Results 1 to 10 of about 632,931 (350)

Evaluation of the environmental and economic impacts of electric propulsion systems onboard ships: case study passenger vessel. [PDF]

open access: yesEnviron Sci Pollut Res Int, 2021
The International Maritime Organization (IMO) announced that maritime transport share by 2.89% in global greenhouse gases. Electric propulsion system appears as a promising option for reducing ship emissions, especially for high-powered vessels.
Ammar NR, Seddiek IS.
europepmc   +2 more sources

Evaluation and Comparison of Hybrid Wing VTOL UAV with Four Different Electric Propulsion Systems

open access: yesAerospace, 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   +2 more sources

Recent progress and perspectives of space electric propulsion systems based on smart nanomaterials. [PDF]

open access: yesNat Commun, 2018
Drastic miniaturization of electronics and ingression of next-generation nanomaterials into space technology have provoked a renaissance in interplanetary flights and near-Earth space exploration using small unmanned satellites and systems.
Levchenko I   +5 more
europepmc   +2 more sources

Development of a Marine LPG-Fueled High-Speed Engine for Electric Propulsion Systems

open access: yesJournal of Marine Science and Engineering, 2022
As regulations on emissions from ships become stricter worldwide, new propulsion systems and the use of eco-friendly fuel are being introduced as alternative solutions.
Kang Woo Chun, Myongho Kim, Jae-Jung Hur
doaj   +2 more sources

Comprehensive Design of DC Shipboard Power Systems for Pure Electric Propulsion Ship Based on Battery Energy Storage System

open access: yesEnergies, 2021
With the strengthening of international environmental regulations, many studies on the integrated electric propulsion systems applicable to eco-friendly ship are being conducted.
Ye-Rin Kim   +5 more
doaj   +2 more sources

Validation of a Test Platform to Qualify Miniaturized Electric Propulsion Systems

open access: yesAerospace, 2019
Miniaturized electric propulsion systems are one of the main technologies that could increase interest in CubeSats for future space missions. However, the integration of miniaturized propulsion systems in modern CubeSat platforms presents some issues due
Fabrizio Stesina
doaj   +2 more sources

Comparative Analysis on AC and DC Distribution Systems for Electric Propulsion Ship

open access: yesJournal of Marine Science and Engineering, 2022
Decarbonization is an ongoing issue in the shipping industry, and electric propulsion systems are being proposed as alternative solutions to satisfy this requirement.
Seongwan Kim, Hyeonmin Jeon
doaj   +2 more sources

An Energy Efficiency Optimization Method for Fixed Pitch Propeller Electric Aircraft Propulsion Systems

open access: yesIEEE Access, 2019
As a key component of electric aircrafts, electric propulsion systems provide sufficient thrust for electric aircrafts. By improving its efficiency, the power consumed by the electric propulsion system can be reduced.
Shuli Wang, Shuo Zhang, Shaohua Ma
doaj   +2 more sources

Diagnostics for electric propulsion systems

open access: yesEPJ Techniques and Instrumentation, 2023
Holger Kersten
doaj   +2 more sources

An Intelligent Energy Management Framework for Hybrid-Electric Propulsion Systems Using Deep Reinforcement Learning [PDF]

open access: yesInternational journal of hydrogen energy, 2021
Hybrid-electric propulsion systems powered by clean energy derived from renewable sources offer a promising approach to decarbonise the world's transportation systems. Effective energy management systems are critical for such systems to achieve optimised
Peng Wu   +4 more
semanticscholar   +1 more source

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