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Strike mechanics of an ambush predator: the spearing mantis shrimp
It is found that spearing mantis shrimp struck more slowly and with longer durations than smashers, and that the very fastest predators are using speed to achieve other mechanical feats, such as producing large impact forces.
Burrow extension with a proboscis: mechanics of burrowing by the glycerid Hemipodus simplex
Tests on the polychaetes Nereis virens and Cirriformia moorei and the glycerid polychaete Hemipodus simplex illustrate that similar mechanisms of burrowing are used by morphologically different burrowers.
Oxygen transport in periodically ventilated polychaete burrows
It is shown that burrower ventilation behavior mediates the effects of temperature on sediment oxygen uptake, and seasonal changes in the volume of oxygenated sediment, as well as the pattern of oxygenation that sediment experiences, are expected to be significant while the total oxygen flux is expected to remain relatively uniform.
Biofilm fouling has a significant effect on ship performance. Here, the impact of biofilm fouling on boundary layer structure is investigated. Turbulent boundary layer measurements were performed
Roughness effects of diatomaceous slime fouling on turbulent boundary layer hydrodynamics
The impact of biofilm on boundary layer structure at a ship-relevant, low Reynolds number was investigated and suggests that biofilms increase drag due to high levels of momentum transport, likely resulting from protruding streamers and surface compliance.
Particle Image Velocimetry Measurements of the Flow over Barnacles in a Turbulent Boundary Layer
Barnacles are suspension-feeding crustaceans found in saline waters. These fouling organisms can grow on the hull of marine ships, thus having a significant impact on their performance. The presence