Size a gas/liquid orifice plate using ISO5167 (2003) and Crane's Flow of Fluids through Valves, Fittings and Pipes, calculate the mass flow rate require for a certain orifice size and plot a profile chart of various mass flow rates vs orifice size.
Integrate ports, live AIS, ship specifications, companies directory & contacts,marine weather, usual sailling tools, communication system with shipping business management on the world map, that innovate your working way of shipping.