Results 1 to 10 of about 73,378 (313)

Experimental Research on the Energy Efficiency of a Parallel Hybrid Drive for an Inland Ship

open access: yesEnergies, 2019
The growing requirements for limiting the negative impact of all modes of transport on the natural environment mean that clean technologies are becoming more and more important.
Wojciech Litwin   +3 more
doaj   +1 more source

SUPERCHARGED ENGINE USING TURBINE STANDALONE EXHAUST GAS RECUPERATION SYSTEM

open access: yesBrodogradnja, 2017
This paper presents a new hybrid concept that increases the overall efficiency of the propulsion system on ships. The hybrid concept of the marine propulsion system was examined in 1D CFD internal combustion engine model where the turbine and compressor ...
Nikola Matulić   +2 more
doaj   +1 more source

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.
Enrico Fornaro   +2 more
doaj   +1 more source

Aircraft electric power plants

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
The paper presents a review of electrification of the existing propulsion systems and creating new hybrid propulsion systems based on the concept of more electric aircraft and all-electric aircraft in Russia and abroad.
A. D. Kondryakov, M. K. Leontiev
doaj   +1 more source

Energy efficiency research of propulsion system for series-parallel hybridization of amphibious vehicles

open access: yesHeliyon
The series-parallel hybrid system has attracted much attention from scholars for its effective integration of the power advantages and operating characteristics of different power sources, which is influenced by international emission regulations, energy-
Xiaojun Sun, Fengmei Xin, Kun Gao
doaj   +1 more source

A Back–Forward Approach-Based Efficiency Performance Analysis Model for Hybrid Electric Propulsion Ships Using the Holtrop–Mennen Method

open access: yesJournal of Marine Science and Engineering, 2023
Due to tightening regulations on exhaust emissions from ships, there is a growing need to develop electric or hybrid electric propulsion systems to replace conventional diesel-based ship power systems.
Soon Ho Hong, Dong Min Kim, Sun Je Kim
doaj   +1 more source

Drone Electric Propulsion System with Hybrid Power Source

open access: yesDrones
Unmanned aerial vehicles, known today as drones, in the beginning, were small-dimension research models powered by small electric motors fed from electrical batteries.
Jenica-Ileana Corcau   +3 more
doaj   +1 more source

Design Tradeoffs in Full Electric, Hybrid and Full Chemical Propulsion Communication Satellite

open access: yesSakarya University Journal of Computer and Information Sciences, 2019
Full electric propulsion system becomes popular recently and getting more common in the communication satellite industry. Full electric or hybrid propulsion selection causes results in significant reduction in satellite propellant mass. Conventional full
Ü.cezmi Yılmaz, İbrahim Oz
doaj   +1 more source

Analytical, circle-to-circle low-thrust transfer trajectories with plane change [PDF]

open access: yes, 2013
Orbit averaging techniques are used to develop analytical approximations of circle-to-circle low-thrust trajectory transfers with plane-change about the Sun.
Appourchaux T.   +5 more
core   +1 more source

Smart Design: Application of an Automatic New Methodology for the Energy Assessment and Redesign of Hybrid Electric Vehicle Mechanical Components

open access: yesVehicles, 2022
This work aimed to develop an automatic new methodology based on establishing if a mechanical component, designed for a conventional propulsion system, is also suitable for hybrid electric propulsion.
Umberto Previti   +3 more
doaj   +1 more source

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