Zobrazeno 1 - 10
of 148
pro vyhledávání: '"DaeJun Chang"'
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 9, p 1687 (2024)
Error in Figure [...]
Externí odkaz:
https://doaj.org/article/af05f093791f47e5a0b181b17c57191b
Publikováno v:
Energies, Vol 17, Iss 17, p 4415 (2024)
To achieve net-zero objectives, the expansion of renewable energy sources is anticipated to be accompanied by an increased use of carbon-free fuels, such as hydrogen. Internationally, there are proposals for transporting hydrogen by synthesizing it i
Externí odkaz:
https://doaj.org/article/73e946f953d449088dd6a6232b97e26a
Autor:
Wongwan Jung, Daejun Chang
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 3, p 484 (2024)
In the original publication [...]
Externí odkaz:
https://doaj.org/article/6e00dae4897e4a428cf23e0c79979434
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 11, p 2157 (2023)
This study introduced the methodology for integrating ethylene glycol/water mixture (GW) systems which supply heat energy to the liquid hydrogen (LH2) fuel gas supply system (FGSS), and manage the temperature conditions of the battery system. All sys
Externí odkaz:
https://doaj.org/article/8ed0646becd04a92baa140c9b3fc31fd
Autor:
Wongwan Jung, Daejun Chang
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 10, p 2007 (2023)
This study proposed a deep reinforcement learning-based energy management strategy (DRL-EMS) that can be applied to a hybrid electric ship propulsion system (HSPS) integrating liquid hydrogen (LH2) fuel gas supply system (FGSS), proton-exchange membr
Externí odkaz:
https://doaj.org/article/e0b7007011be42448641509369a2c4f7
Publikováno v:
International Journal of Naval Architecture and Ocean Engineering, Vol 13, Iss , Pp 674-690 (2021)
This study proposes a hybrid marine power system combining dual-fuel generators, a fuel cell, and Vanadium Redox Flow Batteries (VRFB). Rigorous verification and validation of the dynamic modelling and integration of the system are conducted. A case
Externí odkaz:
https://doaj.org/article/12f9b582812f40bbbb48121175f90cd0
Publikováno v:
International Journal of Naval Architecture and Ocean Engineering, Vol 11, Iss 1, Pp 11-21 (2019)
In product design, the initial design stage is being increasingly emphasized because it significantly influences the successive product development and production stages. However, for larger and more complex products, it is very difficult to accurate
Externí odkaz:
https://doaj.org/article/ac46dbd62fe54d22b4456f36ad8d7e80
Publikováno v:
Mathematics, Vol 9, Iss 13, p 1544 (2021)
In this study, the structural reliability of plate-stiffened prismatic pressure vessels was analyzed over time. A reliability analysis was performed using a time-dependent structural reliability method based on the response surface method (RSM). The
Externí odkaz:
https://doaj.org/article/caadf0f54af7406a9e4244c2e10e21c0
Publikováno v:
Energies, Vol 14, Iss 15, p 4566 (2021)
This study analyzes the thermodynamic, economic, and regulatory aspects of boil-off hydrogen (BOH) in liquid hydrogen (LH2) carriers that can be re-liquefied using a proposed re-liquefaction system or used as fuel in a fuel cell stack. Five LH2 carri
Externí odkaz:
https://doaj.org/article/583cc640650046099d4005bb0988cb6c
Publikováno v:
Energies, Vol 14, Iss 2, p 272 (2021)
Liquid air can be employed as a carrier of cold energy obtained from liquefied natural gas (LNG) and surplus electricity. This study evaluates the potential of liquid air as a distributed source with a supply chain for a cold storage system using liq
Externí odkaz:
https://doaj.org/article/054467fb5e4f44e88b1a580bbe2b601b