Results 61 to 70 of about 13,027 (181)

Electric power system concepts for integration of advanced sensor and pulsed loads in the DDG-51 class ships [PDF]

Advanced weapons and sensors increase demand on the electric power systems of Navy surface combatants, driving the need for fully Integrated Power Systems (IPS) such as those found in the DDG-1000 Zumwalt class of ships.
Gattozzi, A.L., Gully, B., Herbst, J.D., Jackson, J.R., Pish, S.P.   +4 more
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Optimization design of hybrid energy storage capacity configuration for electric ship

Energy Reports
Electric propulsion has gained significant popularity in the marine vessel industry due to its numerous advantages. One of the key challenges faced in this domain is effectively managing the fluctuation of power grid caused by sudden load changes.
Yi Li, Xueqiang Liu, Yuanhao Zhao, Taishan He, Hong Zeng   +4 more
doaj   +1 more source

Feasibility study on manganese nodules recovery in the Clarion-Clipperton Zone

, 2012
The sea occupies three quarters of the area on the earth and provides various kinds of resources to mankind in the form of minerals, food, medicines and even energy.
Agarwal, Baivau, Hu, Pan, Placidi, Marco, Santo, Harrif, Zhou, Jenny Jin   +4 more
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Modeling of Energy Management System for Fully Autonomous Vessels with Hybrid Renewable Energy Systems Using Nonlinear Model Predictive Control via Grey Wolf Optimization Algorithm

Journal of Marine Science and Engineering
This study presents a multi-objective predictive energy management system (EMS) for optimizing hybrid renewable energy systems (HRES) in autonomous marine vessels.
Harriet Laryea, Andrea Schiffauerova
doaj   +1 more source

End to End Optimization of a Mars Hybrid Transportation Architecture [PDF]

NASAs Mars Study Capability Team (MSCT) is developing a reusable Mars hybrid transportation architecture in which both chemical and solar electric propulsion systems are used in a single vehicle design to send crew and cargo to Mars.
Chai, Patrick, Merrill, Raymond G., Qu, Min   +2 more
core   +1 more source

Multilevel Converters: An Enabling Technology for High-Power Applications [PDF]

, 2009
| Multilevel converters are considered today as the state-of-the-art power-conversion systems for high-power and power-quality demanding applications.
García Franquelo, Leopoldo, Kouro, Samir, León Galván, José Ignacio, Martín Prats, María de los Ángeles, Portillo Guisado, Ramón Carlos, Pérez, Marcelo, Rodríguez, José   +6 more
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Dynamic Load and Storage Integration [PDF]

Modern technology combined with the desire to minimize the size and weight of a ship’s power system are leading to renewed interest in more electric or all electric ships.
Davey, K., Hahne, J., Hall, D., Hebner, R. E., Herbst, J., Ouroua, A., Surls, D.   +6 more
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New applications for phosphoric acid fuel cells [PDF]

New applications for phosphoric acid fuel cells were identified and evaluated. Candidates considered included all possibilities except grid connected electric utility applications, on site total energy systems, industrial cogeneration, opportunistic use ...
Breuer, C. T., Stickles, R. P.
core   +1 more source

Hybrid low-thrust transfers to eight-shaped orbits for polar observation [PDF]

, 2012
In this paper, transfers from low Earth orbit (LEO) to so-called eight-shaped orbits at the collinear libration points in the circular restricted three-body problem are investigated.
Ceriotti, Matteo, Heiligers, Jeannette, McInnes, Colin   +2 more
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Energy efficiency assessment based on IMO indices for LNG dual-fuel engine based electric propulsion coastal passenger ship

Energy Conversion and Management: X
This study evaluates the energy efficiency of an LNG dual-fuel (DF) engine-based electric propulsion coastal passenger ship using high-resolution onboard operational data.
Daehyuk Kim, Shin Hyung Rhee, Kiyoune Kwon, Jung Il Lee, Donghwan Sung, Hyunjun Yang, Suk Won Cha, Hana Lee, Changwook Lee, Hyunchul Park   +9 more
doaj   +1 more source