Biogeochemical cycles of carbon transformation throughout the euphotic zone sea are controlled by physical processes, e.g., daily thermocline, variation in solar irradiance, thermohaline convection, and intermittent mixing. These processes should be regularly observed with sufficient time resolution at fixed geographical locations. This study provides a brief overview observational site Northea...

As a typical multi-hull ship, the pentamaran has wider deck, higher damage stability, and low-speed seaworthiness in harsh sea conditions compared with other types such as catamaran trimaran, having more potential for becoming new type of freight merchant ship line development trend marine economy. In this paper, on basis finite volume method, numerical simulations detailed comparative analysis...

There are different methods to reduce drag in high speed hulls. One of these methods is a change in the shape of the body by adding longitudinal side tunnels. In this paper it has been attempted to determine the influence of the tunnel height on hydrodynamic characteristics of the hull to achieving an optimum shape for the tunnel. To achieve this purpose, numerical simulation of the problem has...