Results 11 to 20 of about 8,159 (117)

Review of Electrically Powered Propulsion for Aircraft

International Universities Power Engineering Conference, 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 ...
R. Bolam, Y. Vagapov, A. Anuchin
semanticscholar   +1 more source

Decarbonization potential of future sustainable propulsion—A review of road transportation

Energy Science & Engineering, 2023
Modern automotive propulsion technologies must achieve the highest CO2 reduction potential quickly to abide by the requirements of the Paris Climate Agreement.
Xiao Yu, Simon Leblanc, N. Sandhu, Linyan Wang, Meiping Wang, M. Zheng   +5 more
semanticscholar   +1 more source

Mathematical Models of Station Keeping for Low Orbit Spacecraft with Electric Propulsion and Limited Power Supply

Journal of Physics: Conference Series, 2018
The paper describes mathematical models used to select design parameters of an electric propulsion unit for station keeping on low orbit of an Earth observation satellite. Mathematical models are developed with consideration for limited power supply on board of spacecraft.
V. V. Salmin, G.P. Anshakov, V.V. Volotsuev, S. L. Safronov   +3 more
openaire   +2 more sources

Propulsion Sizing Correlations for Electrical and Fuel Powered Unmanned Aerial Vehicles

Aerospace, 2020
Despite the increasing demand of Unmanned Aerial Vehicles (UAVs) for a wide range of civil applications, there are few methodologies for their initial sizing. Nowadays, classical methods, mainly developed for transport aircraft, have been adapted to UAVs.
Victor Alulema, E. Valencia, E. Cando, V. Hidalgo, D. Rodriguez   +4 more
semanticscholar   +1 more source

A Real-Time Power Management Strategy for Hybrid Electrical Ships Under Highly Fluctuated Propulsion Loads

IEEE Systems Journal, 2023
The increasing demand for improving fuel efficiency of marine transportation has presented opportunities for the development of the power management system (PMS).
Peilin Xie, Sen Tan, Najmeh Bazmohammadi, J. Guerrero, J. Vasquez   +4 more
semanticscholar   +1 more source

Biological and Biologically Inspired Functional Nanostructures: Insights into Structural, Optical, Thermal, and Sensing Applications

Advanced Materials, EarlyView.
Biological and biologically‐inspired functional nanostructures with structural, thermal, optical, and sensing applications are reviewed. The role of nanoscale features in biological materials on performance is described, and their blueprints are used for bio‐inspired nanomaterials, synthesized using advanced techniques (i.e., photolithography, bio ...
Chao Hsuan (Joseph) Sung, Taige Hao, Herry Fang, Andrew Tran Nguyen, Valentina Perricone, Haitao Yu, Wei Huang, Ezra Sarmiento, Adrian Francisco Duran Ornelas, Derek Lublin, Ric Wehling, Sanaz Farajollahi, Atsushi Arakaki, Dhriti Nepal, Nathan Patrick Lord, David Kisailus   +15 more
wiley   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

Wireless, 3D Optical Sensor Fabricated Using Mechanical Buckling for Navigation and Agriculture Applications

Advanced Materials Technologies, EarlyView.
This study develops a 3D optical sensor formed by mechanical buckling and equipped with wireless communication for navigation. Off‐the‐shelf electronic components are assembled onto a flexible circuit board, followed by mechanical strain‐guiding, facilitating the integration of an out‐of‐plane sensing configuration with a signal processing module. This
Chi Cong Nguyen, Jamie Cerezo, Tran Bach Dang, Sinuo Zhao, Mitchell Torok, Arya Vasanth, Aditya Ashok, Robert A. Taylor, Mohammad Deghat, Thanh Nho Do, Hoang‐Phuong Phan   +10 more
wiley   +1 more source

A Resistive Soft Robotic Exosuit for Dynamic Body Loading in Hypogravity

Advanced Science, EarlyView.
The resistive hypogravity exosuit is a lightweight wearable robotic exosuit that uses pneumatic artificial muscles to restore Earth‐like metabolic and muscular demands during locomotion in low gravity. Tested on healthy subjects in Earth and simulated Moon gravity, the suit restores energy expenditure and muscle activation without altering gait ...
Emanuele Pulvirenti, Richard Suphapol Diteesawat, Gaspare Pavei, Valentina Natalucci, Helmut Hauser, Alberto Minetti, Jonathan Rossiter   +6 more
wiley   +1 more source

Coverable Self‐Cleaning Glass via Abnormal Transport and Jump of Charged Particles

Advanced Science, EarlyView.
The abnormal reverse lateral transport behavior of charged particles is reported. The mechanism of transport and jump behaviors of charged particles is revealed. Furthermore, a transparent and simple self‐cleaning glass driven by the electric field is developed.
Meng Yang, Conglin Li, Wei Tang, Wenchao Gao, Weiguo Weng, Yingchun Wu, Yifan Wang, Chenghang Zheng, Xiang Gao   +8 more
wiley   +1 more source