Abstract
The backbone of global trade is now the maritime sector. In response to worries about global warming, a thorough analysis of ship greenhouse gas emissions (GHG) has been conducted recently. The International Maritime Organization (IMO) claims that trim optimization is an economical way to lower greenhouse gas emissions while increasing the economic efficiency of ships. This study uses computational fluid dynamics to optimize trim in low-speed situations on the KVLCC2 tanker model based on how trim affects propulsion and viscous resistance factors (CFD). This was achieved by simulating the double-body, resistance, and self-propulsion tests in two Froude numbers less than 0.15. The results validated with the available experimental data showed excellent agreement. Based on the analysis, 0.2° trim by bow decreased the total resistance, decreased propeller thrust, and enhanced hydrodynamic propulsive efficiency.
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