Results 21 to 30 of about 632,931 (350)
Electric Propulsion Methods for Small Satellites: A Review
Aerospace, 2021 Over 2500 active satellites are in orbit as of October 2020, with an increase of ~1000 smallsats in the past two years. Since 2012, over 1700 smallsats have been launched into orbit. It is projected that by 2025, there will be 1000 smallsats launched per
Dillon O’Reilly +2 more
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Conceptual design and comparison of hybrid electric propulsion systems for small aircraft
CEAS Aeronautical Journal, 2021 This paper presents a novel conceptual design method for electric and hybrid electric propulsion systems in small aircraft. The effects of key design parameters on the propulsion system performance are analyzed and the advantages and drawbacks of the ...
Jochen Köhler, P. Jeschke
semanticscholar +1 more source
Features of operation of ship electrical power systems with electrical propulsion systems
Известия высших учебных заведений: Проблемы энергетики, 2022 THE PURPOSE. Consider the issue of the presence of distortions in the form of sinusoidal voltage and current in autonomous electrical power systems with electrical propulsion systems, built on the principle of the unified electric power system.
A. E. Savenko, P. S. Savenko
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Energies, 2020 The article presents issues related to the possibility of using electric propulsion systems in units used to transport crews servicing wind towers at sea. Offshore wind energy issues are discussed.
Andrzej Łebkowski
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A Review of Low-Power Electric Propulsion Research at the Space Propulsion Centre Singapore
Aerospace, 2020 The age of space electric propulsion arrived and found the space exploration endeavors at a paradigm shift in the context of new space. Mega-constellations of small satellites on low-Earth orbit (LEO) are proposed by many emerging commercial actors ...
George-Cristian Potrivitu +6 more
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Journal of Marine Science and Engineering, 2021 In recent decades, the design of ship propulsion systems has been focusing on energy efficiency and low pollutant emissions. In this framework, diesel–electric propulsion has become a standard for many ship types and has proven its worth for flexible ...
Raphael Zaccone +2 more
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Artificial three-body equilibria for hybrid low-thrust propulsion [PDF]
, 2008 This paper proposes a new concept of creating artificial equilibrium points in the circular restricted three body problem, where the third body uses a hybrid of solar sail and solar electric propulsion.
Baig, Shahid, McInnes, Colin R.
core +1 more source
Prospects for the use of hydrogen technologies in commercial civil aviation [PDF]
Przegląd Komunikacyjny, 2023 : The use of hydrogen technologies is the most effective way to decarbonise long- haul transport - including commercial aviation. Two leading technical solutions introducing hydrogen into the propulsion systems of civil airliners are the use of fuel ...
Jacek Nowicki
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Conceptual design of small aircraft with hybrid-electric propulsion systems
, 2020 Stakeholders envision the introduction of electric and hybrid-electric aircraft into operation by 2035. First developments of such aircraft have demonstrated that the existing technologies do not allow realization of hybrid-electric aircraft matching the
Dávid Sziroczák +3 more
semanticscholar +1 more source
Propulsion Drive Models for Full Electric Marine Propulsion Systems [PDF]
2007 IEEE International Electric Machines & Drives Conference, 2007 Integrated full electric propulsion systems are being introduced across both civil and military marine sectors. Standard power system analysis packages cover electrical and electromagnetic components but have limited models of mechanical subsystems and their controllers.
Apsley, JM +9 more
openaire +5 more sources