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Tae-Youl Jeon and Byung-Gun Jung
Since the variable-speed seawater pump and the three-way valve of a ship?s central cooling system are forms of feedback from the same output signal, these controllers may cause interference when they are not coordinated. Therefore, studying an efficient ...
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Tae-Youl Jeon, Chang-Min Lee and Jae-Jung Hur
Large ships adopt a central fresh water-cooling system that indirectly cools waste heat with seawater to discharge the ship's waste heat out of the ship. Such a central fresh water-cooling system is essential for future electric powered ships. Since 2010...
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Chang-Min Lee, Tae-Youl Jeon, Byung-Gun Jung and Young-Chan Lee
Since fuel prices account for approximately 40% of a ship?s operating costs, shipping companies worldwide have made significant efforts to save energy on board such as introducing new technologies or machine operation methods. Many ship operators have ad...
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Deog-Jae Hur, Suk-Hwan Jeong, Seong-Il Song and Jung-Hun Noh
The onboard charger (OBC)/low-voltage DC-DC converter (LDC) integrated power inverter for electric vehicles comprises multiple electrical elements that can heat up, which can cause performance degradation and system instability issues in electric vehicle...
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Agus Nugroho
Now adays the need for saving fuel consumption has been a central issue in the field of energy , as well as in the field of automotive demand for exterior and interior design of the aerodynamics , compact dimensions and fuel consumption saving in a...
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