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Catamarans are widely used in marine transport due to their advantages in stability and speed. However, their hydrodynamic performance is affected by the interaction between the two hulls, which creates complex interference phenomena influencing resistance and fuel consumption. Understanding and quantifying these interference effects is essential for optimizing catamaran, a key factor not only for operational efficiency and emissions reduction but also for achieving climate-resilient, energy-efficient marine trans...

The roughness of a ship-s hull can have a significant impact on the environment, primarily through its effect on the ship-s fuel consumption and, consequently, carbon emissions. The resistance a ship encounters as it moves through the water can be broadly categorized into two main types: frictional resistance and wave-making resistance. Hull roughness increases frictional resistance, also known as skin friction resistance. This resistence component is a major aspect of the total resistance of a merchant ship, lead...