The research on the dynamics analysis-based energy-saving technology is significant to
reduce ship energy consumption and greenhouse gas emissions. The adoption of dynamics …

Water-soluble polymers with high molecular weights are known to decrease the frictional
drag in turbulent flow very effectively at concentrations of tens or hundreds of ppm. This drag …

A variety of skin-friction drag reduction (FDR) methods for turbulent boundary layer (TBL)
flows are reviewed. Both passive and active methods of drag reduction are discussed, along …

Considering the problem of corrosion and organisms fouling encountered by marine vessels
during navigation. Acrylic acid modified graphene oxide (AGO)/acrylate composites were …

Adding a small amount of polymers can achieve significant drag reduction effects. However,
for external flows, the common homogeneous mixing and diffusing injection methods are not …

The secreting drag reduction mucus in fish epiderm inspires the manufacturing of five gelatin–
polysaccharide drag reduction coatings. First, a mixed solution composed of the gelatin and …

The mean wall shear stress, τ _w τ¯ w, is a fundamental variable for characterizing turbulent
boundary layers. Ideally, τ _w τ¯ w is measured by a direct means and the use of floating …

Polymer drag reduction (DR) remains challenging for marine applications due to the
difficulties in introducing the polymer drag-reducer into external flows. We developed a …

Frictional drag reduction (DR) can lead to substantial fuel savings in marine vehicle
propulsion. The application of polymer coatings on vehicle surfaces has been found to assist …

Density functional theory calculations were performed to explain the decomposition
mechanisms of selected self-polishing copolymer (SPC) molecules like tributyltin (TBT), zinc …