Results 21 to 30 of about 4,969 (265)
Aerospace, 2023 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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Hybrid Electric Propulsion [PDF]
Mechanical Engineering, 2020 Abstract Electrified propulsion holds the promise of reducing aviation’s CO2 emissions footprint through three means: access to green grid electric energy, improvements in aircraft performance through new airframe and propulsion system architectures and enabling further optimization of the gas turbine cycle.
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Optimization and Analysis of Hybrid Electric System for Distributed Propulsion Tilt-Wing UAV
IEEE Access, 2020 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
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Вестник университета, 2023 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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Zhongguo Jianchuan Yanjiu, 2021 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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Overview on hybrid propulsion [PDF]
Progress in Propulsion Physics, 2011 Aside of research works, this historical survey shows propulsion units used by students for small satellites and for gas generation, or those for the Space Ship One, even if LOx/HTPB was studied and tested in large motors for its potential very low cost; however, this combination highlights a series of technical problems without any performance ...
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Design of Batteries for a Hybrid Propulsion System of a Training Aircraft
Energies, 2021 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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Techno-economic investigation of alternative propulsion systems for tugboats
Energy Conversion and Management: X, 2021 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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Energy Saving Potential of Hybrid Propulsion System for Fishing Vessels in Indonesia [PDF]
E3S Web of ConferencesIndonesia, 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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Challenges of Ablatively Cooled Hybrid Rockets for Satellites or Upper Stages
Aerospace, 2021 Ablative-cooled hybrid rockets could potentially combine a similar versatility of a liquid propulsion system with a much simplified architecture. These characteristics make this kind of propulsion attractive, among others, for applications such as ...
Francesco Barato
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