Results 11 to 20 of about 632,931 (350)

Review of the hybrid gas - electric aircraft propulsion systems versus alternative systems

open access: yesProgress in Aerospace Sciences, 2023
Agata Kuśmierek   +2 more
semanticscholar   +3 more sources

Diversity of Physical Processes: Challenges and Opportunities for Space Electric Propulsion

open access: yesApplied Sciences, 2022
The renewed interest in space exploration has led to the growth in research efforts pertaining to advanced space propulsion systems, including highly efficient electric propulsion systems.
Igor Levchenko   +7 more
doaj   +1 more source

Overview of Propulsion Systems for Unmanned Aerial Vehicles

open access: yesEnergies, 2022
Unmanned Aerial Vehicle (UAV) propulsion technology is significantly related to the flight performance of UAVs, which has become one of the most important development directions of aviation.
Bowen Zhang   +3 more
doaj   +1 more source

A study on the development of job training curriculum for operation of electric propulsion ships

open access: yesJournal of International Maritime Safety, Environmental Affairs, and Shipping, 2022
In order to reduce the emission of pollutants from ships, the need to introduce eco-friendly ships is gradually increasing. Recently built ships are being applied with eco-friendly ship propulsion systems that can replace the existing propulsion systems.
Hyeonmin Jeon   +3 more
doaj   +1 more source

Battery Energy Storage Systems in Ships’ Hybrid/Electric Propulsion Systems

open access: yesEnergies, 2023
The shipping industry is going through a period of technology transition that aims to increase the use of carbon-neutral fuels. There is a significant trend of vessels being ordered with alternative fuel propulsion.
M. Kolodziejski, I. Michalska-Pożoga
semanticscholar   +1 more source

Life-Cycle CO2-Equivalent Emissions of Cars Driven by Conventional and Electric Propulsion Systems

open access: yesWorld Electric Vehicle Journal, 2022
As an important trend in the automotive industry, electrification of propulsion systems has potential to significantly reduce greenhouse-gas emissions of the transportation sector. Whereas electric vehicles do not produce exhaust emissions during driving,
M. Hirz, Thu Trang Nguyen
semanticscholar   +1 more source

Development of a Turbo Electric Distribution System for Remotely Piloted Aircraft Systems [PDF]

open access: yesJournal of Aerospace Technology and Management, 2021
Turboelectric distributed propulsion systems are paving the way for more electric aircraft systems (TeDP). This type of system provides a solution for some of the drawbacks of current low-energy-density batteries, which limit the ability of long ...
Mithun Eqbal   +3 more
doaj   +3 more sources

A Comparative Assessment of Hybrid Parallel, Series, and Full-Electric Propulsion Systems for Aircraft Application

open access: yesIEEE Access, 2022
This article presents a preliminary suitable sizing methodology for the design process of the powertrain architecture for a hybrid-electric propulsion system for ultra-light and general aviation aircraft.
E. Fornaro, M. Cardone, A. Dannier
semanticscholar   +1 more source

A Study of the Performance of Ship Diesel-Electric Propulsion Systems From an Environmental, Energy Efficiency, and Economic Perspective

open access: yesMarine Technology Society journal, 2022
Climate change and air pollution that are enormously impacted by ship emissions have become an intriguing issue, drawing consideration from the shipping industry.
A. Elkafas, M. Shouman
semanticscholar   +1 more source

Predictive Energy Management for Hybrid Electric Aircraft Propulsion Systems [PDF]

open access: yesIEEE Transactions on Control Systems Technology, 2021
We present a model predictive control (MPC) algorithm for energy management in aircraft with hybrid electric propulsion systems consisting of gas turbine and electric motor components. Series and parallel configurations are considered.
Martin Doff-Sotta, M. Cannon, M. Bacic
semanticscholar   +1 more source

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