Results 11 to 20 of about 5,321 (215)
This paper proposed a multi-objective, multi-disciplinary design optimization and multi-attribute evaluation method for the manned lunar lander descent stage.
Yang Liu +5 more
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Optimization and Analysis of Hybrid Electric System for Distributed Propulsion Tilt-Wing UAV
Hybrid electric distributed propulsion tilt-wing UAVs show unlimited application prospects due to their high propulsion efficiency and vertical take-off and landing capabilities.
Cheng He, Yuhong Jia, Dongli Ma
doaj +1 more source
In order to develop a methodological apparatus for assessing various stages of the life cycle of hybrid/electric propulsion units, the existing approaches to estimating the costs of developing, manufacturing and operating aircraft engines of the ...
A. R. Polyakov +5 more
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ObjectivesFor the economic and environmental requirements of polar ice-breakers, a hybrid propulsion system composed of diesel generator sets and a rechargeable battery is proposed.
Wenlong DU, Fengxiang GUO, Li CHEN
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Design of Batteries for a Hybrid Propulsion System of a Training Aircraft
In this article, we propose the parameters of a battery that would be suitable for the conceptual design of a small training aircraft. The mass design of the battery is based on the requirements for real training flights performed by students in pilot ...
Michal Janovec +3 more
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Energy Saving Potential of Hybrid Propulsion System for Fishing Vessels in Indonesia [PDF]
Indonesia, as the largest archipelagic country in the world, has a fishing vessel fleet dominated by conventional diesel engine-based propulsion systems.
Ma’arif Samsul +2 more
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Techno-economic investigation of alternative propulsion systems for tugboats
In this paper, the main alternative propulsion systems based on internal combustion engines and batteries of a tugboat operating in harbour duties of the tugboat that include Emission Control areas are comparatively assessed.
Ömer Emre Karaçay +1 more
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Analysis Leading to the Design of a Hybrid Gas-Electric Multi-Engine Testbed
Given the increase in air traffic, the main challenges in aircraft design are in-flight emissions and noise heard by the community. These problems have thus far been solved by incremental improvements in aerodynamics, engine technology and operation.
Agata Kuśmierek +3 more
doaj +1 more source
Analysis of Key Technologies for New Green Marine Propulsion Systems [PDF]
The new green Marine propulsion system, as a new generation of marine propulsion, has advantages of strong mobility, low fuel consumption, low noise, safety and comfort.
Duan Zheng +3 more
doaj +1 more source
Experimental Research on the Energy Efficiency of a Parallel Hybrid Drive for an Inland Ship
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

