Journal
JOURNAL OF MARINE SCIENCE AND ENGINEERING
Volume 9, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/jmse9060663
Keywords
marine engine; dual fuel; hybrid turbocharger; power management; efficiency; simulation
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The study presents the performance of a marine dual-fuel engine with an innovative hybrid turbocharger, comparing it with traditional turbocharging technology through numerical simulation. The hybrid turbocharger, combined with two distinct fuel types, results in substantial changes in engine control modes, leading to more flexible and efficient power management. The simulation analysis focuses on engine working data and overall energy conversion efficiency, highlighting the differences between the two turbocharging solutions.
The performance of a marine dual-fuel engine, equipped with an innovative hybrid turbocharger producing electric power to satisfy part of the ship's electric load, is presented by a simulation comparison with the traditional turbocharging technology. The two distinct fuel types, combined with the hybrid turbocharger, involve a substantial change in the engine control modes, resulting in more flexible and efficient power management. Therefore, the investigation requires a numerical analysis depending on the engine load variation, in both fuelling modes, to highlight different behaviours. In detail, a dual-fuel engine simulation model is validated for a particular application in order to perform a complete comparison, reported in tabular and graphical form, between the two examined turbocharging solutions. The simulation analysis is presented in terms of the engine working data and overall energy conversion efficiency.
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