Zobrazeno 1 - 10
of 201
pro vyhledávání: '"Zhaoyong Mao"'
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 8, p 1336 (2024)
Efficiency has always been one of the most critical indicators for evaluating wireless power transfer (WPT) systems. To achieve fast maximum energy efficiency tracking (MEET), this paper provides an innovative control method utilizing the hill climbi
Externí odkaz:
https://doaj.org/article/6fe1d31988a846a89c54f54fa0dcd8c7
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 6, p 1020 (2024)
Subject to an autonomous underwater vehicle (AUV) with rigorously limited space and weight, the high-power-density propulsion motor urgently needs an efficient cooling method to improve reliability and stability. In this paper, a cooling improvement
Externí odkaz:
https://doaj.org/article/060cf06e6d5d4e399203e6df5f650531
Publikováno v:
IET Electric Power Applications, Vol 17, Iss 6, Pp 879-891 (2023)
Abstract This paper proposes a dependent optimisation (DO) method for the dual‐contra‐rotating motor to improve the full‐cycle efficiency and increase the space utilizstion rate of the autonomous underwater vehicle (AUV). Particularly, using th
Externí odkaz:
https://doaj.org/article/84ee55df1c994a86870546d2a76f3417
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 7488-7499 (2022)
Some recent studies show that the aerodynamic efficiency of the Savonius wind turbine can be improved by adding a properly designed deflector upstream of the rotor blade. However, these deflector designs can only improve the turbine efficiency in spe
Externí odkaz:
https://doaj.org/article/65174346b53e4dc09685d93905d77651
Publikováno v:
Energies, Vol 16, Iss 23, p 7855 (2023)
In this article, an Adaptive Hamiltonian-Based Energy Control (AHBEC) with a built-in integrator is introduced for the Proton-Exchange Membrane Fuel Cell (PEMFC) hybrid power-conversion system. The presented additional built-in integrator is based on
Externí odkaz:
https://doaj.org/article/5120d4d9e760406d955f20da5caf57bf
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 11, p 2188 (2023)
Gurney flaps can enhance the hydrodynamic efficiency of airfoils, and they are currently used in several applications, including racing cars and wind turbines. However, there is a lack of studies in the literature on the application of Gurney flaps o
Externí odkaz:
https://doaj.org/article/a38aeda347724f09a25f813e79525325
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 11, p 2042 (2023)
Underwater vehicles have been widely used in marine exploration and development. A contra-rotating propeller (CRP) can improve propulsion efficiency, eliminate the roll moment of the propeller acting on underwater vehicles, and significantly improve
Externí odkaz:
https://doaj.org/article/464fd62efbe447eba97755c8fd5725ed
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 11, p 2088 (2023)
This study investigates the effectiveness of UUV formations during navigation to designated target areas. The research focuses on propeller-equipped UUVs and employs a computational fluid dynamics (CFD) methodology to analyze the hydrodynamic interac
Externí odkaz:
https://doaj.org/article/2f8f219b66f349adbfb375858abbb280
Publikováno v:
Photonics, Vol 10, Iss 10, p 1176 (2023)
Satellite laser communication is a promising technology for the next-generation communication system. Its communication performance is subject to the APT beam-pointing accuracy. One of the most important problems is reducing the coaxiality error befo
Externí odkaz:
https://doaj.org/article/79a06fcf83074c02bb3587f8ce96f590
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 8, p 1545 (2023)
The horizontal axis tidal turbine (HATT) is a device that harnesses the energy of ocean currents and converts it into electrical energy. The blade plays a crucial role in the efficiency of power generation in HATTs. This study focuses on the use of s
Externí odkaz:
https://doaj.org/article/494f9d40058e42339664fb92e45fd195