ommi   +2 more
doaj  

The Stealth Biplane: a Proposal in Response to a Low Reynolds Number Station Keeping Mission [PDF]

The Stealth Biplane is conceived and constructed to serve as a remotely piloted vehicle designed to navigate a low-level figure-eight course at a target Reynolds number of 100,000.
Donovan, Steven, Flynn, Kevin T., Padgett, John, Pangilinan, Harold, Paul, Chris, Twomey, Daniel, Walsh, Timothy E.   +6 more
core   +1 more source

Research progress on propeller aerodynamic design of low-altitude electric vertical take-off and landing aircraft

Kongqi donglixue xuebao
Electric vertical take-off and landing (eVTOL) serves as an important carrier for low-altitude economy. As the main power source, the aerodynamic performance of the propeller has a critical impact on the overall performance of eVTOL.
Bao HU, Bao HU, Yongwei GAO, Yongwei GAO, Binbin WEI, Binbin WEI, Shunzhe ZHAO, Shunzhe ZHAO   +7 more
doaj   +1 more source

Conceptual design studies of candidate V/STOL lift fan commercial short haul transport for 1980 - 1985 V/STOL lift fan study [PDF]

Conceptual designs of V/STOL lift fan commercial short haul transport aircraft for the 1980-85 time period were studied to determine their technical and economic feasibility. The engine concepts included both integral and remote fans.
Eldridge, W. M., Ferrell, J. A., Mckee, J. W., Wayne, J. E., Jr., Zabinsky, J. M.   +4 more
core   +1 more source

An Aircraft Icing Detection Method Based on Performance Data of Rotor

Transactions of Nanjing University of Aeronautics and Astronautics
Existing icing detection technologies face challenges when applied to small and medium-sized aircraft， especially electric vertical take-off and landing （eVTOL） aircraft that meet the needs of low-altitude economic development. This study proposes a data-
WU Yuan, ZHU Dongyu, XU Lingsong, YU Lei
doaj   +1 more source

Flight researh at NASA Ames Research Center: A test pilot's perspective [PDF]

In 1976 NASA elected to assign responsibility for each of the various flight regimes to individual research centers. The NASA Ames Research Center at Moffett Field, California was designated lead center for vertical and short takeoff and landing, V/STOL ...
Hall, G. Warren
core   +1 more source

Electrification of Integrated Stereoscopic Transportation: A Perspective on the Electric Ride-Hailing, Transit, and Electric Vertical Takeoff and Landing Market in Jiangsu Province

World Electric Vehicle Journal
The electrification of integrated stereoscopic transportation is a critical step toward achieving sustainable urban mobility and addressing the environmental challenges posed by traditional transportation modes.
Jie Ma, Weile Diao, Jingzhi Li, Linfeng Zhang   +3 more
doaj   +1 more source

Accessibility Design and Operational Considerations in the Development of Urban Aerial Mobility Vehicles and Networks [PDF]

Urban aerial mobility vehicles and networks have recently gained considerable interest in the aviation community. These small, short-range vehicles with all-electric or hybrid-electric propulsion systems, tailored to metropolitan aerial transportation ...
Young, Larry A.
core   +1 more source